Relevant bibliographies by topics / Primary Deposits

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Primary Deposits'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Primary Deposits"

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Arenque, L. A., J. A. Gabo-Ratio, B. D. Payot, J. T. Guzman, and K. Yonezu. "Mineralogy and geochemistry of the Paranas karst bauxite deposit of Samar Island, Philippines." IOP Conference Series: Earth and Environmental Science 1517, no. 1 (2025): 012040. https://doi.org/10.1088/1755-1315/1517/1/012040.

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Abstract Bauxite deposits form due to the intense weathering of alumino-silicate-rich rocks in regions with tropical to humid climates. Bauxite deposits are being extracted for their economic significance as primary sources of aluminum and have recently been investigated for their enrichment in Rare Earth Elements (REE). In the Philippines, the bauxite deposit in Paranas in Samar Island is one of the most extensive deposits within the Samar Bauxite Mineral Reservation. The Paranas karst bauxite deposit is directly deposited in the depressions of the limestone in the study area. Compared to oth
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JZ Yin. "Temporal and spatial distribution and genesis of primary indium deposits around the world." Naturalis Scientias 01, no. 02 (2024): 167–80. http://dx.doi.org/10.62252/nss.2024.1012.

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Because rare dispersed elements including indium play an increasingly extensive and indispensable role in the field of modern high technology, the exploration, development and research of its resources are in full swing. The abundance of indium in the earth's crust is extremely low, and its original independent deposits have not been found so far. Indium is mainly parasitic in bulk non-ferrous metal deposits in the form of associated by-products. Because of its origin, the genetic types of indium deposits are as diverse as those non-ferrous metal deposits it parasitizes. The distribution of in
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Lopes, Adriana Araújo Castro, and Márcia Abrahão Moura. "The Tocantinzinho Paleoproterozoic Porphyry-Style Gold Deposit, Tapajós Mineral Province (Brazil): Geology, Petrology and Fluid Inclusion Evidence for Ore-Forming Processes." Minerals 9, no. 1 (2019): 29. http://dx.doi.org/10.3390/min9010029.

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The Tocantinzinho gold deposit, located in the Tapajós Mineral Province, Amazonia, Brazil, is considered the largest gold deposit in the region. It is a stockwork-disseminated gold deposit, hosted in a 1982 ± 8 Ma hydrothermalized monzogranite of the Creporizão Intrusive Suite, with petrographic and geochemical characteristics of volcanic arc to post-collisional granites. Gold is mainly associated with phyllic alteration. Primary fluid inclusions trapped in the mineralization stages are H2O–NaCl and unsaturated and homogenize either to the vapor or to the liquid with Th(t) of 300–430 °C, salin
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Ozdemir, Ugur, Mustafa Sozeri, Tayfun Findik, and Volkan Kilicli. "Effect of buttering on the wear behavior of the SMA welded hardfacing layer in a low-carbon steel." Materials Testing 65, no. 4 (2023): 494–504. http://dx.doi.org/10.1515/mt-2022-0438.

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Abstract In this study, the effect of the buttering layer (18.5% Cr + 9% Ni) and the chemical composition of the hardfacing filler materials on the microstructure and wear behavior of the structural steel (S355JR) was investigated. The chromium-based hardfacing alloys deposited by shielded metal arc welding (SMAW) have also been investigated to establish the relationship between microstructures and wear properties. The microstructure of hardfacing deposits has been examined by using scanning electron microscopy (SEM) and X-ray diffraction (XRD) analysis. A linear reciprocating abrasive wear te
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HISTON, KATHLEEN. "Primary deposits in nautiloid cephalopods." Lethaia 26, no. 2 (1993): 179–81. http://dx.doi.org/10.1111/j.1502-3931.1993.tb01811.x.

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Kaminsky, Felix V., A. A. Feldman, V. A. Varlamov, et al. "Prognostication of primary diamond deposits." Journal of Geochemical Exploration 53, no. 1-3 (1995): 167–82. http://dx.doi.org/10.1016/0375-6742(94)00019-8.

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Bertau, Martin, and Gunther Martin. "Integrated Direct Carbonation Process for Lithium Recovery from Primary and Secondary Resources." Materials Science Forum 959 (June 2019): 69–73. http://dx.doi.org/10.4028/www.scientific.net/msf.959.69.

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In view of the increasing demand for lithium and the unequal distribution of lithium deposits worldwide, local deposits such as the zinnwaldite deposit at Zinnwald/Cínovec are increasingly coming into focus. It could be shown that especially the direct carbonation process with supercritical CO2 represents a promising approach for a technical implementation due to the low chemical consumption as well as the high selectivity for lithium. Moreover, besides primary ore (zinnwaldite), the method is also suitable for recovering lithium carbonate from black mass, the lithium-containing fraction from
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Yin, Jian Zhao. "Geology of the Primary Selenium Deposits in Mainland China." Naturalis Scientias 02, no. 01 (2025): 364–76. https://doi.org/10.62252/nss.2025.1025.

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Selenium deposits in mainland China are distributed across various tectonic units, including the North China Platform, Yangtze Platform, South China Geosyncline, Qinghai-Tibet Plateau, Tarim Terrane, and Tianshan and Qilianshan tectonic belts. These deposits exhibit a diverse geological background, with varying genetic types and geochemical properties. China's selenium deposits include both independent and associated/symbiotic deposits. They are classified into sedimentary, magmatic, skarn, hydrothermal, and volcanic types. Selenium deposits in the Yangtze Platform are mostly sedimentary, whil
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Li, Jinwei, Lichuan Pan, Yitong Guo, and Shunfu Lu. "Multi-Isotopic Compositions of Ores from the Shizishan Cu–Au–Mo Orefield in the Tongling Region, Eastern China: Implications for Ore Genesis." Minerals 13, no. 7 (2023): 985. http://dx.doi.org/10.3390/min13070985.

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The Middle–Lower Yangtze Metallogenic Belt (MLYMB) hosts abundant porphyry–skarn–stratabound-type Cu–Au–Mo deposits. Despite extensive research, the origin of the stratabound-type deposits, which developed at the unconformity interface between the Devonian and Carboniferous strata in the MLYMB, remains controversial. The primary debate centers on whether these deposits are the result of Carboniferous sedimentary exhalative mineralization or Mesozoic magmatic–hydrothermal mineralization. In this paper, we examine three representative deposits in the Shizishan orefield: the Chaoshan skarn-type A
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Jeon, Soon-Hyeok, Hee-Sang Shim, Ji-Min Lee, Jeoh Han, and Do Haeng Hur. "Simulation of Porous Magnetite Deposits on Steam Generator Tubes in Circulating Water at 270 °C." Crystals 10, no. 9 (2020): 729. http://dx.doi.org/10.3390/cryst10090729.

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In the secondary side of pressurized water reactors (PWRs), the main corrosion product accumulated on the steam generator (SG) tubes is magnetite, which has a porous structure. The purpose of this work is to simulate the porous magnetite deposited to the SG tubes using a loop system. We newly developed a circulating loop system for a porous magnetite deposition test. A test section was designed as a single hydraulic flow channel, and a cartridge heater was fabricated and mounted into a commercial SG tube to provide an equal heating source for the primary water. After the deposition test, the s
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Dissertations / Theses on the topic "Primary Deposits"

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Hannon, Camille. "Geotectonic controls on primary diamond deposits : a review of exploration criteria." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1007810.

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The origin of diamonds, their preservation and transport to the surface have been important issues over the last decades after the acknowledgement that diamonds are xenocrysts in the host kimberlites and after the discovery of new transport media such as lamproites. Different types of diamonds -E-type diamonds, P-type diamonds- and different types of hosts - Eclogites, Peridotites- have been distinguished. Each type corresponds to particular formation criteria. Ecogitic Diamonds are mostly related to subduction processes, whereas more uncertainties remain regarding the formation of Peridotitic
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Epp, Tatjana [Verfasser], and Gregor [Akademischer Betreuer] Markl. "Halogen (F, Cl, Br, I) cycling in the critical zone : Formation of primary ore deposits, their supergene weathering and the fate of halogens in soil and along the hydrological flow path / Tatjana Epp ; Betreuer: Gregor Markl." Tübingen : Universitätsbibliothek Tübingen, 2020. http://d-nb.info/1213720664/34.

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Poignant-Molina, Léo. "Primary controls on iron and manganese distribution in sphalerite of the Gams Formation, Gamsberg zinc deposit, Namaqualand, South Africa." Thesis, Rhodes University, 2018. http://hdl.handle.net/10962/63775.

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The Gamsberg deposit is a 200 Mt zinc reserve belonging to the world class base metalrich Aggeneys-Gamsberg mining district. A rifting environment permitted the development of four proximal SEDEX-type deposits whereby Gamsberg is localized in the eastern side of the district and characterised by a peculiar enrichment in manganese. This study investigates the geochemistry of sphalerite in the Gams Formation holding the economic units of the deposit. Microscopic petrography revealed that most of primary textures have been overprinted by recrystallization, alteration, replacement and deformationa
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Dreher, Ana Maria. "O deposito primario de Cu-Au de Igarape Bahia, Carajas : rochas fragmentarias, fluidos mineralizantes e modelo metalogenetico." [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/287702.

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Orientador: Roberto Perez Xavier<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Geociencias<br>Made available in DSpace on 2018-08-03T19:08:11Z (GMT). No. of bitstreams: 1 Dreher_AnaMaria_D.pdf: 9644036 bytes, checksum: e67cdfe9ac1a7a487928d21fae15d8ac (MD5) Previous issue date: 2004<br>Doutorado
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Fourie, Willem Cornelius Jacobus. "Inkomstebelasting van veeboere : 'n vergelykende analise in geselekteerde lande / W.C.J. Fourie." Thesis, North-West University, 2010. http://hdl.handle.net/10394/4597.

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The current South African tax system offers livestock farmers a variety of forms of relief. There are also certain aspects that do not make it so advantageous to be regarded as a farmer by the tax collector. A large number of farmers emigrate to other countries without knowing how the tax systems of those countries function or how much tax they will have to pay. With these factors in mind the question arises concerning how other countries tax their livestock farmers and what relief is provided to them. The objective of this research is to examine and compare the theoretical tax legislation of
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Mann, Friederike Heike. "Elektrophysiologische Untersuchung des Primacy-Effekts in der Wahrnehmung von Reizwahrscheinlichkeiten." Berlin Logos-Verl, 2006. http://deposit.d-nb.de/cgi-bin/dokserv?id=2996479&prov=M&dok_var=1&dok_ext=htm.

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Mann, Friederike Heike. "Elektrophysiologische Untersuchung des Primacy-Effekts in der Wahrnehmung von Reizwahrscheinlichkeiten /." Berlin : Logos-Verl, 2007. http://deposit.d-nb.de/cgi-bin/dokserv?id=2996479&prov=M&dok_var=1&dok_ext=htm.

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Menzebach, Marc. "Individualisierte primäre Chirurgie von Stimmlippenkarzinomen mit Organerhalt onkologische und funktionelle Resultate, Lebensqualität /." Giessen : VVB Laufersweiler, 2006. http://deposit.d-nb.de/cgi-bin/dokserv?idn=981587275.

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Вунда, Тінта Мануел, Тинта Мануэл Вунда та T. M. Vunda. "Особливості геології, речовинного складу і перспективи алмазоносності кімберлітів трубки Лорелей (Ангола)". Thesis, Видавництво НГУ, 2010. http://ir.nmu.org.ua/handle/123456789/121.

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Дисертація на здобуття наукового ступеня кандидата геологічних наук за спеціальністю 04.00.11 – геологія металевих і неметалевих корисних копалин. Національний гірничий університет. Дніпропетровськ, 2010.<br>Диссертация на соискание ученой степени кандидата геологических наук по специальности 04.00.11 − геология металлических и неметаллических полезных ископаемых. Национальный горный университет. Днепропетровск, 2010.<br>Дисертація присвячена обґрунтуванню геологічних чинників, що обумовлюють алмазоносність кімберлітової трубки Лорелей на базі комплексного вивчення речовинного складу кімберліт
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Militon, Christian. "La metallogenie polyphasee a zn-pb-ba-f et mg-fe de la region de gedre-gavarnie-barroude (hautes-pyrenees)." Orléans, 1987. https://tel.archives-ouvertes.fr/tel-00798146.

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Une prospection geologique systematique de ces terrains a conduit a la reconnaissance de quatre principaux types de mineralisations dans le socle, le devonien inferieur et le cretace : 1 - une mineralisation stratiforme a zn-pb-ba-f de type sedimentaire - exhalatif omnipresente au sommet de la barre calcaire emsienne (devonien inferieur). 2 - de nombreux filons de types b. P. G. C. A gangue de siderite avec, pour certains, presence importante de barytine ou de fluorine ; ces filons correspondent a une phase de mineralisation tardi-hercynienne, probablement en liaison avec une phase tectonique
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Books on the topic "Primary Deposits"

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Akulov, Nikolay. TESTING OF SEDIMENTARY DEPOSITS AT DIAMOND SEARCHING WORKS. AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/monography_62021f624d9c18.71126120.

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The book contains materials on the search for modern and buried alluvial&#x0D; and primary deposits of diamonds. Much attention is paid to prospecting testing&#x0D; of potentially diamondiferous deposits and provides information on all types of&#x0D; diamondiferous rocks currently known.&#x0D; It is addressed primarily to young geologists who have embarked on a search&#x0D; for diamond deposits. It will find the answer to many questions by many geologists,&#x0D; prospectors and prospectors, leading the search for gold and diamonds.&#x0D; While this information product, for the most part, is in
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P, Möller, Černý P, and Saupé Francis, eds. Lanthanides, tantalum, and niobium: Mineralogy, geochemistry, characteristics of primary ore deposits, prospecting, processing, and applications : proceedings of a workshop in Berlin, November 1986. Springer-Verlag, 1989.

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Kusakabe, Minoru. Primary mineralization-alteration of the El Teniente and Rio Blanco porphyry copper deposits, Chile: Stable isotopes, fluid inclusions and Mg²⁺/Fe²⁺/Fe³⁺ ratios of hydrothermal biotite. Institute for Study of the Earth's Interior, Okayama University, 1986.

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Kusakabe, Minoru. Primary mineralization-alteration of the El Teniente and Rio Blanco porphyry copper deposits, Chile: Stable isotopes, fluid inclusions and Mg²⁺/Fe²⁺/Fe³⁺ ratios of hydrothermal biotite. Institute for Study of the Earth's Interior, Okayama University, 1986.

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5

Cerny, Petr, and Peter Moller. Lanthanides Tantalum and Niobium: Mineralogy, Geochemistry, Characteristics of Primary Ore Deposits, Prospecting, Processing and Applications : Proce (Special ... for Geology Applied to Mineral Deposits). Springer-Verlag, 1989.

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Cerny, Petr, Peter Möller, and Francis Saupe. Lanthanides, Tantalum and Niobium: Mineralogy, Geochemistry, Characteristics of Primary Ore Deposits, Prospecting, Processing and Applications Proceedings of a Workshop in Berlin, November 1986. Springer London, Limited, 2013.

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Cattran, Daniel C., and Heather N. Reich. Membranous glomerulonephritis. Edited by Neil Turner. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199592548.003.0061_update_001.

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Membranous glomerulonephritis (MGN) usually presents as nephrotic syndrome, which may be severe. It is primarily a disease of adults, men more than women, with a peak incidence in the fourth and fifth decades. It is hoped that proven tests for the characteristic anti-PLA2R antibodies of primary MGN may become established, but the diagnosis currently rests on renal biopsy showing characteristic subepithelial granular immune deposits. These usually contain immunoglobulin G4 and complement. Other patterns may suggest secondary causes of MGN. Secondary membranous nephropathy occurs in lupus and so
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Gasperini, Valentina. Tomb Robberies at the End of the New Kingdom. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198818786.001.0001.

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At the end of the 19th century W.M.F. Petrie excavated a series of assemblages at the New Kingdom Fayum site of Gurob. These deposits, known in the Egyptological literature as 'Burnt Groups', were composed by several and varied materials (mainly Egyptian and imported pottery, faience, stone and wood vessels, jewellery), all deliberately burnt and buried in the harem palace area of the settlement. Since their discovery these deposits have been considered peculiar and unparalleled. Many scholars were challenged by them and different theories were formulated to explain these enigmatic 'Burnt Grou
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Wiseman, Hannah. Hydraulic Fracturing and Legal Frameworks. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199935352.013.32.

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An oil and gas extraction technique called hydraulic fracturing has been common in the United States for many decades. However, a recent change in this technique—the development of a specific fracturing or “fracking” practice called slickwater or slickwater fracturing—has turned the world of petroleum extraction on its head, opening up massive new deposits of oil and gas in the United States and around the world. This article uses the United States as a case study of the benefits and risks of fracturing and the legal frameworks that apply to this practice, exploring how the legal approach has
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Weir, Richard D., Trevor A. Kinley, Richard W. Klafki, and Clayton D. Apps. Ecotypic variation affects the conservation of North American badgers endangered along their northern range extent. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198759805.003.0019.

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This chapter is based on ecological information on 82 radio-tagged badgers (39 F, 43 M) among three study populations in British Columbia, Canada between 1996 and 2010, data that were collected to learn more about the ecology of badgers and consider how variation in their ecology might inform regional conservation strategies. The widely spaced, lower density prey and distribution of soil deposits suitable for digging in British Columbia likely required badgers to use substantially larger areas, relative to the core range, in which to acquire sufficient energy to survive and reproduce. Strikes
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Book chapters on the topic "Primary Deposits"

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Wenye, Yan, and Wang Jinyang. "Primary Deposits and Derivative Deposits." In Dictionary of Contemporary Chinese Economics. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-4036-9_790.

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Premoli, C. "Exploration Strategies for Primary Tin Deposits." In Geology of Tin Deposits in Asia and the Pacific. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-72765-8_5.

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Akulov, Nikolay. "METHOD OF OBTAINING DIAMOND-CONTAINING CONCENTRATES IN FIELD CONDITIONS." In TESTING OF SEDIMENTARY DEPOSITS AT DIAMOND SEARCHING WORKS. AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/chapter_62021f626beca3.95820136.

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The book contains materials on the search for modern and buried alluvial and primary deposits of diamonds. Much attention is paid to prospecting testing of potentially diamondiferous deposits and provides information on all types of diamondiferous rocks currently known. It is addressed primarily to young geologists who have embarked on a search for diamond deposits. It will find the answer to many questions by many geologists, prospectors and prospectors, leading the search for gold and diamonds. While this information product, for the most part, is in the public domain, it also may contain co
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Akulov, Nikolay. "PRELIMINARY WORKS FOR DIAMONDS IN THE SOUTH-EASTERN PART OF THE SIBERIAN PLATFORM." In TESTING OF SEDIMENTARY DEPOSITS AT DIAMOND SEARCHING WORKS. AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/chapter_62021f62721810.15417057.

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The book contains materials on the search for modern and buried alluvial and primary deposits of diamonds. Much attention is paid to prospecting testing of potentially diamondiferous deposits and provides information on all types of diamondiferous rocks currently known. It is addressed primarily to young geologists who have embarked on a search for diamond deposits. It will find the answer to many questions by many geologists, prospectors and prospectors, leading the search for gold and diamonds. While this information product, for the most part, is in the public domain, it also may contain co
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Akulov, Nikolay. "TYPES OF TESTING WORKS IN SEARCHING FOR DIAMONDS." In TESTING OF SEDIMENTARY DEPOSITS AT DIAMOND SEARCHING WORKS. AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/chapter_62021f626a2677.66151848.

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The book contains materials on the search for modern and buried alluvial and primary deposits of diamonds. Much attention is paid to prospecting testing of potentially diamondiferous deposits and provides information on all types of diamondiferous rocks currently known. It is addressed primarily to young geologists who have embarked on a search for diamond deposits. It will find the answer to many questions by many geologists, prospectors and prospectors, leading the search for gold and diamonds. While this information product, for the most part, is in the public domain, it also may contain co
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Akulov, Nikolay. "THE STORY OF ONE DISCOVERY." In TESTING OF SEDIMENTARY DEPOSITS AT DIAMOND SEARCHING WORKS. AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/chapter_62021f6273cc84.72308799.

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The book contains materials on the search for modern and buried alluvial and primary deposits of diamonds. Much attention is paid to prospecting testing of potentially diamondiferous deposits and provides information on all types of diamondiferous rocks currently known. It is addressed primarily to young geologists who have embarked on a search for diamond deposits. It will find the answer to many questions by many geologists, prospectors and prospectors, leading the search for gold and diamonds. While this information product, for the most part, is in the public domain, it also may contain co
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Akulov, Nikolay. "FROM THE THEORY OF SEARCH TO THE PRACTICE." In TESTING OF SEDIMENTARY DEPOSITS AT DIAMOND SEARCHING WORKS. AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/chapter_62021f62682237.01275535.

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The book contains materials on the search for modern and buried alluvial and primary deposits of diamonds. Much attention is paid to prospecting testing of potentially diamondiferous deposits and provides information on all types of diamondiferous rocks currently known. It is addressed primarily to young geologists who have embarked on a search for diamond deposits. It will find the answer to many questions by many geologists, prospectors and prospectors, leading the search for gold and diamonds. While this information product, for the most part, is in the public domain, it also may contain co
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Akulov, Nikolay. "SEARCH FOR DIAMANTIFEROUS PLACERS AND SELECTION OF THE OBJECT OF TESTING (ON THE EXAMPLE OF THE SIBERIAN PLATFORM)." In TESTING OF SEDIMENTARY DEPOSITS AT DIAMOND SEARCHING WORKS. AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/chapter_62021f62700b59.15499524.

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The book contains materials on the search for modern and buried alluvial and primary deposits of diamonds. Much attention is paid to prospecting testing of potentially diamondiferous deposits and provides information on all types of diamondiferous rocks currently known. It is addressed primarily to young geologists who have embarked on a search for diamond deposits. It will find the answer to many questions by many geologists, prospectors and prospectors, leading the search for gold and diamonds. While this information product, for the most part, is in the public domain, it also may contain co
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Akulov, Nikolay. "THE PHILOSOPHY OF SEARCH AND THE BASIS OF GEOLOGICAL JURISPRUDENCE." In TESTING OF SEDIMENTARY DEPOSITS AT DIAMOND SEARCHING WORKS. AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/chapter_62021f62626af9.93384638.

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The book contains materials on the search for modern and buried alluvial and primary deposits of diamonds. Much attention is paid to prospecting testing of potentially diamondiferous deposits and provides information on all types of diamondiferous rocks currently known. It is addressed primarily to young geologists who have embarked on a search for diamond deposits. It will find the answer to many questions by many geologists, prospectors and prospectors, leading the search for gold and diamonds. While this information product, for the most part, is in the public domain, it also may contain co
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Akulov, Nikolay. "SCHEMES OF ENRICHMENT OF DIAMOND-BEARING SEDIMENTS." In TESTING OF SEDIMENTARY DEPOSITS AT DIAMOND SEARCHING WORKS. AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/chapter_62021f626e47c2.34088766.

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The book contains materials on the search for modern and buried alluvial and primary deposits of diamonds. Much attention is paid to prospecting testing of potentially diamondiferous deposits and provides information on all types of diamondiferous rocks currently known. It is addressed primarily to young geologists who have embarked on a search for diamond deposits. It will find the answer to many questions by many geologists, prospectors and prospectors, leading the search for gold and diamonds. While this information product, for the most part, is in the public domain, it also may contain co
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Conference papers on the topic "Primary Deposits"

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Hasegawa, Toshinari, Satoru Nagasumi, Takahiro Nemoto, et al. "Investigation of Deposits on Filter Element of Primary Gas Circulators in HTTR." In 2024 International Congress on Advances in Nuclear Power Plants (ICAPP). American Nuclear Society, 2024. http://dx.doi.org/10.13182/t130-43289.

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Tomlin, John L., Horace E. Durham, and James Carr. "The Use of an Organic Dispersant as Primary Treatment in a Textile Air Washer and Cooling Water System a Case History." In CORROSION 1986. NACE International, 1986. https://doi.org/10.5006/c1986-86021.

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Abstract In the textile industry, temperature and humidity are critical to production and air washers are utilized to control both. Besides regulating temperature and humidity, air washers "wash" the air free of particulate matter. This continuous "washing" introduces a heavy loading of contaminants on these systems and makes deposit control the primary treatment concern. Clinton Mills, Geneva, Alabama, is a textile manufacturing plant where, historically, the air washers required a lot of attention. Deposits were heavy, mainly oil and microbiological matter, and resulted in continuous pluggin
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Evans, Sarah E., and S. Dennis Jones. "Deposit Minimization Treatment in Secondary Side Steam Generators for Nuclear Plants." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05970.

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Abstract Recent advances in chemical cleaning solutions for nuclear power plants have reduced the volume of hazardous waste generated and minimized the impact of cleaning on site schedule and operations. Chemical cleanings are most often utilized in secondary side steam generators to reduce the mass of accumulated deposits, consisting primarily of iron oxides with trace amounts of other metal oxides, for improved thermal performance or mitigation of active corrosion mechanisms as a result of increased deposit loadings. Deposit removal solvents typically consist of a chelating agent combined wi
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Jevec, J. M., P. M. Knollmeyer, and P. Paramithas. "Steam Generator Chemical Cleaning at the Palo Verde Nuclear Generating Station." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95443.

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Abstract The secondary side of the Palo Verde Units 2 and 3 steam generators were chemically cleaned in 1994. The primary purpose of the chemical cleaning was to remove deposits bridging between adjacent tubes and also to remove bulk tube and tubesheet deposits. A secondary objective was to remove deposits from the flow distribution plate-to-tube crevice. The chemical cleaning consisted of a magnetite dissolution step, a separate step aimed at removing deposits in the flow distribution plate crevices, and a final step to remove residual copper and passivate the carbon steel surfaces of the ste
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Shoesmith, D. W. "Used Fuel and Uranium Dioxide Dissolution Studies – A Review Report No.: NWMO-TR-2007-03." In CORROSION 2008. NACE International, 2008. https://doi.org/10.5006/c2008-08rts04.

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Abstract The extensive studies of used fuel dissolution inside a failed nuclear waste container have been reviewed. The primary controlling factor is the redox condition set at the fuel surface by water radiolysis, its evolution with time as radiation fields decay, and how it is influenced by the presence of oxidant scavengers, especially H2, produced by corrosion of the steel liner in the container. If the container fails early, and oxidizing conditions are established, dissolution will be a corrosion reaction driven by radiolytically-produced H2O2. As radiation fields decay and conditions be
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Ashiru, O. A., A. A. Al-Refaie, and A. K. Bairamov. "Corrosion of Cupronickel Tubes in Arabian Gulf Seawater Service." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03260.

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Abstract A leakage was observed from 90/10-cupronickel tube bundles containing seawater as coolant, in the condenser unit of a heat exchanger. The failure occurred after two years service. The seawater was chlorinated to suppress microbial activities and also dosed with ferrous sulfate (FeSO4) to counteract possible sulfide and chlorine-accelerated corrosion of the cupronickel alloy. Failure analysis of the failed tubes revealed severe pitting corrosion underneath deposits (consisting mainly of CaCO3 and Cu2(OH)3Cl. The primary cause of the pitting corrosion is the continuous entrapment of agg
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Harmer, David E. "Dresden-1 Chemical Cleaning Results of Chemical and Radiation Measurements." In CORROSION 1986. NACE International, 1986. https://doi.org/10.5006/c1986-86355.

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Abstract The introduction of NS-1 solvent into the entire primary system of Dresden Unit-1 nuclear power reactor on September 12, 1984, represented the culmination of several years of development, testing, planning, and construction. The solvent, NS-1, was newly developed to dissolve the highly radioactive deposits of nickel ferrite. An extensive metallurgical test program followed to document its compatibility with the construction materials of the Unit. To circulate the cleaning solvent throughout the primary system, temporary equipment was installed. Moreover, a completely new facility was
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Mathiesen, Troels, and Jan Elkjaer Frantsen. "Rouging of Stainless Steel in WFI Systems - Examples and Present Understanding." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07193.

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Abstract Rouging is a well-known but poorly understood phenomenon in the pharmaceutical industry. It involves formation of red-brown to dark violet iron deposits on the inside surface of distillation columns, storage vessels and distribution systems for hot WFI (Water For Injection). The affected systems are made from stainless steel type AISI 316L as the primary construction material. The paper describes several cases of rouging in WFI systems as to characteristics and distribution. Field observations are correlated with published literature and experimental data obtained in the laboratory. F
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Milici, Kevin, and Gary Geiger. "Cooling System Automation and Process Control: the Next Technology Wave." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11387.

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Abstract Industrial cooling water systems are key enablers of unit processes. Maximizing cooling system performance serves to realize primary business goals such as production throughput and yield, energy and water conservation, capital asset preservation, environmental compliance and the protection of human health. The management of corrosion is inextricably linked to successful control of scale and deposits, as well as microbiological activity. Throughout the past 30 years, industry has benefited from a steady progression of developments technological advancements in the automation and contr
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Kung, S. C., and W. T. Bakker. "Effect of Sulfur and Chlorine on Furnace Wall Corrosion." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98180.

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Abstract The corrosion resistance of a furnace-wall tubing alloy, SA213-T2, was evaluated in a laboratory test, simulating the reducing/sulfidizing combustion environment in PC-fired utility boilers burning coal substoichiometrically. This alloy was exposed to mixed gases containing H2S and HCl, as well as other major flue-gas components, with and without the coverage of ash deposits. The results show that sulfidation was the primary mode of attack on SA213-T2. Chlorination could not be identified from the addition of 80 ppm HCl to the mixed gas and 10 wt.% chlorides to the ash. However, under
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Reports on the topic "Primary Deposits"

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Paradis, S. IOCG, IOA and related primary critical metal deposits in BC. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/329160.

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CRAWFORD, CHARLES. CHARACTERIZATION OF DWPF MELTER PRIMARY OFF-GAS LINE PLUGGAGE DEPOSITS. Office of Scientific and Technical Information (OSTI), 2022. http://dx.doi.org/10.2172/1885943.

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Peter, J. M., and M. G. Gadd. Introduction to the volcanic- and sediment-hosted base-metal ore systems synthesis volume, with a summary of findings. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328015.

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This volume presents results of research conducted during phase 5 of the Volcanic- and Sedimentary-hosted Base Metals Ore Systems project of the Geological Survey of Canada's Targeted Geoscience Initiative (TGI) program. The papers in this volume include syntheses and primary scientific reports. We present here a synopsis of the findings during this TGI project. Research activities have addressed several mineral deposit types hosted in sedimentary rocks: polymetallic hyper-enriched black shale, sedimentary exhalative Pb-Zn, carbonate-hosted Pb-Zn (Mississippi Valley-type; MVT), and fracture-co
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Corriveau, L., J. F. Montreuil, O. Blein, et al. Metasomatic iron and alkali calcic (MIAC) system frameworks: a TGI-6 task force to help de-risk exploration for IOCG, IOA and affiliated primary critical metal deposits. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/329093.

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Australia's and China's resources (e.g. Olympic Dam Cu-U-Au-Ag and Bayan Obo REE deposits) highlight how discovery and mining of iron oxide copper-gold (IOCG), iron oxide±apatite (IOA) and affiliated primary critical metal deposits in metasomatic iron and alkali-calcic (MIAC) mineral systems can secure a long-term supply of critical metals for Canada and its partners. In Canada, MIAC systems comprise a wide range of undeveloped primary critical metal deposits (e.g. NWT NICO Au-Co-Bi-Cu and Québec HREE-rich Josette deposits). Underexplored settings are parts of metallogenic belts that extend in
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Cawood, T. K., and J. M. Peter. The geology of critical battery metals: a spotlight on Co in VMS deposits and Li in pegmatites. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/332348.

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As we move away from a fossil fuel-driven economy, the demand for metals used in energy-dense, rechargeable batteries is increasing; these include cobalt and lithium. Although cobalt is mostly obtained as a by-product from nickel and copper mining, significant amounts also occur in volcanogenic massive sulfide (VMS) deposits, of which Canada has many. However, the primary controls on cobalt distribution in VMS deposits are poorly understood, and may be affected by deformation and metamorphism. We show that cobalt can occur in pyrite, which retains its primary composition through greenschist fa
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Simandl, G. J., R. J. D'Souza, S. Paradis, and J. Spence. Rare-earth element content of carbonate minerals in sediment-hosted Pb-Zn deposits, southern Canadian Rocky Mountains. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328001.

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Paleozoic platform carbonate rocks of the Rocky Mountains host Mississippi Valley-type (MVT), magnesite, barite, and REE-barite-fluorite deposits. Farther west, platform carbonate rocks of the Kootenay Arc host MVT and fracture-controlled replacement (FCR) deposits. This is the first systematic LA-ICP-MS study of carbonates in MVT and FCR deposits. We investigated seven MVT deposits in the Rocky Mountains, and five MVT deposits in the Kootenay Arc. None of the post-Archean Australian shale (PAAS)-normalized REE profiles show light REE (LREE) depletion and strong negative Ce anomalies character
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Gourcerol, B., P. C. Thurston, D. J. Kontak, O. Côté-Mantha, and J. Biczok. Distinguishing primary and mineralization-related signatures of chert from the banded iron-formation-hosted gold deposits at Musselwhite, Ontario and Meadowbank, Nunavut. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2015. http://dx.doi.org/10.4095/295531.

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Mills, Stephanie E., and Bear Jordan. Uranium and Vanadium Resources of Utah: An Update in the Era of Critical Minerals and Carbon Neutrality. Utah Geological Survey, 2021. http://dx.doi.org/10.34191/ofr-735.

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Utah is the second largest vanadium producing state and the third largest uranium producing state in the United States. Carnotite, a primary ore mineral for both vanadium and uranium, was first discovered and used by Native Americans as a source of pigment in the Colorado Plateau hysiographic province of eastern Utah. Radioactive deposits have been ommercially mined in Utah since about 1900, starting with radium, followed by vanadium, and thenuranium. In 1952, the discovery of the Mi Vida mine in Utah’s Lisbon Valley mining district in San Juan County kicked off a uranium exploration rush acro
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Hurlow, Hugh A., Paul C. Inkenbrandt, and Trevor H. Schlossnagle. Hydrogeology, Groundwater Chemistry, and Water Budget of Juab Valley, Eastern Juab County, Utah. Utah Geological Survey, 2022. http://dx.doi.org/10.34191/ss-170.

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Juab Valley is a north-south-trending basin in the eastern Basin and Range Province. Juab Valley is bounded on the east by the Wasatch normal fault and the Wasatch Range and San Pitch Mountains, bounded on the west by Long Ridge and the West Hills. Juab Valley is at the southern end of Utah’s Wasatch Front, an area of projected rapid population growth and increased groundwater use. East-west-trending surface-water, groundwater, and water-rights boundaries approximately coincide along the valley’s geographic midline at Levan Ridge, an east-west trending watershed divide that separates the north
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Preine, Jonas. Studierendenbericht Seepraktikum 2024 (UHH), Cruise No. AL621, 30.09.2024 – 11.10.2024, Kiel (Germany) – Kiel (Germany). GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany, 2024. http://dx.doi.org/10.3289/cr_al621.

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The internship cruise AL621 commenced with the loading of the ship on September 30, 2024, at the GEOMAR pier in Kiel. During the rigging of the working deck and laboratories, students received instruction on various measurement instruments, a process that continued to deepen over the following days at sea. The scientific work was initially impacted by stormy weather, particularly during the first and last days at sea. The program began with hydroacoustic measurements in the Flensburger Förde to map the shallow termination of previously identified fault structures. Afterwards, the expedition tr
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