Academic literature on the topic 'Shell deposits'

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Journal articles on the topic "Shell deposits"

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Sakuna-Schwartz, D., P. Feldens, K. Schwarzer, S. Khokiattiwong, and K. Stattegger. "Internal structure of event layers preserved on the Andaman Sea continental shelf, Thailand: tsunami vs. storm and flash-flood deposits." Natural Hazards and Earth System Sciences 15, no. 6 (2015): 1181–99. http://dx.doi.org/10.5194/nhess-15-1181-2015.

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Abstract. Tsunami, storm and flash-flood event layers, which have been deposited over the last century on the shelf offshore Khao Lak (Thailand, Andaman Sea), are identified in sediment cores based on sedimentary structures, grain size compositions, Ti / Ca ratios and 210Pb activity. Individual offshore tsunami deposits are 12 to 30 cm in thickness and originate from the 2004 Indian Ocean Tsunami. They are characterized by (1) the appearance of sand layers enriched in shells and shell debris and (2) the appearance of mud and sand clasts. Storm deposits found in core depths between 5 and 82 cm
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Sakuna-Schwartz, D., P. Feldens, K. Schwarzer, S. Khokiattiwong, and K. Stattegger. "Internal structure of event layers preserved on the Andaman Sea continental shelf, Thailand: tsunami vs. storm and flash flood deposits." Natural Hazards and Earth System Sciences Discussions 2, no. 12 (2014): 7225–67. http://dx.doi.org/10.5194/nhessd-2-7225-2014.

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Abstract. Tsunami, storm and flash event layers, which have been deposited over the last century on the shelf offshore from Khao Lak (Thailand, Andaman Sea), are identified in sediment cores based on sedimentary structures, grain size compositions, Ti / Ca ratios and 210Pb activity. Individual offshore tsunami deposits are 12 to 30 cm in thickness and originate from the 2004 Indian Ocean tsunami. They are characterized by (1) the appearance of sand layers enriched in shells and shell debris, (2) cross lamination and (3) the appearance of rip-up clasts. Storm deposits found in core depths betwe
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Carey, Stephen P., John E. Sherwood, Megan Kay, Ian J. McNiven, and James M. Bowler. "The Moyjil site, south-west Victoria, Australia: stratigraphic and geomorphic context." Proceedings of the Royal Society of Victoria 130, no. 2 (2018): 14. http://dx.doi.org/10.1071/rs18004.

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Shelly deposits at Moyjil (Point Ritchie, Warrnambool), Victoria, together with ages determined from a variety of techniques, have long excited interest in the possibility of a preserved early human influence in far south-eastern Australia. This paper presents a detailed analysis of the stratigraphy of the host Bridgewater Formation (Pleistocene) at Moyjil and provides the context to the shelly deposits, evidence of fire and geochronological sampling. We have identified five superposed calcarenite–palaeosol units in the Bridgewater Formation, together with two prominent erosional surfaces that
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Davies, David J., and Molly F. Miller. "Paleocommunity information retrieval vs. shell accumulation mode in Paleozoic carbonates: examples from the Lebanon Limestone (Middle Ordovician), Tennessee, U.S.A." Paleontological Society Special Publications 6 (1992): 81. http://dx.doi.org/10.1017/s2475262200006419.

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Compared to their terrigenous counterparts, carbonate shell accumulations have until recently been relatively little studied to determine either descriptive or genetic classifications of shell bed types, the preservation potential of each type, or their relative ability to preserve community-level information. A partial classification of Paleozoic carbonate shell-rich soft sediment accumulations is proposed using sedimentation patterns in the Lebanon limestone of the Stones River Group. Paleoecological information preserved therein is then contrasted by shell bed type. The Lebanon represents t
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Corcoran, P. L., and L. N. Moore. "Subaqueous eruption and shallow-water reworking of a small-volume Surtseyan edifice at Kakanui, New Zealand." Canadian Journal of Earth Sciences 45, no. 12 (2008): 1469–85. http://dx.doi.org/10.1139/e08-068.

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Kakanui volcaniclastic deposits on the South Island of New Zealand are the remnants of two late Eocene to early Oligocene Surtseyan-type cones. Eruptive-dominated material of the (i) stratified tuff and lapilli tuff, and (ii) lapilli tuff breccia lithofacies and post-eruptive debris of the (iii) shell-rich tuff and lapilli tuff, and (iv) chaotic and cross-bedded tuff and lapilli tuff lithofacies compose the deposits. The 9–250 m thick stratified tuff and lapilli tuff contains grain-flow deposits originating from low-volume tephra jets and local thinning and fining upward sequences that formed
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Meldahl, Keith H. "Origin of Shell Beds and Evolution of a Shelly Sand Spit, Bahia la Choya, Northern Gulf of California." Paleontological Society Special Publications 2 (1987): 189–99. http://dx.doi.org/10.1017/s2475262200004810.

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An actively prograding shelly sand spit forms the eastern margin of Bahia la Choya, northern Gulf of California. Shell-rich deposits exposed on the eastern side of the spit record previous phases of spit growth. Analysis and comparison of faunal composition, biofabric and shell preservation from the beach, estero mouth bar, and the fossil spit deposits suggest 3 major phases of spit evolution: (1) southward progradation of the spit tip/estero mouth bar (lower shell bed), (2) deposition of washover lobes during a major storm (upper shell bed), and (3) eolian accretion (spit crest). A 1300 ± 50
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Vermeij, Geerat J. "The oyster enigma variations: a hypothesis of microbial calcification." Paleobiology 40, no. 1 (2014): 1–13. http://dx.doi.org/10.1666/13002.

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Oysters, whose inner shell layer contains chambers, vesicles, and sometimes chalky deposits, often have extraordinarily thick shells of large size, prompting the idea that there is something unusual about the process of shell fPormation in these and similarly structured bivalves with the oyster syndrome. I propose the hypothesis that calcifying microbes, especially sulfate-reducing bacteria growing on organic substrates in fluid-filled shell-wall chambers, are responsible for shell calcification away from the shell-secreting mantle of the host bivalve. Other phenomena, including the formation
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Dattilo, Benjamin F., Carlton E. Brett, Cameron J. Tsujita, and Robert Fairhurst. "Sediment supply versus storm winnowing in the development of muddy and shelly interbeds from the Upper Ordovician of the Cincinnati region, USAThis article is one of a series of papers published in this Special Issue on the theme The dynamic reef and shelly communities of the Paleozoic. This Special is in honour of our colleague and friend Paul Copper." Canadian Journal of Earth Sciences 45, no. 2 (2008): 243–65. http://dx.doi.org/10.1139/e07-060.

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Shell-bed development can be a product of complex sedimentological and biological factors. The Upper Ordovician sediments near Cincinnati, Ohio constitute a succession of thinly interbedded shelly carbonates and mudrocks. Despite years of study, the development of Cincinnatian shell beds and metre-scale cycles has, until recently, been attributed solely to storm reworking. This “storm-winnowing model” treats shells as passive sedimentary clasts, ignoring other factors of shell-bed development. A recently proposed alternative is Brett and Algeo’s idea that these shell beds grew during long peri
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Sparks, Darrell, and I. E. Yates. "Anatomy of Shuck Abscission in `Desirable' Pecan." Journal of the American Society for Horticultural Science 120, no. 5 (1995): 790–97. http://dx.doi.org/10.21273/jashs.120.5.790.

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Cellular changes associated with shuck dehiscence and markings deposited on pecan [Carya illinoinensis (Wangenh.) C. Koch] shells were examined by scanning electron and light microscopy. Fruit were sampled at three stages of maturity: 1) shuck and shell fused, 2) sutures separated (shuck opening), and 3) vascular system separated from shuck. Shuck dehiscence involved temporally regulated abscission events with shuck-shell, then shuck-suture, and finally shuck-vascular system separation. Abscission events occurred in a tissue zone common to and continuous among all three separation sites, even
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Roy, Peter S. "Shell Hash Dating and Mixing Models for Palimpsest Marine Sediments." Radiocarbon 33, no. 3 (1991): 283–89. http://dx.doi.org/10.1017/s0033822200040303.

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The dating of palimpsest marine sediments using broken shell fragments (shell hash) is considered to be a necessary but unreliable technique because of the mixed age of the fragments. An analysis of geological mixing models and radiocarbon data on shell hash from sandy sediments on the southeast Australian coast and shelf are used to examine the possibility for simulating the depositional processes, and thus, to better understand the age structure of the deposits.
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Dissertations / Theses on the topic "Shell deposits"

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Wheadon, C. J. D. (Christopher James Daniel), and n/a. "A systemic approach to understanding prehistoric shell-bearing deposits in New Zealand: a case study from Shag Point, North Otago." University of Otago. Department of Anthropology, 2002. http://adt.otago.ac.nz./public/adt-NZDU20070507.115526.

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This thesis describes a systemic approach to the study of shell remains, using material from the site of Shag Point (J43/11), in North Otago. This approach analyses the relationship between sampling, identification, quantification, and site formation processes. An historical and methodological framework is used to assess the analysis of shell-bearing deposits in New Zealand, and provide innovative solutions to bias. Historical research outlines the common research methods in New Zealand, which are relevant to Shag Point. Methodological research outlines the range of potential research methods
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Chandupatla, Udaya B. "Evaluation of power deposited in a homogenous head model for clam-shell type cellular phones." FIU Digital Commons, 2006. http://digitalcommons.fiu.edu/etd/2106.

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The fundamental dosimetric quantity used to measure the level of exposure due to cellular phones is the Specific Absorption Rate (SAR). The compliance of a device to the exposure limit is determined by following the guidelines described in IEEE measurement standards. The compliance assessment process can be quite complicated and time consuming, due to the many different test conditions that have to be considered and the slow speed of the measurement equipment. Depending on the frequency, use configuration of the device and form factor the SAR values can vary significantly from test case to tes
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De, Decker RH. "The geological setting of diamondiferous deposits on the inner shelf between the Orange River and Wreck Point, Namaqualand." Master's thesis, University of Cape Town, 1986. http://hdl.handle.net/11427/26236.

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Moriarty, Julia M. "Transport and Fate of Sediment on the Waipaoa River Continental Shelf: Implications for the Formation and Reworking of Flood Deposits." W&M ScholarWorks, 2012. https://scholarworks.wm.edu/etd/1539617920.

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As part of a large interdisciplinary study, particulate fluxes in the Waipaoa River sedimentary system in New Zealand have been studied from the terrestrial headlands of the catchment to the oceanic basin over timescales spanning storm events, seasons, and the Holocene. Here, we complement prior efforts by evaluating the formation and reworking of riverine deposits during episodic flood and wave events, and considering their role in accumulation patterns created over longer timescales on the Waipaoa shelf. Using a numerical hydrodynamic and sediment transport model, sediment fluxes and deposit
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Rau, Grant. "A geological evaluation of marine diamond placer deposits on the central Namibian inner shelf : a case study of the Hottentot Bay area." Thesis, Rhodes University, 2004. http://hdl.handle.net/10962/d1007554.

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This study focusses on the marine diamond placers within Exclusive Prospecting Licence 1950 and Mining Licence 103a, located northwest of the north-facing Hottentot Bay which is 60 km north of Lüderitz, along the central Namibian coastline. The thesis follows the natural geological evolution of the marine placer deposit from primary source, through alluvial and/or glacial transportation, concentration along the coastline by wave, aeolian and alluvial/sheet-wash processes and finally marine diamond placer preservation. All of these processes are reviewed as they are important in understanding o
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Lodewyks, Therisia. "Siesmic Stratigraphy of Upper Pleistocene gravel and holocene mudbelt deposits between wreck point and the kamma river on the western shelf of South Africa." Master's thesis, University of Cape Town, 2010. http://hdl.handle.net/11427/4208.

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This project aims to provide a better understanding of the deposition of Quaternary and Holocene sediments along the west coast of Southern Africa between Wreck Point at approximately 28º50.00′S and the Kamma River at approximately 29º20.00′S, based primarily on seismic stratigraphy. The high resolution airgun seismic survey performed by De Beers Marine during 1998 was interpreted based on seismic stratigraphic principles and the chronology of the seismic profiles was based on correlation to radiocarbon-dated gravity cores from offshore the Holgat River determined by Herbert (2009). Seismic pr
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Bohrer, Arndt. "Entwicklung eines internetgestützten Expertensystems zur Prüfung des Anwendungsbereichs urheberrechtlicher Abkommen." Kassel : Kassel Univ. Press, 2003. http://deposit.d-nb.de/cgi-bin/dokserv?idn=97032314X.

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Delaine, Maxence. "La composition des thèques d'amibes xénosomiques : utilisation potentielle comme bio-indicateur des dépôts de particules d’origine atmosphérique." Thesis, Besançon, 2016. http://www.theses.fr/2016BESA2017/document.

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Les amibes à thèque, également appelés thécamoebiens, sont des micro-organismes unicellulaires, qui construisent une enveloppe rigide, appelée thèque (Adl et al., 2012). Ces thèques ont des tailles, formes et natures très variées (Ogden & Hedley, 1980). Les récentes études sur la composition des thèques ont conduit à émettre l’hypothèse que les amibes xénosomiques (constituées de particules exogènes), peuvent constituer des bio-indicateurs pertinents de la diversité particulaire de l’environnement minéral, organique et biologique dans lequel elles évoluent.L’objectif principal des recherch
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Suarez, Suzette V. "The outer limits of the continental shelf : legal aspects of their establishment /." Berlin [u.a.] : Springer, 2008. http://deposit.d-nb.de/cgi-bin/dokserv?id=3103207&prov=M&dok_var=1&dok_ext=htm.

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Мельничук, П. М. "Особливості геологічної будови і перспективи нафтогазоносності нижньокрейдових відкладів північно-західного шельфу Чорного моря". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2005. http://elar.nung.edu.ua/handle/123456789/4064.

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Роботу присвячено вияшіенню особливостей геологічної будови нижньокрейдових відкладів північно-західного шельфу Чорного моря і визначенню перспектив їх нафтогазоносності та пріоритетних напрямків подальших пошуково-розвідувальних робіт. Побудовано структурно-тектонічні карти покрівлі та підошви нижньокрейдових відкладів. Виділено типи літофацій та побудовані карти їх просторового поширення і розвитку порід-колекторів. Проведено районування території поширення нижньокрейдових відкладів за ступенем їх перспективності на підставі критерійних ознак нафтогазоносності та щільності початкових прогноз
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Books on the topic "Shell deposits"

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Seck, Emmanuel. Diversité floristique dans la lagune de Joal-Fadiouth. ENDA, 2010.

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United States. Congress. House. Committee on Resources. Use of sand, gravel, and shells of outer continental shelf: Report (to accompany H.R. 3972) (including cost estimate of the Congressional Budget Office). U.S. G.P.O., 1998.

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United States. Congress. House. Committee on Resources. Use of sand, gravel, and shells of outer continental shelf: Report (to accompany H.R. 3972) (including cost estimate of the Congressional Budget Office). U.S. G.P.O., 1998.

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Derkachev, A. N. Mineralogicheskie indikatory obstanovok prikontinentalʹnogo osadkoobrazovenii︠a︡ zapadnoĭ chasti Tikhogo okeana: Environmental mineralogical indicators of near-continental sediment formation within Pacific Ocean western part. Dalʹnauka, 2010.

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Ivanova, A. M. Kaĭnozoĭskiĭ rudogenez v shelʹfovykh oblasti︠a︡kh Rossii. Редактори Smirnov, A. N. (Aleksandr Nikolaevich), doktor geologo-mineralogicheskikh nauk, author, Ushakov V. I. author та Ivanov, V. L. (Vladimir Leonidovich), editor. VNIIOkeangeologii︠a︡, 2005.

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Marine Geoscience Group (South Africa), ed. The geological setting of diamondiferous deposits on the inner shelf between the Orange River and Wreck Point, Namaqualand. Marine Geoscience Unit, Department of Geology, University of Cape Town, 1986.

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Grosz, A. E. Titanium-zirconium-rare-earth placer resources potential of surficial sediments on the Atlantic Continental Shelf offshore of New York, Rhode Island, and southern Massachusetts. U.S. Dept. of the Interior, Geological Survey, 1991.

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M, Kelly William, New York State Geological Survey., and Geological Survey (U.S.), eds. Titanium-zirconium-rare-earth placer resources potential of surficial sediments on the Atlantic Continental Shelf offshore of New York, Rhode Island, and southern Massachusetts. U.S. Dept. of the Interior, Geological Survey, 1991.

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Grosz, A. E. Titanium-zirconium-rare-earth placer resources potential of surficial sediments on the Atlantic Continental Shelf offshore of New York, Rhode Island, and southern Massachusetts. U.S. Dept. of the Interior, Geological Survey, 1991.

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Grosz, A. E. Titanium-zirconium-rare-earth placer resources potential of surficial sediments on the Atlantic Continental Shelf offshore of New York, Rhode Island, and southern Massachusetts. U.S. Dept. of the Interior, Geological Survey, 1991.

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Book chapters on the topic "Shell deposits"

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Hendricks, Robert, and Alex Hodson. "Luminescence Dating, Shell-Rich Deposits." In Encyclopedia of Scientific Dating Methods. Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-007-6304-3_262.

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Hendricks, Robert, and Alex Hodson. "Luminescence Dating of Shell-Rich Deposits." In Encyclopedia of Scientific Dating Methods. Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-6326-5_262-1.

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Beovide, Laura, and Sergio Martínez. "Natural Shell Deposits from a Río de la Plata Estuarine Beach, Uruguay: Formation Processes and Archaeological Implications." In Topics in Geobiology. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20625-3_9.

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Wells, Lisa. "Radiocarbon Dating of Holocene Tidal Marsh Deposits." In AGU Reference Shelf. American Geophysical Union, 2013. http://dx.doi.org/10.1029/rf004p0497.

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Bartosiewicz, László, Lydia Zapata, and Clive Bonsall. "A Tale of Two Shell Middens: The Natural versus the Cultural in “Obanian” Deposits at Carding Mill Bay, Oban, Western Scotland." In Integrating Zooarchaeology and Paleoethnobotany. Springer New York, 2009. http://dx.doi.org/10.1007/978-1-4419-0935-0_9.

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Selley, Richard C. "Shelf deposits: carbonate and terrigenous." In Ancient Sedimentary Environments. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4615-5421-9_8.

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Selley, Richard C. "Shelf deposits: carbonate and terrigenous." In Ancient Sedimentary Environments. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-1233-5_8.

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Selley, Richard C. "Shelf deposits: carbonate and terrigenous." In Ancient Sedimentary Environments. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4684-7304-9_8.

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Sowers, Janet M. "Correlating Quaternary Landforms and Deposits to Global Climate Change." In AGU Reference Shelf. American Geophysical Union, 2013. http://dx.doi.org/10.1029/rf004p0425.

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Hemphill-Haley, Mark A., Thomas L. Sawyer, Peter L. K. Knuepfer, Steven L. Forman, and Ivan G. Wong. "Timing of Faulting Events from Thermoluminescence Dating of Scarp-Related Deposits, Lemhi Fault, Southeastern Idaho." In AGU Reference Shelf. American Geophysical Union, 2013. http://dx.doi.org/10.1029/rf004p0541.

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Conference papers on the topic "Shell deposits"

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Busch, James, M. J. Soreghan, Kirsten de Beurs, Michael McGlue, Ishmael Kimirei, and Andrew S. Cohen. "THE ENIGMATIC QUATERNARY SHELL BED DEPOSITS OF LAKE TANGANYIKA, TANZANIA: A STORY OF ANTHROPOGENIC OR ENVIRONMENTAL CHANGE?" In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-280883.

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Bergeron, Lauren, Madeline S. Marshall, and Kimberly Lau. "STRATIGRAPHIC INSIGHTS FROM PERMIAN SHELL BEDS: COMPARISON OF FRANSON MEMBER DEPOSITS OF THE PERMIAN PHOSPHORIA ROCK COMPLEX, IDAHO." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-381333.

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Cuenca-Alvarez, R., H. Ageorges, and P. Fauchais. "Stainless Steel Coatings Alumina Reinforced by Plasma Spraying Mechanofused Particles." In ITSC2003, edited by Basil R. Marple and Christian Moreau. ASM International, 2003. http://dx.doi.org/10.31399/asm.cp.itsc2003p0707.

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Abstract Stainless steel particles have been covered with an alumina shell by the mechanofusion process in order to reinforce stainless steel coatings by uniformly distributed alumina particles. Two stainless steel particle size distributions (PSD) in the range of 65 µm and 120 µm were tested. It was found that the mechanical energy input induced a spherical shape of the final composite particles with a controlled shell thickness (3 µm and 2 µm respectively) without forming new phases that usually take place during the mechanofusion process. The new spherically-shaped composite particles were
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Jonkman, Hayley, Miary Harimanana Andrianarivo, Lauren Bergeron, Moses Jatta, and Madeline S. Marshall. "STRATIGRAPHY OF SHELL BEDS FROM HIGH-SEDIMENT, HIGH-PRODUCTIVITY DEPOSITS OF THE LATE JURASSIC ILONA RIVER, MORONDAVA BASIN, WESTERN MADAGASCAR." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-381069.

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Sandquist, Gary M., Jay F. Kunze, and Vern C. Rogers. "Oil Recovery From Shale With Nuclear Generated Heat." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48188.

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Shell Oil Corporation has developed an in-situ process for shale oil recovery that uses electric heaters to heat oil shale deposits and produce chemical reactions within the shale that can liberate the shale-oil. The major production expense is electrical power used to heat the shale. Significantly, small mobile nuclear reactors are now under development and testing that could provide high-temperature working fluids (both gaseous and liquid) at lower unit energy cost to replace current electrical heating. Nuclear generated steam is particularly cost effective and technically attractive for oil
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Burchell, Meghan, Anna Sparrow, Marisa Dusseault, Nadine Hallmann, and Bernd R. Schöne. "THE MID-HOLOCENE LANDSCAPE OF DEEP BAY: A MULTI-PROXY APPROACH TO PALAEOENVIRONMENTAL RECONSTRUCTION FROM SHELL MIDDEN DEPOSITS IN COASTAL BRITISH COLUMBIA, CANADA." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-318871.

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Plodinec, M. John, Ping-Rey Jang, Zhiling Long, et al. "Application of Optical and Imaging Techniques to Inspection of Off-Line Joule-Heated Melter at the West Valley Demonstration Project." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4580.

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The West Valley melter has been taken out of service. Its design is the direct ancestor of the current melter design for the Hanford Waste Treatment Plant. Over its eight years of service, the West Valley melter has endured many of the same challenges that the Hanford melters will encounter with feeds that are similar to many of the Hanford double shell tank wastes. Thus, inspection of the West Valley melter prior to its disposal could provide valuable — even crucial — information to the designers of the melters to be used at the Hanford Site, particularly if quantitative information can be ob
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de Vries, Guus, Joop van der Meer, Harald Brennodden, and Stein Wendel. "Ormen Lange Gas Field, Immediate Settlement of Offshore Rock Supports." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29038.

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Located approximately 120 km offshore, Ormen Lange, with an estimated 400 billion m3 of natural gas, is the second-largest gas discovery on the Norwegian shelf. The water depth is up to 850 meters, making Ormen Lange the first deepwater project on the Norwegian Continental Shelf. The development of Ormen Lange is under shared operatorship between Norsk Hydro and Shell. Ormen Lange’s untreated well stream will be transported to shore in two 120 km long, 30-inch diameter pipelines to a processing plant at Nyhamna, Norway. From there, gas will be exported via a 42” 1200 km sub sea pipeline (Lange
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Hwang, Kyeong Mo, and Tae Eun Jin. "Development and Application of a Plugging Margin Evaluation Method Taking Into Account the Fouling of Shell-and-Tube Heat Exchangers." In ASME 2005 Pressure Vessels and Piping Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pvp2005-71289.

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As the operating time of heat exchangers progresses, fouling caused by water-borne deposits and the number of plugged tubes increase and thermal performance decreases. Both fouling and tube plugging are known to interfere with normal flow characteristics and to reduce thermal efficiencies of heat exchangers. The heat exchangers of Korean nuclear power plants have been analyzed in terms of heat transfer rate and overall heat transfer coefficient as a means of heat exchanger management. Except for fouling resulting from the operation of heat exchangers, all the tubes of heat exchangers have been
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Banerjee, Sayoni, Kalyan Halder, and Sreetama Aich. "ANALYSIS OF MOLLUSCAN SHELL BEDS FROM LOWER EOCENE DEPOSITS OF CAMBAY BASIN, WESTERN INDIA REVEALS PROLIFERATION OF OPPORTUNIST TAXA IN THE COASTAL SHELTERED ENVIRONMENT IN RESPONSE TO TRANSGRESSIONS." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-336447.

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Reports on the topic "Shell deposits"

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Chriscoe, Mackenzie, Rowan Lockwood, Justin Tweet, and Vincent Santucci. Colonial National Historical Park: Paleontological resource inventory (public version). National Park Service, 2022. http://dx.doi.org/10.36967/nrr-2291851.

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Colonial National Historical Park (COLO) in eastern Virginia was established for its historical significance, but significant paleontological resources are also found within its boundaries. The bluffs around Yorktown are composed of sedimentary rocks and deposits of the Yorktown Formation, a marine unit deposited approximately 4.9 to 2.8 million years ago. When the Yorktown Formation was being deposited, the shallow seas were populated by many species of invertebrates, vertebrates, and micro-organisms which have left body fossils and trace fossils behind. Corals, bryozoans, bivalves, gastropod
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Field, Michael E., James V. Gardner, David B. Prior, and Glenn Spinelli. Recognition of Diagnostic Acoustic Signatures in Shelf and Slope Deposits: The STRATAFORM California Site. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada630764.

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Field, Mike, J. C. Moore, and Dan Orange. Understanding the Formation of Strata: Nesting Geophysical Data Sets for Interpretation of Key Stratigraphic Horizons in Shelf and Slope Deposits. Defense Technical Information Center, 2001. http://dx.doi.org/10.21236/ada625847.

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EVIDENT TECHNOLOGIES TROY NY. High Performance Thermoelectric Materials Using Solution Phase Synthesis of Narrow Bandgap Core/Shell Quantum Dots Deposited Into Colloidal Crystal Thin Films. Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada434970.

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Katzir, Nurit, James Giovannoni, and Joseph Burger. Genomic approach to the improvement of fruit quality in melon (Cucumis melo) and related cucurbit crops. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7587224.bard.

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Fruit quality is determined by numerous genetic traits that affect taste, aroma, texture, pigmentation, nutritional value and duration of shelf-life. The molecular basis of many of these important traits is poorly understood and it’s understanding offers an excellent opportunity for adding value to agricultural products. Improvement of melon fruit quality was the primary goal of the project. The original objectives of the project were: The isolation of a minimum of 1000 fruit specific ESTs. The development of a microarray of melon fruit ESTs. The analysis of gene expression in melon using melo
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King, E. L., A. Normandeau, T. Carson, et al. Pockmarks, a paleo fluid efflux event, glacial meltwater channels, sponge colonies, and trawling impacts in Emerald Basin, Scotian Shelf: autonomous underwater vehicle surveys, William Kennedy 2022011 cruise report. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331174.

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A short but productive cruise aboard RV William Kennedy tested various new field equipment near Halifax (port of departure and return) but also in areas that could also benefit science understanding. The GSC-A Gavia Autonomous Underwater Vehicle equipped with bathymetric, sidescan and sub-bottom profiler was successfully deployed for the first time on Scotian Shelf science targets. It surveyed three small areas: two across known benthic sponge, Vazella (Russian Hat) within a DFO-directed trawling closure area on the SE flank of Sambro Bank, bordering Emerald Basin, and one across known pockmar
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Modeling Cape- and Ridge-Associated Marine Sand Deposits; A Focus on the U.S. Atlantic Continental Shelf. US Geological Survey, 2009. http://dx.doi.org/10.3133/b2209m.

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Mineral Resource Assessment of Marine Sand Resources in Cape- and Ridge-Associated Marine Sand Deposits in Three Tracts, New York and New Jersey, United States Atlantic Continental Shelf. US Geological Survey, 2009. http://dx.doi.org/10.3133/b2209n.

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