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Journal articles on the topic 'UPb dating'

Author: Grafiati

Published: 25 January 2025

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1

Erel, Yigal, Yehudit Harlavan, Mordechai Stein, and Joel D. Blum. "UPb dating of Fe-rich phases using a sequential leaching method." Geochimica et Cosmochimica Acta 61, no. 8 (1997): 1697–703. http://dx.doi.org/10.1016/s0016-7037(97)00028-8.

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2

Steiger, Rudolf H., Ruth A. Bickel, and Martin Meier. "Conventional UPb dating of single fragments of zircon for petrogenetic studies of Phanerozoic granitoids." Earth and Planetary Science Letters 115, no. 1-4 (1993): 197–209. http://dx.doi.org/10.1016/0012-821x(93)90222-u.

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3

Berzin, S. V., та V. S. Chervyakovsky. "U-Pb zircon age of a sheeted dike complex in ophiolites in the structure of the Revdinsky massif, Ural Рlatinum Belt". LITHOSPHERE (Russia) 21, № 6 (2021): 849–66. http://dx.doi.org/10.24930/1681-9004-2021-21-6-849-866.

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Research subject. A tectonic block of ophiolites, corresponding to the root zone of a sheeted dike complex, in the eastern part of the Revdinsky massif of the Platinum-bearing belt of the Urals (UPB).Materials and methods. Zircons for dating were collected in the first-generation dolerite dikes of the sheeted dike complex under study, which had been previously considered as Ordovician. U-Pb dating of zircons was performed by LA-ICP-MS on a NexION 300S quadrupole mass spectrometer with a laser ablation attachment NWR 213.Results. Zircons with an age of 425.6 ± 2.9 Ma are characterized by primar

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4

Bracciali, Laura, Randall R. Parrish, Matthew S. A. Horstwood, Daniel J. Condon, and Yani Najman. "UPb LA-(MC)-ICP-MS dating of rutile: New reference materials and applications to sedimentary provenance." Chemical Geology 347 (June 2013): 82–101. http://dx.doi.org/10.1016/j.chemgeo.2013.03.013.

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5

Schärer, Urs, Edith Wilmart, and Jean-Clair Duchesne. "The short duration and anorogenic character of anorthosite magmatism: UPb dating of the Rogaland complex, Norway." Earth and Planetary Science Letters 139, no. 3-4 (1996): 335–50. http://dx.doi.org/10.1016/0012-821x(96)00033-7.

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6

Evans, Jane, and Jan Zalasiewicz. "UPb, PbPb and SmNd dating of authigenic monazite: implications for the diagenetic evolution of the Welsh Basin." Earth and Planetary Science Letters 144, no. 3-4 (1996): 421–33. http://dx.doi.org/10.1016/s0012-821x(96)00177-x.

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7

Chen, Y. D., T. E. Krogh, and S. B. Lumbers. "Neoarchean trondhjemitic and tonalitic orthogneisses identified within the northern Grenville Province in Ontario by precise UPb dating and petrologic studies." Precambrian Research 72, no. 3-4 (1995): 263–81. http://dx.doi.org/10.1016/0301-9268(94)00094-8.

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8

Rasmussen, Birger, Ian R. Fletcher, and Janet R. Muhling. "Dating deposition and low-grade metamorphism by in situ UPb geochronology of titanite in the Paleoproterozoic Timeball Hill Formation, southern Africa." Chemical Geology 351 (August 2013): 29–39. http://dx.doi.org/10.1016/j.chemgeo.2013.04.015.

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9

Jones, C. E., A. N. Halliday, and K. C. Lohmann. "The impact of diagenesis on high-precision UPb dating of ancient carbonates: An example from the Late Permian of New Mexico." Earth and Planetary Science Letters 134, no. 3-4 (1995): 409–23. http://dx.doi.org/10.1016/0012-821x(95)00128-y.

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10

Tucker, R. D., T. E. Krogh, R. J. Ross, and S. H. Williams. "Time-scale calibration by high-precision UPb zircon dating of interstratified volcanic ashes in the Ordovician and Lower Silurian stratotypes of Britain." Earth and Planetary Science Letters 100, no. 1-3 (1990): 51–58. http://dx.doi.org/10.1016/0012-821x(90)90175-w.

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11

Krogh, T. E., S. L. Kamo, and B. F. Bohor. "Fingerprinting the K/T impact site and determining the time of impact by UPb dating of single shocked zircons from distal ejecta." Earth and Planetary Science Letters 119, no. 3 (1993): 425–29. http://dx.doi.org/10.1016/0012-821x(93)90150-8.

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12

Vatrushkina, E. V., M. I. Tuchkova, and S. D. Sokolov. "Suprasubduction volcanism of Chukotka terrane in the late jurassic– early cretaceous (Arctic region, Russia)." Геотектоника, no. 6 (November 17, 2019): 78–91. http://dx.doi.org/10.31857/s0016-853x2019678-91.

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Abstract The age and geodynamic position of the volcanic source of the Upper JurassicLower Cretaceous deposits of Western Chukotka were determined. Products of synchronous volcanism were revealed by detailed lithological studies. Following sedimentological analysis results we established an admixture of pyroclastic material in the Oxford-Kimmeridgian deposits of the Chukotka microcontinent, indicating the effect of synchronous volcanism on sedimentation. It was shown that the source of pyroclastic material was the intraoceanic Kulpolney island arc, which existed in the northern part of the Pro

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13

Kozlov, P. S., S. V. Berzin, K. S. Ivanov, and D. S. Yudin. "Amphibole peridotite and hornblendite of the Schrisheimite Hill intrusion of the Revdinskiy massif (Ural Platinum Belt)." LITHOSPHERE (Russia) 23, no. 5 (2023): 721–39. http://dx.doi.org/10.24930/1681-9004-2023-23-5-721-739.

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Research subject. We studied the concentric-zonal massif (≈400 × 400 m) of amphibole-rich ultramafic rocks composed of amphibole peridotite (schriesheimite and amphibole wehrlite) with olivinite schlieren, pyroxenite and hornblendite located among gabbro at the Schrisheimite Hill in the Revdinskiy massif of the Ural Platinum Belt. The scope is characteristic of both of amphibole peridotites, which are extremely rare in the massifs of the Ural Platinum Belt, and the associated amphibole-rich ultramafic rocks. Aim. To expand the understanding of aqueous ultramafic magmatism in Ural Platinum Belt

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14

Young, D. "U_Pb zircon dating of tectonomagmatic events in the northern Arunta Inlier, central Australia." Precambrian Research 71, no. 1-4 (1995): 45–68. http://dx.doi.org/10.1016/0301-9268(94)00055-v.

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15

Black, L. "An assessment, based on U_Pb zircon data, of Rb_Sr dating in the Arunta Inlier, central Australia." Precambrian Research 71, no. 1-4 (1995): 3–15. http://dx.doi.org/10.1016/0301-9268(94)00053-t.

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16

Schulz, Bernhard, Joachim Krause, and Wolfgang Dörr. "A Protocol for Electron Probe Microanalysis (EPMA) of Monazite for Chemical Th-U-Pb Age Dating." Minerals 14, no. 8 (2024): 817. http://dx.doi.org/10.3390/min14080817.

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A protocol for the monazite (LREE,Y,Th,U,Si,Ca)PO4 in situ Th-U-Pb dating by electron probe microanalyser (EPMA) involves a suitable reference monazite. Ages of several potential reference monazites were determined by TIMS-U-Pb isotope analysis. The EPMA protocol is based on calibration with REE-orthophosphates and a homogeneous Th-rich reference monazite at beam conditions of 20 kV, 50 nA, and 5 µm for best possible matrix matches and avoidance of dead time bias. EPMA measurement of samples and repeated analysis of the reference monazite are performed at beam conditions of 20 kV, 100 nA, and

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17

Lestari, Linayati, Rona Tanjung, Karol Teovani Ladon, and Rini Elfina. "PENGABDIAN DONOR DARAH PADA MASYARAKAT “SETETES DARAH UNTUK KEMANUSIAAN DITENGAH PANDEMI COVID-19 “." MINDA BAHARU 4, no. 2 (2020): 62. http://dx.doi.org/10.33373/jmb.v4i2.2697.

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Kegiatan pengabdian pada masyarakat ini bertujuan untuk menyosialisasikan donor darah kepada masyarakat ditengah pandemi covid-19 dan sebagai upaya membantu ketersediaan stok darah di Kota Batam. Selain itu tujuan lainnya adalah sebagai upaya mendorong peningkatan kepedulian semua elemen masyarakat dalam kegiatan sosial ditengah masa pandemi covid-19 serta mewujudkan pelaksanaan program pengabdian kepada masyarakat oleh Dosen di Perguruan Tinggi masing-masing, terutama di Kota Batam, Provinsi Kepulauan Riau. Melihat situasi menipisnya stok darah di Palang Merah Indonesia Kota Batam membuat dos

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18

Aquino de Melo, Helder, and Valéria Severina Gomes. "OS PARADIGMAS DE “TU” E “VOCÊ” NO CONTEXTO DATIVO NAS CARTAS PERNAMBUCANAS." PROLÍNGUA 15, no. 1 (2020): 54–66. http://dx.doi.org/10.22478/ufpb.1983-9979.2020v15n1.52197.

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O presente artigo dá continuidade a estudos prévios acerca do Português Brasileiro (PB) no tocante à inserção do “você” no paradigma pronominal e seu encaixamento nos demais contextos sintáticos (GOMES, 2014; LOPES e OLIVEIRA, 2018). Nesse sentido, visa ampliar os resultados desses estudos com a abordagem da relação sintática dativa em manuscritos pernambucanos dos séculos XIX e XX, tanto do ponto de vista do fator estrutural quanto social (LABOV, WEIRICH e HERZOG, 2006). Para essa discussão, tomou-se por base também a teoria do Poder e da Solidariedade (BROWN e GILMAN, 1960), a Teoria da Poli

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19

SHARDAKOV, Galina Yur’evna, and Mariya Vladimirovna CHERVYAKOVSKAYA. "Vendian-Cambrian granites of the Ufaley block (Middle Urals): a new isotope data, source composition, potential ore content." NEWS of the Ural State Mining University 1, no. 2 (2020): 48–63. http://dx.doi.org/10.21440/2307-2091-2020-2-48-63.

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Relevance. The junction zone between the Uralian mobile belt (UMB) and the East European Platform (EEP) is long, heterogeneous and characterized by asynchrony in the geodynamic settings. For many of its constituent parts, the age, source composition and ore content of magmatic complexes, which are necessary to build a complete picture of geological history, are not completely clear. The aim of this work is to study petrogeochemistry, age, isotopic parameters, and reconstruction of the source composition for granites of the Bitim complex in the eastern part of the Ufaley block (Middle Urals). T

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20

Savitri, Citra. "Analisis Kualiats Pelayanan Tenaga Kependidikan Terhadap Kepuasan Mahasiswa Universitas Buana Perjuangan Karawang ( studi kasus mahasiswa prodi manajemen)." Jurnal Manajemen & Bisnis Kreatif 2, no. 1 (2016). http://dx.doi.org/10.36805/manajemen.v2i1.180.

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ABSTRAK  Kemajuan sebuah perguruan tinggi salah satunya bergantung pada kompetensi yang dimiliki setiap sumber daya manusianya termasuk tenaga kependidikan. Menjadi perguruan tinggi yang unggul merupakan impian setiap lembaga pendidikan. UBP Karawang yang memiliki 10 Prodi andalan, yang salah satunya adalah Prodi Manajemen dengan jumlah mahasiswa sebanyak 241 yang teregristrasi pada angkatan pertama menjadi pemicu lembaga untuk memberikan pelayanan terbaik agar sesuai harapan dan kebutuhan setiap mahasiswanya. Penelitian ini bertujuan untuk menganalisis tingkat kinerja tenaga kepen

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21

Oliveira, João Vitor Saldanha de, Vanessa Leite, and Cristiane Gonçalves da Silva. "Entre "crushes", "ficadas" e "contatinhos": gênero e orientação sexual nas experiências de paquera de jovens estudantes." Sexualidad, Salud y Sociedad (Rio de Janeiro), no. 39 (2023). http://dx.doi.org/10.1590/1984-6487.sess.2023.39.e22209.a.

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Resumo Esse artigo é fruto de pesquisa desenvolvida em uma escola pública de ensino médio e discute como os marcadores de gênero e orientação sexual atravessam as experiências de paquera nessa instituição. Foram analisados materiais produzidos a partir de entrevistas, rodas de conversa e observações de inspiração etnográfica. A temática surge a partir do trabalho de campo quando os/as jovens apontam as relações de paquera como prática e assunto recorrente entre os/as estudantes. Sendo a escola um importante espaço de socialização juvenil, identificamos que para relações de paquera heterossexua

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22

Khmelevskaya, Anna P., Oleg F. Zholobov, and Georgiy A. Molkov. "PALEOGRAPHY AND ORTHOGRAPHY OF HANKENSTEIN CODEX." Gênero & Direito 8, no. 5 (2019). http://dx.doi.org/10.22478/ufpb.2179-7137.2019v8n5.48642.

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Hankenstein Code (Vienna Octoix) is the collection of liturgical texts dating by the XII-XIII centuries or by the beginning of the XIIIth century. Since 1804, the general descriptions of the collection appear in the works by I.A. Ganke von Gankenstein, J. Dobrovsky, S. Smal-Stotsky, A. Sobolevsky, Yu. Shevelev, G. Birkfellner. Nowadays, there is no satisfactory analysis of the Code text at all levels, including graphic one. In order to study the spelling and the paleographic features of the manuscript, the main text, the inscriptions and the drawings on the fields, ornaments, the material for

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23

Razgonov, S. A., та O. V. Shapovalov. "ABOUT THE UP-DATING OF THE REACTOR OF РОБС-1У TYPE PARAMETERS IN THE PROCESS OF THE ELABORATION OF THE REGULATING TABLE OF THE AUDIO FREQUENCY TRACK CIRCUITS (Eng)". Scientific Works of Vinnytsia National Technical University, № 1 (2022). http://dx.doi.org/10.31649/2307-5392-2022-1-1-6.

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24

Tawil, Muhammad Risal, and Ansar Ansar. "Analisis Positioning Politeknik Baubau Berdasarkan Perceptual Map Dengan Metode Multi-Dimensional Scaling." JPPI (Jurnal Penelitian Pendidikan Indonesia) 10, no. 4 (2024). http://dx.doi.org/10.29210/020243264.

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<span lang="EN-US">Sebagai perguruan tinggi yang sedang tumbuh dan berkembang, Politeknik Baubau dituntut mengembangkan keunggulan dan keunikan yang dimiliki agar mampu bersaing dengan perguruan tinggi lain disekitarnya. Untuk memperoleh keunggulan kompetitif, maka Politeknik Baubau harus mampu memanfaatkan strategi <em>segmentating, targetting,</em> dan <em>positioning </em>(STP) yang tepat agar dapat mendeskripsikan kedudukan Politeknik Baubau diantara perguruan tinggi kompetitor di Kota Baubau. Strategi pemosisian yang tepat dapat menjadi senjata ampuh untuk me

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25

., Editorial. "EDITORIAL." CIVICS: Jurnal Pendidikan Pancasila dan Kewarganegaraan 2, no. 1 (2017). https://doi.org/10.36805/civics.v2i1.290.

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CIVICS ISSN 2527-9742 ii JURNAL PENDIDIKAN PANCASILA DAN KEWARGANEGARAAN Volume 2, No 1, September 2017 EDITORIAL Para pembaca yang budiman, kami dari redaksi CIVICS Jurnal Pendidikan Pancasila dan Kewarganegaraan dengan bangga menghadirkan beberapa tulisan dari para penulis yang memperbincangkan seputar keilmuan Pendidikan Pancasila dan Kewarganegaraan dan ilmu pendidikan. Tulisan-tulisan tersebut merupakan hasil dari penelitian mendalam yang ditujukan untuk mengungkapkan tujuan penelitian yang diteliti oleh penulis. Artikel pertama ditulis oleh Edy Sofyan dan Ernandia Pandikar yang meneliti

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