Showing 141 - 160 results of 509 for search '"chondrite"', query time: 0.08s Refine Results
  1. 141

    Rare Earth Elements in Weathered Crusts of Granitic Rocksin SoutheastAsianTin Belt(Northern Thailand, Southern Thailand (Ranong-Takua Pa-Phuket) and Bangka Island, Indonesia) by , A. Imai

    Published 2009
    “…Since the slope of chondrite-normalized REE pattern of the weathered crust of the granitoids in northern and southern Thailand appear similar to those of the fresh granitic rocks, REE-bearing accessory minerals may be resistant agai nst weathering, and they may remain as residual phases. …”
    Article
  2. 142

    Petrogenesis of Garnet Clinopyroxenite and Associated Dunite in Hujialin, Sulu Orogenic Belt, Eastern China by Jianguo Liu, Jian Wang, Keiko Hattori, Zeli Wang

    Published 2022-01-01
    “…The garnet clinopyroxenite is low in heavy rare-earth elements (HREE, 5.97–10.6 ppm) and has convex spoon-shaped chondrite-normalized REE patterns, suggesting the garnet formed later, and its precursor is clinopyroxenite. …”
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    Article
  3. 143

    Titanite Spectroscopy and In Situ LA-ICP-MS U–Pb Geochronology of Mogok, Myanmar by Jialu Gu, Bo Xu, Shu Li, Yi Zhao

    Published 2022-07-01
    “…The two titanite crystals have similar chondrite-normalised rare earth element (REE) patterns with significantly Light Rare Earth Element (LREE) (La–Gd) enrichment and deletion of Heavy Rare Earth Element (HREE) (Tb–Lu). …”
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    Article
  4. 144

    Evolution of a Water-rich Atmosphere Formed by a Giant Impact on an Earth-sized Planet by Kenji Kurosaki, Yasunori Hori, Masahiro Ogihara, Masanobu Kunitomo

    Published 2023-01-01
    “…We find that a water-rich postimpact atmosphere forms when a basaltic or CI chondrite core is assumed. In contrast, little postimpact water is generated for an enstatite chondrite core. …”
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    Article
  5. 145
  6. 146

    Trace and Rare Earth Elements Geochemistry of the Mudstone Rocks from the Injana Formation: Implications for Provenance and Paleoclimate by Anwaar Al-Maadhidi, Lafta Kadhim, Mohamed Alkafaji

    Published 2023-08-01
    “…These samples were analyzed by ICP-MS to measure the concentrations of the trace and rare-earth elements (REE). The chondrite-normalized REE of all samples are similar and shows slight enrichment with LREE relative to the HREE with negligible negative Eu anomaly. …”
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    Article
  7. 147

    Characteristics of Rare Earth Elements in the Deep Carbonate Rocks and Their Geological Significance in the Dachang Tin-polymetallic Deposit of Guangxi by QIN Yan, WANG Deng-hong, LIANG Ting, LI Jiang-kang, HOU Ke-jun

    Published 2014-03-01
    “…The ratios of light rare earth elements and heavy rare earth elements (LREEs/HREEs) had a range of 2.96-10.04, which meant that there was a high degree of fractionation between light rare earth elements and heavy rare earth elements. δEu values varied between 0.11 and 1.00 and δCe values ranged from 0.53 to 0.99. The Chondrite-normalized distribution pattern chart was ‘right inclination’ LREE enrichment type. …”
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    Article
  8. 148

    Characteristics of Rare Earth Elements in the Deep Carbonate Rocks and Their Geological Significance in the Dachang Tin-polymetallic Deposit of Guangxi by QIN Yan, WANG Deng-hong, LIANG Ting, LI Jiang-kang, HOU Ke-jun

    Published 2014-03-01
    “…The ratios of light rare earth elements and heavy rare earth elements (LREEs/HREEs) had a range of 2.96-10.04, which meant that there was a high degree of fractionation between light rare earth elements and heavy rare earth elements. δEu values varied between 0.11 and 1.00 and δCe values ranged from 0.53 to 0.99. The Chondrite-normalized distribution pattern chart was ‘right inclination’ LREE enrichment type. …”
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    Article
  9. 149

    Molecular Asymmetry in Prebiotic Chemistry: An Account from Meteorites by Sandra Pizzarello

    Published 2016-04-01
    “…Carbonaceous Chondrite (CC) meteorites are fragments of asteroids, solar planetesimals that never became large enough to separate matter by their density, like terrestrial planets. …”
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    Article
  10. 150

    Niobium-zirconium chronometry and early solar system development. by Schönbächler, M, Rehkämper, M, Halliday, A, Lee, D, Bourot-Denise, M, Zanda, B, Hattendorf, B, Günther, D

    Published 2002
    “…We report Nb-Zr internal isochrons for the ordinary chondrite Estacado (H6) and a clast of the mesosiderite Vaca Muerta, both of which define an initial 92Nb/93Nb ratio of approximately 10(-5). …”
    Journal article
  11. 151

    The Winchcombe meteorite, a unique and pristine witness from the outer solar system by King, AJ, Daly, L, Rowe, J, Bryson, JFJ, Curtis, RJ, Warren, T, Bowles, N, Sridhar, S

    Published 2022
    “…Direct links between carbonaceous chondrites and their parent bodies in the solar system are rare. …”
    Journal article
  12. 152

    METARHYOLITES OF VRANICA MOUNTAIN IN PALEOZOIC OF CENTRAL BOSNIA by Vladimir Majer, Vesnica Garašić

    Published 2001-12-01
    “…Incompatible elements are enriched relative to the normalizing chondrite composition, pointing to the crustal origin of metarhyolite magma. …”
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    Article
  13. 153

    Classification of stony meteorites and chondrules – the case of meteorite Jesenice by Bojan Ambrožič, Sašo Šturm, Miha Jeršek, Breda Mirtič

    Published 2012-12-01
    “…In the first part of the paper there is a description about genesis of meteorites, in particularly about stony meteorites– chondrites, since meteorite Jesenice is an ordinary L chondrite. …”
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  14. 154

    REE geochemistry of auriferous quartz carbonate veins of Neoarchean Ajjanahalli gold deposit, Chitradurga schist belt, Dharwar Craton, India by S. Sarangi, R. Srinivasan, V. Balaram

    Published 2013-03-01
    “…REE composition of the carbonates of the auriferous quartz carbonate veins (QCVs) of the Neoarchean Ajjanahalli gold deposit, Chitradurga schist belt, Dharwar Craton, is characterized by U-shaped chondrite normalized REE patterns with both LREE and HREE enrichment and a distinct positive Eu anomaly. …”
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    Article
  15. 155

    Earth’s volatile contents established by melting and vaporisation by Norris, C, Wood, B

    Published 2017
    “…Pb, Zn, In, alkalis) relative to CI chondrites, the meteorites which compositionally most closely resemble the Sun. …”
    Journal article
  16. 156

    C- and S-rich molten alloy immiscibility and core formation of planetesimals by Corgne, A, Wood, B, Fei, Y

    Published 2008
    “…We present the results of melting experiments to 7.7 GPa and 2200 °C on a synthetic 'chondrite-like' composition suitable to model early planetesimal differentiation. …”
    Journal article
  17. 157

    Life on Earth can grow on extraterrestrial organic carbon by Annemiek C. Waajen, Cassio Lima, Royston Goodacre, Charles S. Cockell

    Published 2024-02-01
    “…In this research, an anaerobic microbial community was grown with the CM2 carbonaceous chondrite Aguas Zarcas as the sole carbon, energy and nutrient source. …”
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  18. 158

    Petrogenesis of Granitic Rocks in the Hisakajima Island, Goto Archipelago, Southwestern Japan: A Geochemical Study by Kazuhiro Koga, Motohiro Tsuboi

    Published 2021-02-01
    “…The amount of rare earth elements revealed the secondary addition of light rare earth elements through hydrothermal processes for the granites. Chondrite normalized rare earth element patterns revealed that the HFG rocks were not well differentiated.…”
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    Article
  19. 159

    Petrology, geochemistry and tectonomagmatic setting of Zajkan granitoid, Tarom-Hashtjin sub-zone, West of Qazvin by Amir abbas Seyedqaraeini, Mir Ali Asghar Mokhtari, Hossein Kouhestani

    Published 2019-11-01
    “…These diagrams indicate enriched LILEs along with negative anomalies of HFSEs. Chondrite-normalized REE patterns demonstrate LREE enrichment with high ratio of LREE/HREE and (La/Yb)N ratio between 6.1-9.1. …”
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    Article
  20. 160

    Geochemistry and petrogenesis of Eocene shoshonitic ‎and adakitic volcanic rocks in Sonajeel area ‎(Southeast of Heris, Eastern Azerbaijan)‎ by Nasibeh Nemati, Mehraj Aghazadeh, Zahra Badrzadeh

    Published 2018-11-01
    “…According to primitive mantle and chondrite normalized spider and REE diagrams, the studied rocks are characterized by LILE and LREE enrichment and pronounced depletion in HFS elements. …”
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    Article