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Hg-Cu-Bearing Metal-Sulfide Assemblage in the H3 Chondrite Tieschitz: Important Carriers of Pristine Hg and Possibly Cd-Isotopic Signatures in the Early Solar System

Caillet-Komorowski, C. and EIGoresy, A. and Miyahara, M. and Boudouma, O. and Ma, C. (2012) Hg-Cu-Bearing Metal-Sulfide Assemblage in the H3 Chondrite Tieschitz: Important Carriers of Pristine Hg and Possibly Cd-Isotopic Signatures in the Early Solar System. Meteoritics and Planetary Science, 47 (S1). A92-A92. ISSN 1086-9379. doi:10.1111/j.1945-5100.2012.01401_2.x. https://resolver.caltech.edu/CaltechAUTHORS:20121002-130414756

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Abstract

Here we report the study of a unique assemblage consisting of metallic Hg, cinnabar (HgS), native Cu and covellite (CuS) in the matrix of the Tieschitz H3 chondrite [1]. This finding allows for the first time to determine the isotopic abundance of the Hg isotopes both in matrix and chondrules. HgS is also the potential carrier of CdS. CdS should also allow accurate scrutiny of the isotopic signatures of Cd in chondrules and matrix [2, 3]. Hg- and Cu-sulfides occur mostly as alternating layers of cauliflower-like objects. Nanometer-sized native Hg spherules occur in spongy metallic Cu and within HgS and Cusulfides. Native Cu is mostly polycrystalline fine-grained aggregates.


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http://dx.doi.org/10.1111/j.1945-5100.2012.01401_2.xDOIUNSPECIFIED
http://onlinelibrary.wiley.com/doi/10.1111/j.1945-5100.2012.01401_2.x/abstractPublisherUNSPECIFIED
ORCID:
AuthorORCID
Ma, C.0000-0002-1828-7033
Additional Information:© 2012 Meteoritical Society. Issue published online: 6 Aug 2012. Article first published online: 8 Aug 2012.
Issue or Number:S1
DOI:10.1111/j.1945-5100.2012.01401_2.x
Record Number:CaltechAUTHORS:20121002-130414756
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20121002-130414756
Official Citation:The 75th Annual Meeting of the Meteoritical Society Cairns, Australia, 12-17 August, 2012. Meteoritics & Planetary Science, 47: A35–A436. doi: 10.1111/j.1945-5100.2012.01401_2.x
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:34634
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:02 Oct 2012 21:07
Last Modified:09 Nov 2021 23:09

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