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Placer Gold Composition and Provenance Studies in the Kuznetskiy Alatau and Western Sayan, South-East Siberia: Results of Field Trip, Summer 2014

Paxman, G.J.G.; Gregory, B.S.; Payne, S.J.; Forshaw, J.B.; Brady, M.P.; Khan, M.D.; Avadanii, D.; Wardle, G.; Wills, J.J.; Kovin, O.N.; Naumova, O.B.; Osovetskiy, B.M.; Naumov, V.A.

Placer Gold Composition and Provenance Studies in the Kuznetskiy Alatau and Western Sayan, South-East Siberia: Results of Field Trip, Summer 2014 Thumbnail


Authors

B.S. Gregory

S.J. Payne

J.B. Forshaw

M.P. Brady

M.D. Khan

D. Avadanii

G. Wardle

J.J. Wills

O.N. Kovin

O.B. Naumova

B.M. Osovetskiy

V.A. Naumov



Abstract

This article presents the results of a study of gold samples obtained by students during a practical field trip in the summer of 2014. Placer gold samples retrieved from four rivers in southeast Siberia (Khakassia and Tyva territories) by panning and sluicing were described and analyzed compositionally by Scanning Electron Microscopy. There is evidence from grain flattening and morphology for significant variations in gold transport distance, both within and between sample locations. The composition and texture of gold is compared to similar studies in the Yukon, and it is inferred that most of the placer gold in the region originated from orogenic lode sources. This orogenic gold is of Devonian to Carboniferous age. There is also evidence for a contribution from igneous intrusion-related bedrock gold, which is supported by the presence of granite, granodiorite and sienite intrusions of Devonian age. There is scope for further study, since relatively few grains were analyzed here. In addition, if compositional data of the prospective primary gold deposits can be obtained, there would be potential for more precise determination of provenance.

Citation

Paxman, G., Gregory, B., Payne, S., Forshaw, J., Brady, M., Khan, M., …Naumov, V. (2015). Placer Gold Composition and Provenance Studies in the Kuznetskiy Alatau and Western Sayan, South-East Siberia: Results of Field Trip, Summer 2014. Vestnik Permskogo universiteta. Seriâ Geologiâ Вестник Пермского университета. Серия Геология (Online), 1(26), 44-59. https://doi.org/10.17072/psu.geol.26.44

Journal Article Type Article
Online Publication Date Mar 30, 2015
Publication Date Mar 30, 2015
Deposit Date Oct 27, 2015
Publicly Available Date Mar 29, 2024
Journal Vestnik Permskogo universiteta. Geologii͡a
Print ISSN 1994-3601
Electronic ISSN 2313-4798
Publisher Perm Sate National Research University
Peer Reviewed Peer Reviewed
Volume 1
Issue 26
Pages 44-59
DOI https://doi.org/10.17072/psu.geol.26.44

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