Does SW China have Carlin-type gold deposits? A micro- to atomic-scale perspective

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Does SW China have Carlin-type gold deposits? A micro- to atomic-scale perspective. / Xie, Zhuojun; Gopon, Phillip; Xia, Yong et al.
In: Mineralium deposita, Vol. ??? Stand: 26. Februar 2024, No. ??? Stand: 26. Februar 2024, 2023, p. ??? Stand: 3. Jänner 2024.

Research output: Contribution to journalArticleResearchpeer-review

Harvard

Xie, Z, Gopon, P, Xia, Y, Douglas, J, Cline, J, Liu, J, Tan, Q, Xiao, J, Wen, Y, Chen, Y, Li, P & Moody, M 2023, 'Does SW China have Carlin-type gold deposits? A micro- to atomic-scale perspective', Mineralium deposita, vol. ??? Stand: 26. Februar 2024, no. ??? Stand: 26. Februar 2024, pp. ??? Stand: 3. Jänner 2024. https://doi.org/10.1007/s00126-023-01231-6

APA

Xie, Z., Gopon, P., Xia, Y., Douglas, J., Cline, J., Liu, J., Tan, Q., Xiao, J., Wen, Y., Chen, Y., Li, P., & Moody, M. (in press). Does SW China have Carlin-type gold deposits? A micro- to atomic-scale perspective. Mineralium deposita, ??? Stand: 26. Februar 2024(??? Stand: 26. Februar 2024), ??? Stand: 3. Jänner 2024. https://doi.org/10.1007/s00126-023-01231-6

Vancouver

Xie Z, Gopon P, Xia Y, Douglas J, Cline J, Liu J et al. Does SW China have Carlin-type gold deposits? A micro- to atomic-scale perspective. Mineralium deposita. 2023;??? Stand: 26. Februar 2024(??? Stand: 26. Februar 2024):??? Stand: 3. Jänner 2024. doi: 10.1007/s00126-023-01231-6

Author

Xie, Zhuojun ; Gopon, Phillip ; Xia, Yong et al. / Does SW China have Carlin-type gold deposits? A micro- to atomic-scale perspective. In: Mineralium deposita. 2023 ; Vol. ??? Stand: 26. Februar 2024, No. ??? Stand: 26. Februar 2024. pp. ??? Stand: 3. Jänner 2024.

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@article{3cdc6c851eb84aa892a76e2b8721ca5c,
title = "Does SW China have Carlin-type gold deposits?: A micro- to atomic-scale perspective",
abstract = "Actively mined Carlin-type gold provinces are only found in Nevada, USA, and SW China. Herein, we combined nanoscale secondary ion mass spectrometry and atom probe tomography to characterize the distribution of Au and As in pyrite from the micrometer to atomic scales from the Shuiyindong and Lannigou deposits, SW China, and compared this with a representative Nevadan deposit. Results show that invisible gold in both deposits occurs in complex micrometer and nanometer scale zones in the rims of pyrite. Within these oscillatory zones, Au is homogenously distributed rather than occurring as nanoclusters. This confirms that invisible gold is principally structure-bound Au, and that ore fluids were not saturated in Au. Gold deposition from undersaturated, arsenic containing, and ore fluids led to the formation of the giant Carlin-type gold deposits. Although not all high-As zones in the Lannigou pyrite contain high Au, all high-Au zones in both deposits contain elevated As. Arsenic is an important criterion for the incorporation of Au, but just because the fluid had high As does not necessarily imply it had/precipitated a high-Au pyrite. Gold atoms, in the Au–As rich zones of pyrite from both deposits, are surrounded by elevated concentrations of As compared to the matrix. Therefore, As both promotes Au incorporation into the pyrite and controls the maximum amount of structure-bound Au in the pyrite. Comparison of the Guizhou pyrite with Nevada pyrite reflects that the pyrite from the two districts exhibits the consistent nanometer- to atomic-scale characteristics. These similar nanometer- to atomic-scale characteristics further support the Guizhou deposits being classed as “Carlin-type.”",
keywords = "Invisible Gold, Atom probe tomography (APT), Carlin-type gold deposit, Au-As behavior",
author = "Zhuojun Xie and Phillip Gopon and Yong Xia and James Douglas and Jean Cline and Jianzhon Liu and Qinping Tan and Jingdan Xiao and Yuanyun Wen and Youwei Chen and Pan Li and Michael Moody",
note = "Publisher Copyright: {\textcopyright} 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.",
year = "2023",
doi = "10.1007/s00126-023-01231-6",
language = "English",
volume = "??? Stand: 26. Februar 2024",
pages = "??? Stand: 3. J{\"a}nner 2024",
journal = "Mineralium deposita",
issn = "0026-4598",
publisher = "Springer Berlin",
number = "??? Stand: 26. Februar 2024",

}

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TY - JOUR

T1 - Does SW China have Carlin-type gold deposits?

T2 - A micro- to atomic-scale perspective

AU - Xie, Zhuojun

AU - Gopon, Phillip

AU - Xia, Yong

AU - Douglas, James

AU - Cline, Jean

AU - Liu, Jianzhon

AU - Tan, Qinping

AU - Xiao, Jingdan

AU - Wen, Yuanyun

AU - Li, Pan

AU - Moody, Michael

A2 - Chen, Youwei

N1 - Publisher Copyright: © 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

PY - 2023

Y1 - 2023

N2 - Actively mined Carlin-type gold provinces are only found in Nevada, USA, and SW China. Herein, we combined nanoscale secondary ion mass spectrometry and atom probe tomography to characterize the distribution of Au and As in pyrite from the micrometer to atomic scales from the Shuiyindong and Lannigou deposits, SW China, and compared this with a representative Nevadan deposit. Results show that invisible gold in both deposits occurs in complex micrometer and nanometer scale zones in the rims of pyrite. Within these oscillatory zones, Au is homogenously distributed rather than occurring as nanoclusters. This confirms that invisible gold is principally structure-bound Au, and that ore fluids were not saturated in Au. Gold deposition from undersaturated, arsenic containing, and ore fluids led to the formation of the giant Carlin-type gold deposits. Although not all high-As zones in the Lannigou pyrite contain high Au, all high-Au zones in both deposits contain elevated As. Arsenic is an important criterion for the incorporation of Au, but just because the fluid had high As does not necessarily imply it had/precipitated a high-Au pyrite. Gold atoms, in the Au–As rich zones of pyrite from both deposits, are surrounded by elevated concentrations of As compared to the matrix. Therefore, As both promotes Au incorporation into the pyrite and controls the maximum amount of structure-bound Au in the pyrite. Comparison of the Guizhou pyrite with Nevada pyrite reflects that the pyrite from the two districts exhibits the consistent nanometer- to atomic-scale characteristics. These similar nanometer- to atomic-scale characteristics further support the Guizhou deposits being classed as “Carlin-type.”

AB - Actively mined Carlin-type gold provinces are only found in Nevada, USA, and SW China. Herein, we combined nanoscale secondary ion mass spectrometry and atom probe tomography to characterize the distribution of Au and As in pyrite from the micrometer to atomic scales from the Shuiyindong and Lannigou deposits, SW China, and compared this with a representative Nevadan deposit. Results show that invisible gold in both deposits occurs in complex micrometer and nanometer scale zones in the rims of pyrite. Within these oscillatory zones, Au is homogenously distributed rather than occurring as nanoclusters. This confirms that invisible gold is principally structure-bound Au, and that ore fluids were not saturated in Au. Gold deposition from undersaturated, arsenic containing, and ore fluids led to the formation of the giant Carlin-type gold deposits. Although not all high-As zones in the Lannigou pyrite contain high Au, all high-Au zones in both deposits contain elevated As. Arsenic is an important criterion for the incorporation of Au, but just because the fluid had high As does not necessarily imply it had/precipitated a high-Au pyrite. Gold atoms, in the Au–As rich zones of pyrite from both deposits, are surrounded by elevated concentrations of As compared to the matrix. Therefore, As both promotes Au incorporation into the pyrite and controls the maximum amount of structure-bound Au in the pyrite. Comparison of the Guizhou pyrite with Nevada pyrite reflects that the pyrite from the two districts exhibits the consistent nanometer- to atomic-scale characteristics. These similar nanometer- to atomic-scale characteristics further support the Guizhou deposits being classed as “Carlin-type.”

KW - Invisible Gold

KW - Atom probe tomography (APT)

KW - Carlin-type gold deposit

KW - Au-As behavior

UR - http://www.scopus.com/inward/record.url?scp=85176616254&partnerID=8YFLogxK

U2 - 10.1007/s00126-023-01231-6

DO - 10.1007/s00126-023-01231-6

M3 - Article

VL - ??? Stand: 26. Februar 2024

SP - ??? Stand: 3. Jänner 2024

JO - Mineralium deposita

JF - Mineralium deposita

SN - 0026-4598

IS - ??? Stand: 26. Februar 2024

ER -