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Detecting hydrothermal graphite deposition during metamorphism and gold mineralization

Record type: Article

Fourier Transform IR analyses of carbonaceous material from the Otago and Alpine Schists and the Macraes gold deposit of the South Island, New Zealand, show the progressive effects of graphitization during metamorphism and suggest that the majority of carbonaceous material identified at the Macraes deposit precipitated from hydrothermal fluids. Given that the distinction of sedimentary carbonaceous material from fluid-precipitated graphite is a key to better understanding the redox state of crustal rocks, ore depositional processes and the extent of carbon cycling in the crust, this study highlights the importance of IR spectroscopy in the characterization of reduced carbon-bearing rocks.

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Citation

Pitcairn, I.K., Roberts, S., Teagle, D.A.H. and Craw, D. (2005) Detecting hydrothermal graphite deposition during metamorphism and gold mineralization Journal of the Geological Society, 162, (3), pp. 429-432. (doi:10.1144/0016-764904-139).

More information

Published date: 2005

Identifiers

Local EPrints ID: 15680
URI: http://eprints.soton.ac.uk/id/eprint/15680
ISSN: 0016-7649
PURE UUID: 870cc13b-940c-4b19-9171-f6ef1d354fe9
ORCID for S. Roberts: ORCID iD orcid.org/0000-0003-4755-6703
ORCID for D.A.H. Teagle: ORCID iD orcid.org/0000-0002-4416-8409

Catalogue record

Date deposited: 13 May 2005
Last modified: 17 Jul 2017 16:48

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Contributors

Author: I.K. Pitcairn
Author: S. Roberts ORCID iD
Author: D.A.H. Teagle ORCID iD
Author: D. Craw

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