Gayer, R. and Rickard, David ![]() |
Official URL: https://doi.org/10.1130/0091-7613(1994)022%3C0035:...
Abstract
Geochemically significant concentrations of particulate gold in the Westphalian coals of the South Wales coalfield are situated on the coal cleat and are associated with a complex sulfide assemblage. Gold grains up to 100 μm long and more than 20 μm thick display a colloform microtexture, suggesting an origin through late Variscan, low-temperature ground-water circulation. These discoveries provide additional constraints on the timing and rates of coal evolution.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Earth and Environmental Sciences |
Publisher: | Geological Society of America |
ISSN: | 0091-7613 |
Last Modified: | 25 Oct 2022 13:29 |
URI: | https://orca.cardiff.ac.uk/id/eprint/119977 |
Citation Data
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