Synchrotron XFM data for Barnes_14304 (March 2019) ...
The Ni-Cu-(PGE) deposits of the Norilsk area in Siberia are some of the world’s most valuable ores, and played a role in the greatest mass extinction in Earth history. A unique feature is the presence of low-S, high PGE mineralisation. Based on previous synchrotron experiments we have hypothesized t...
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Format: | Dataset |
Language: | unknown |
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CSIRO
2024
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Online Access: | https://dx.doi.org/10.25919/3v3q-p259 https://data.csiro.au/collection/csiro%3A61926v1 |
Summary: | The Ni-Cu-(PGE) deposits of the Norilsk area in Siberia are some of the world’s most valuable ores, and played a role in the greatest mass extinction in Earth history. A unique feature is the presence of low-S, high PGE mineralisation. Based on previous synchrotron experiments we have hypothesized that these unusual ores may have formed by “bubble-rafting” of sulfide droplets on gas bubbles, and that the high PGE/S could be related to loss of S to the vapour phase during degassing. We will test this model by imaging a remarkable new suite of samples from recent exploration drilling. ... |
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