Mineralogical indicators of a degree of completion of ore-forming metasomatic processes in gold ore deposits of the Verkhoyansk-Kolyma fold area
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| RMS-DPI code: |
2007-1-104-0 |
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| Scientific session: |
Session 5. Crystal chemistry and crystal morphology of minerals |
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| Author listing: |
Alpatov V.V. |
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| Principal author: |
Alpatov Valery Vladimirovich |
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| Language: |
Russian |
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Abstract - Summary
(short description): | |
| In gold ore deposits of the region, metasomatic ores formed during the early beresite-type infiltration metasomaism and the late near-vein diffusion metasomatism, are differently abundant. Dependent on a degree of completion of metasomatic process, the early infiltration mineralization is able to form complete and incomplete metasomatic columns. Along with elevated contents of prismatic arsenopyrite (> 1-2%), the rocks from inner zones of complete columns with auriferous pyrite and prismatic pyrite representing the commercial impregnated ores are characterized by a high concentration of sulfide iron (> 50%), reduced iron content in carbonates and sericite syngenetic to sulfides (< 0,2), pentagonal dodecahedron habit of late generations of pyrite metacrystals and their elevated gold and arsenic contents (> 2 mass %). |
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| RMS-DPI code: |
2007-1-104-0 |
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Proceeedings volume
in the RMS catalogue: | Crystallogenesis and Mineralogy |
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| Pages: |
222-224 |
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File of proceedings
(PDF): |
256 K
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| Status: |
printed |
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| Accepted: |
16/05/2007 |
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| Published on-line: |
05/01/2008 |
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| Permanent address of publication: |
http://www.minsoc.ru/2007-1-104-0/ |
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| Contact author(s): |
Alpatov, Valery Vladimirovich |
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