Ore-Related Breccias, a Revised Genetic Classification, with Particular Reference to Epithermal Deposits
- Conference
- New Zealand Geothermal Workshop
- Year
- 1990
- Session
- Epithermal Mineralisation
- Language
- English
Full text
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Abstract
The causin brecciation in epithermal and mesothermal deposits intimately related to mineralisation. It is therefore necessary to establish both a enetic and descriptive for breccias in this . paper proposes a revision of the genetically-based erected by Sillitoe (1985). The most significant innovation is to distinguish between breccias formed by steady-state hydrothermal processes, and those formed by transient disturbances of a hydrothermal system, by renewed magmatism. This latter process can be particularly important in mineralisation.
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