phyllic altered rock (Q161334): Difference between revisions
From geokb
(Created a new Item: Added new rock class item from Geoscience Ontology GSRM data) |
(Changed an Item: Updated rock class item with Geoscience Ontology GSRM subclass data) |
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Latest revision as of 17:10, 24 October 2023
Altered rock characterised by the assemblage of quartz + sericite + pyrite, and occurs at high temperatures and moderately acidic (low pH) conditions. Typically associated with copper porphyry ore deposits in calc-alkaline rocks.
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | phyllic altered rock |
Altered rock characterised by the assemblage of quartz + sericite + pyrite, and occurs at high temperatures and moderately acidic (low pH) conditions. Typically associated with copper porphyry ore deposits in calc-alkaline rocks. |
