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PHYLONIAN ROCKS
Miscellaneous
- Family: None
- Region: None
- Mined At: Unspecified
- Raw Mineral: Yes
- Generic: No
Notes
(Richard Willis)
Fine-grained rocks (typically structured in fissures as veins or loads) which have the same chemical make-up as the rocks of their origins, deposited by magma emissions at plutonic depths. Some occurrences, such as pegmatite dikes, are surface or near surface locations.
Authors
- Richard Willis (Owner)
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