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54995
c2f4ad9b83859442a4556dd6ada86455c0d44a35
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36-4-015: mineralized phonolite - Cripple Creek District - Portland Mine
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Details
Specimen Number
36-4-015
Alternate Number
18722
Comments
Phonolite dike; ubiquitous very fine-grained disseminated pyrite.
In Teaching Collection
No
Mineral(s)
feldspar
nepheline
pyrite
Rock Name
mineralized phonolite
District
Cripple Creek
Mine
Portland
External Link
Mindat
Geo-Location
8th level.
Deposit Type
Diatreme
Geo-Coords
[
1
]
Donated By
University of Wisconsin-Madison Department of Geoscience
OCR
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36-4-015: mineralized phonolite - Cripple Creek District - Portland Mine
. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/54995