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Mine detail: Seven Hills-Yetter Ranch Pegmatite
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North America
United States
Colorado
Jefferson
Previously called ''
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Location
Lat / long:
39.6611, -105.32364
Resource(N)
Primary:
Feldspar, Mica, Quartz, Garnet, Gemstone
Ore:
Biotite, Garnet, Microcline, Muscovite, Quartz, Tourmaline
Production
Operation type:
Unknown
Production size:
None
Development status:
Occurrence
Geology
Host type:
Schist,Gneiss,Migmatite
References
MRDS
DC02495
DEP
10016947
Reference
{Deposit:: USBM MIN. EXAM. FILE, REPT. FOR 6/29/59}{Deposit:: CONSV. DIV. COMP. DATE, 3,64}
Reporter
Conservation Division Files