Mine detail: Brown Derby No. 5

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Location: Gunnison County, Colorado, United States, North America
Lat / long: 38.55111, -106.63005
dep_id: 10009130
mrds_id: D001813
Commodity type: metallic
Major mineral: Niobium (Columbium), Tantalum
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Microlite
Reporter: Parker, Raymond L.
References:
  • STAATZ AND TRITES, 1955, GEOLOGY OF THE QUARTZ CREEK PEGMATITES, USGS PROF. PAPER 26
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