Description
Augustin Viarrial
Commodities
PrimaryBeryllium
Commodity typeM
Materials
Ore mineralsBeryl
GangueBiotite, Garnet, Microcline, Quartz
Geology
Host rockGneiss · Migmatitic Gneiss
Associated rockPegmatite · Pegmatite
StructureGunnison Uplift, Gunnison Uplift, Cimarron Fault, Nelson Gulch Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusOccurrence
Discovery year1943
Identification
Deposit ID10090051
MRDS IDD011381
RegionNA
Data scoreB
Coordinates38.44611, -107.46647
References
HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH 1942-1944: USGS PROF. PAPER 227, P. 81-82.HANSEN, W.R., 1971, GEOLOGIC MAP OF THE BLACK CANYON OF THE GUNNISON RIVER AND VICINITY, WESTERN COLORADO: USGS MAP I-584.