Commodities
PrimaryFluorine-Fluorite
TertiaryManganese
Commodity typeB
Deposit
Model174: Fluorspar deposits (fluorite veins)
Deposit sizeS
WorkingsSurface/Underground
Ore controlFault Breccia; Fault Zone Striking N30-50w, Dipping 65-85 Sw; Fractures
Materials
Ore mineralsFluorite
GangueBarite, Calcite, Chalcedony, Goethite, Hematite, Kaolinite, Manganite, Montmorillonite, Opal, Psilomelane, Pyrite, Pyrolusite, Quartz
Geology
Host rockGneiss · Banded Gneiss
Associated rockGneiss · Gneissic Quartz Monzonite
StructureSouthern Mosquito Range, Arkansas Valley Graben, Folds, Faults; N-Trending Fault Bounding Arkansas Valley
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationSilicification, Fluoritization
Economic & production
Development statusPast Producer
First production1927
Last production1949
Discovery year1923
Identification
Deposit ID10013774
MRDS IDD010249
Alternate namesKramer Mine, Lower Adit, Adit No. 1, Adit No. 2, Commercial Minerals, Inc., claims
RegionNA
Data scoreB
Coordinates38.65194, -106.06671
References
VAN ALSTINE, R.E., 1969, GEOLOGY AND MINERAL DEPOSITS OF THE PONCHA SPRINGS NE QUADRANGLE, CHAFFEE COUNTY, COLORADO: USGS PROFESSIONAL PAPER 626, 52 P.VAN ALSTINE, R.E. AND COX, D.C., 1969, FLUORSPAR MINES AND PROSPECTS, IN, GEOLOGY AND MINERAL DEPOSITS OF THE PONCHA SPRINGS NE QUADRANGLE, CHAFFEE COUNTY, COLORADO: USGS PROFESSIONAL PAPER 626, P. 38-43BRADY, B.T., 1975, MAP SHOWING FLUORSPAR DEPOSITS IN COLORADO: USGS MAP MR-70, 1:500,000, TEXTVAN DIVER, B.B., 1957, GEOLOGY OF THE CALUMET MINING DISTRICT, CHAFFEE COUNTY, COLORADO: UNIVERSITY OF COLORADO THESIS, P. 83.VANDERWILT, 1947, COLO. MINERAL RES. BOARDARGALL, 1949, COLO. SCH. MINES QUART., V. 44, NO. 2CONSV. DIV. COMP. DATE, 1,64USBM MINERAL EXAM. FILEMINE MAP REPO 404956RECK, W. H., 1943, KRAMER MINES, INC.: DECO TREFOIL MAGAZINE, ENGINEERING NOTEBOOK BULL. M4-B28, MAY 1943, 12 PP.