Description
R.G. Morrison And J.L. Wilson (Claimants)
Commodities
PrimaryGold, Copper, Silver
SecondaryZinc
TertiaryNickel, Lead
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formLENTICULAR, TABULAR, PIPE, PINCH AND SWELL
Ore controlFault Or Ca-Rich Metamorphosed Gabbro Near Edge Of Pluton
Materials
Ore mineralsGalena, Pyrite, Sphalerite, Tenorite
GangueApatite, Augite, Labradorite
Geology
Host rockAmphibole Schist · Idaho Springs Formation---Hornblende Gneiss And Amphibolite;Idaho Springs Formation---Feldspar-Rich Gneiss
Associated rockQuartz Monzonite,Pegmatite · Pegmatite;Silver Plume Quartz Monzonite
StructureFront Range Uplift, Denver Basin, Bear Creek Shear Zone, Floyd Hill Fault Zone
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationOxidation Of Cu Ore Mineral
Economic & production
Development statusPast Producer
First production1888
Discovery year1866
Identification
Deposit ID10013747
MRDS IDD010208
Alternate namesMorrison, Claims: Malachite
RegionNA
Data scoreB
Coordinates39.67777, -105.26447
References
SHERIDAN, D.M., AND OTHERS, 1972, GEOLOGIC MAP OF THE EVERGREEN QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-786-A.HEILAND, C.A., AND OTHERS, 1945, GEOPHYSICAL SURVEYS AT THE MALACHITE MINE, JEFFERSON COUNTY, COLORADO: AIME TECH. PUB. 1947.HUFF, L.C., 1963, COMPARISON OF GEOLOGICAL, GEOPHYSICAL, AND GEOCHEMICAL PROSPECTING METHODS AT THE MALACHITE MINE, JEFFERSON COUNTY, COLORADO: USGS BULL. 1098-C.LINDGREN, WALDEMAR, 1908, NOTES ON COPPER DEPOSITS IN CHAFFEE, FREMONT, AND JEFFERSON COUNTIES, COLO.: USGS BULL. 340, P. 157-174.MOREHOUSE, G.E., 1950, GEOLOGY OF THE MALACHITE MINE, JEFFERSON COUNTY, COLORADO: COLORADO SCHOOL OF MINES M.SC. THESIS T-675.LOVERING, T.S., AND GODDARD, E.N., 1950, GEOLOGY AND ORE DEPOSITS OF THE FRONT RANGE, COLORADO: USGS PROF. PAPER 223, P. 64, 68."MINERAL RESOURCES OF COLO." MINE MAP REPO # 403134 [copied from deleted record 10142442]MOREHOUSE (1950)