Commodities
PrimarySilver, Gold
SecondaryCopper, Lead
Commodity typeM
Deposit
Deposit typeVein
Model85: Polymetallic veins
Deposit sizeS
WorkingsUnderground
Materials
Ore mineralsChalcopyrite, Gold
GangueQuartz
Geology
Host rockSandstone,Limestone · Entrada Sandstone;Pony Express Limestone Member Of Wanakah Formation
Associated rockDiorite · Porphyritic Rocks--Diorite-Monzonite Porphyry
StructureSan Juan Uplift, Four Corners Platform, La Plata Dome, May Day-Idaho Fault System
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationAlteration Of Cu Sulfide
Economic & production
Development statusPast Producer
First production1875
Last production1932
Discovery year1875
Identification
Deposit ID10101872
MRDS IDD010829
Alternate namesPatented Claims: Morovoratz, MS 88, Morovoratz, MS 91, Jumbo, MS 19879
RegionNA
Data scoreB
Coordinates37.35473, -108.08009
References
ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 69-70, 132, PL. 23.COLORADO DIV. MINES INF. REPTS.BLM MINERAL SURVEYS MS 88, 91, 19879ECKEL AND OTHERS, 1949, P. 132 (AS COMPILED FROM USBM RECORDS)