Delaware Mine

Custer County, Colorado, United States

Silver

Land & claims · BLM · live

Loading land status…

BLM MLRS ↗Claims at this point ↗Surface mgmt ↗

Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.

Commodities

PrimarySilver

Commodity typeMetallic

Deposit

Model82: Epithermal veins

Deposit sizeSmall

Ore controlMineralized Fissures, Trachyte Dikes

Geology

Host rockTrachyte,Andesite

Associated rockTrachyte,Andesite · Game Ridge Trachyte;Rosita Andesite

StructureRosita Volcanic Center, Wet Mtns, Mineralized Fissures, Possibly Continuation Of Nearby Faults

Tectonic settingCentral Cordillera (Southern Rocky Mtns)

AlterationStrong Argillization

Economic & production

Development statusPast Producer

Community notes

No community notes yet. Be the first to add field knowledge, history, or access tips.

Contribute

References

SIEMS, P.L., 1967, VOLCANIC AND ECONOMIC GEOLOGY OF THE ROSITA HILLS AND SILVER CLIFF DISTRICTS, CUSTER COUNTY, COLORADO: COLORADO SCHOOL MINES, D. SC. THESIS, T 1042, 222 P.SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.

Identification

Deposit ID10101733

MRDS IDD008057

RegionNA

Data scoreB

Coordinates38.11112, -105.36085