Delaware Shaft

Mineral County, Colorado, United States

Silver

Land & claims · BLM · live

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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

Deposit sizeSmall

WorkingsSurface/Underground

Materials

GangueMarcasite, Pyrite

Geology

Host rockRhyolite · Willow Creek Member Of Bachelor Mtn. Rhyolite

Associated rockRhyolite · Willow Creek Member Of Bachelor Mtn. Rhyolite

StructureSan Juan Volcanic Field; La Garita, Creede, And Bachelor Calderas, Alpha-Corsair Fault; Creede Graben

Tectonic settingCentral Cordillera (Southern Rocky Mtns)

AlterationIron Oxide Staining

Economic & production

Development statusPast Producer

Discovery year1894

Description

John C. Mackenzie

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References

EMMONS, W.H., AND LARSEN, E.S. 1923, GEOLOGY AND ORE DEPOSITS OF THE CREEDE DISTRICT, COLORADO: USGS BULL. 718, 198 P.STEVEN, T.A., AND RATTE, J.C., 1965, GEOLOGY AND STRUCTURAL CONTROL OF ORE DEPOSITION IN THE CREEDE DISTRICT, SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 487, 90 P.LINDEMANN, J.W., AND OTHERS, EDS., 1981, FIELD TRIP NOTES, CREEDE MINING DISTRICT, SAN JUAN VOLCANIC PROVINCE, COLORADO: DENVER REGIONAL EXPLORATION GEOLOGISTS SOC. GUIDEBOOK

Identification

Deposit ID10012323

MRDS IDD007882

RegionNA

Data scoreB

Coordinates37.85862, -106.96423