Castle Rock Springs Claim

US / CO

•37.59723, -107.81675View on Map Open in Google Maps

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About this location

Castle Rock Springs Claim is a known mineral occurrence in La Plata, Colorado, documented by the USGS Mineral Resources Data System. USGS records describe a Vein deposit hosted in Ouray Limestone (Limestone), within the Central Cordillera (Southern Rocky Mtns) setting. Reported specimens include Azurite, Calcite, Chrysocolla, Copper, Gold, Malachite; logged ore minerals are Malachite; gangue is recorded as Calcite. The site was discovered in 1833.

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Found Here

AzuriteCalciteChrysocollaCopperGoldMalachite

Geology and deposit

Deposit type: Vein
Host rock: Ouray Limestone — Limestone
Associated rock: Electra Lake Gabbro — Monzonite, Gabbro
Tectonic setting: Central Cordillera (Southern Rocky Mtns)
Deposit model: 85: Polymetallic veins

Ore minerals

Malachite

Gangue minerals

Calcite

Structure

San Juan Uplift, Needle Mtns Uplift

Ore control

Fault Zone Cutting Limestones

Mining history

Status: Occurrence
Discovered: 1833

Records and references

Cited references

SCOTT, D.C., 1983, MINERAL INVESTIGATION OF THE WEST NEEDLE WILDERNESS STUDY AREA AND THE BLM WEST NEEDLE CONTIGUOUS WILDERNESS STUDY AREA, LA PLATA AND SAN JUAN COUNTIRES, COLORADO: USBM MLA 35-83, P. 18. BARKER, FRED, 1969, PRECAMBRIAN GEOLOGY OF THE NEEDLE MOUNTAINS, SOUTHWESTERN COLORADO: USGS PROF. PAPER 644-A. CROSS, WHITMAN, AND HOLE, A.D., 1910, DESCRIPTION OF THE ENGINEER MOUNTAIN QUADRANGLE: USGS FOLIO 171. BLM MINERAL SURVEY MS 1779

Data: USGS Mineral Resources Data System, record 10014199 — view the source record

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Location on Map

Coordinates: 37.59723, -107.81675

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