Rockhounding.org

Minerva J Mine

US / CO
39.09806, -105.42002View on MapOpen in Google Maps
No rating yet

About this location

Minerva J Mine is a known mineral occurrence in Park, Colorado, documented by the USGS Mineral Resources Data System. The mineralization is hosted in Granite, within the Central Cordillera (Southern Rocky Mountains) setting. Reported specimens include Azurite, Beryl, Cassiterite, Chalcopyrite, Chrysocolla, Copper; logged ore minerals are Cassiterite, Chalcopyrite, Covellite, Euclase, Galena, Molybdenite, Pyrite, Sphalerite, Uraninite, Wolframite; gangue is recorded as Fluorite, Muscovite, Quartz, Siderite, Topaz. The site was discovered in 1955; workings are surface/underground.

Always seek permission where required, follow local laws, and practice Leave No Trace. Locations and details are community-submitted and may be inaccurate. Not sure what's legal here? Read our full guide to rockhounding laws by land type.

Found Here

AzuriteBerylCassiteriteChalcopyriteChrysocollaCopperCovelliteEuclaseFluoriteGalenaIronMalachiteMolybdeniteMuscovitePyriteQuartzSideriteSphaleriteTopazUraniniteWolframite

Geology and deposit

Host rock
Granite
Associated rock
Redskin Granite — Granite
Orebody form
CUPOLAS, PODS, IRREGULAR LENSES
Tectonic setting
Central Cordillera (Southern Rocky Mountains)
Ore minerals
CassiteriteChalcopyriteCovelliteEuclaseGalenaMolybdenitePyriteSphaleriteUraniniteWolframite
Gangue minerals
FluoriteMuscoviteQuartzSideriteTopaz
Structure

Tarryall Mountains, Front Range, Puma Hills, Badger Flats, Badger Flats Fault, Minor Faults, Round Mountain Syncline

Ore control

Greisenized Rocks; Localized By Fissures, Contacts, Favorable Rock Units

Alteration

Greisenization

Mining history

Status
Occurrence
Workings
Surface/Underground
Discovered
1955

Records and references

Cited references

HAWLEY, C.C., 1969, GEOLOGY AND BERYLLIUM DEPOSITS OF THE LAKE GEORGE (OR BADGER FLATS) BERYLLIUM AREA, PARK AND JEFFERSON COUNTIES, COLORADO: USGS PROFESSIONAL PAPER 608-A, 44 P. MEEVES, H.C., 1966, NONPEGMATITIC BERYLLIUM OCCURRENCES IN ARIZONA, COLORADO, NEW MEXICO, UTAH, AND FOUR ADJACENT STATES: USBM REPORT OF INVESTIGATIONS 6828, P. 25-34. HAWLEY, C.C. AND GRIFFITTS, W.R., 1968, DISTRIBUTION OF BERYLLIUM, TIN, AND TUNGSTEN IN THE LAKE GEORGE AREA, COLORADO: USGS CIRCULAR 597, 18 P. HAWLEY, C.C. AND WOBUS, R.A., 1977, GENERAL GEOLOGY AND PETROLOGY OF THE PRECAMBRIAN CRYSTALLINE ROCKS, PARK AND JEFFERSON COUNTIES, COLORADO: USGS PROFESSIONAL PAPER 608-B, 77 P. & &SIEMS, P.L., 1963, BERYLLIUM: COLORADO SCHOOL OF MINES MINERAL INDUSTRIES BULLETIN, V. 6, NO. 3, 15 P. WORCESTER, P.G., 1919, MOLYBDENUM DEPOSITS OF COLORADO: CGS BULLETIN 14, P. 73-74.

Data: USGS Mineral Resources Data System, record 10087841view the source record

Difficulty

Access
N/A
Find
N/A
Votes
0

Getting there

No details yet.

Location on Map

Coordinates: 39.09806, -105.42002

Recommended Gear for Colorado

Estwing E3-22P Rock Pick

Estwing E3-22P Rock Pick

The industry-standard 22oz geological hammer. One-piece forged steel with shock-reduction grip.

Clear Anti-Fog Safety Glasses (4 Pack)

Clear Anti-Fog Safety Glasses (4 Pack)

Adjustable, anti-fog lenses for clear vision in any conditions. About $5 per pair.

Watertight Medical Kit

Watertight Medical Kit

Compact, waterproof first aid kit with bandages, moleskin, and field essentials.

Southwest Treasure Hunter's Gem and Mineral Guide

Southwest Treasure Hunter's Gem and Mineral Guide

Whether you're digging for the first time or are an experienced rockhound or "prospector," with a simple rock hammer and...

Clicking these links supports rockhounding.org at no extra cost to you — it's how we keep these maps and resources free for everyone.

Comments

Comments

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

No comments yet.

Logbook Records

No public logs yet

Be the first to share your experience at this location!