Minnie Lynch Mine

The Minnie Lynch Mine is a copper, lead, and silver mine located in Saguache county, Colorado at an elevation of 10,735 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Minnie Lynch Mine

Commodity

Primary: Copper
Primary: Lead
Primary: Silver
Secondary: Gold
Secondary: Zinc
Tertiary: Manganese

Location

State: Colorado
County: Saguache
District: Bonanza (Kerber Creek)

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Sawatch Range, San Juan Volcanic Field, Rio Grande Rift

Type: L
Description: Bonanza Caldera

Alterations

Alteration Type: L
Alteration Text: Early Barren Stage Of Alteration By Fumarolic Or Acid-Hot Spring Activity Resulted In Intense Silicification, Wallrock Replacement By Jaspjasper And Alteration Products Hematite, Diaspore, Alunite Barite, Zunyite, Rutile, And Kaolin Minerals. Later Mineralizing Stage By Alkaline Or Neutral Solutions Deposited Ore And Gangue And Caused Micaceous Alteration (Sericite And Chlorite) And Calcite, Quartz, And Pyrite.

Rocks

Name: Latite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene

Name: Latite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene

Analytical Data

Analytical Data: GROSS CONTENT OF CRUDE ORE: 17% PB, 1% CU, 0.091 OZ/TON AU, 33.8 OZ/TON AG

Materials

Ore: Pyrite
Ore: Galena
Ore: Tennantite
Ore: Sphalerite
Gangue: Quartz
Gangue: Chlorite

Comments

Comment (Deposit): VEIN TRENDS N 85 W, 73 NE, AT DEPTH, THE WORKINGS SHOW THE VEIN DIP FLATTENING TO 45 TO 50 NE.

Comment (Workings): MINE DEVELOPED BY 3 OR 4 TUNNELS (CAVED NEAR PORTALS) DRIVEN NE TO ENE AND SEVERAL SHAFTS, MAIN TUNNEL HAS 90-FT DRIFT AND 25-FT WINZE DEVELOPED ALONG VEIN

Comment (Production): PATTON REPORTS PRE-1800 PRODUCTION OF ABOUT 60 TONS ORE VALUED AT $40/TON IN 1914, ABOUT 4 TONS ORE PRODUCED AND VALUED AT $79/TON.

Comment (Location): S-T-R, LAT-LONG, AND ELEV. TAKEN FROM BURBANK'S (1932) PLATE 1 (SCALE 1:12000). MINE OR CLAIM LIES NEAR TOP OF DIVIDE BETWEEN RAWLEY GULCH AND COPPER GULCH 1.3 MILES NE OF BONANZA ; INFO FROM LAND.ST :1976

References

Reference (Deposit): PATTON, H.B., 1916, GEOLOGY AND ORE DEPOSITS OF THE BONANZA DISTRICT, SAGUACHE COUNTY, COLORADO: COLORADO GEOLOGICAL SURVEY BULL. 9, 136 P.

Reference (Deposit): BURBANK, W.S., 1932, GEOLOGY AND ORE DEPOSITS OF THE BONANZA MINING DISTRICT, COLORADO: USGS PROF. PAPER 169, 166 P.

Colorado Mining Photos

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.