The Pacific Mine is a gold, silver, and copper mine located in Grant county, New Mexico at an elevation of 7,300 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
Elevation: 7,300 Feet (2,225 Meters)
Commodity: Gold, Silver, Copper
Lat, Long: 32.85083, -108.24194
Map: View on Google Maps
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.
Pacific Mine MRDS details
Site Name
Primary: Pacific Mine
Secondary: Hearst Shaft, Gillett Shaft, Thayer Shaft: Patented Claims
Secondary: Pacific
Secondary: South Extension Pacific
Secondary: Pacific No. 2,
Commodity
Primary: Gold
Primary: Silver
Primary: Copper
Secondary: Zinc
Secondary: Lead
Location
State: New Mexico
County: Grant
District: Pinos Altos District
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
Type: Underground
Ownership
Owner Name: Savannah Copper Co.
Home Office: Silver City, N.M.
Years: 1940 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1865
Year Last Production: 1955
Discovery Year: 1860
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland
Mineral Deposit Model
Not available
Orebody
Form: PINCH AND SWELL
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Propylitization, Sericitization
Rocks
Name: Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Galena
Ore: Chalcopyrite
Ore: Gold
Ore: Argentite
Ore: Sphalerite
Gangue: Quartz
Gangue: Calcite
Gangue: Pyrite
Gangue: Barite
Gangue: Rhodochrosite
Comments
Comment (Development): FIRST DEPOSIT MINED IN THE AREA.
Comment (Location): ACCURATE LOCATION IS FOR THE MAIN SHAFT ON THE PACIFIC NO. 2 CLAIM AS SHOWN ON USGS GEOLOGIC MAP GQ-865.
Comment (Production): PRODUCED MORE THAN $1,000,000 IN ORE BY 1905. ORE RANGED FROM $22 TO $10 PER TON IN AU AND AG; WITH AS MUCH AS 2.5% CU FOUND ON THE LOWER LEVELS OF THE MINE.
Comment (Deposit): THREE PATENTED CLAIMS MINERAL SURVEY NUMBERS 63, 64 AND 1566 COVERING 19.815 ACRES. VEIN (N25-46E, STEEP NW) IN DIORITE PORPHYRY TO NORTH AND ANDESITE BRECCIAS TO SOUTH. VEIN ABOUT 1200 M LONG. LINDGREN ET AL REPORTS THAT VEIN STRIKES N60E, DIPS 75NW, AND IS .8 M WIDE.
Comment (Workings): WORKINGS REPORTED IN 1910 CONSISTED OF THE HEARST AND GILLETT SHAFTS, A SHORT TUNNEL AND DRIFTS CONNECTING THE TWO SHAFTS. MINE DEVELOPED TO A DEPTH OF 180 M WITH EXTENSIVE WORKINGS ON 9 LEVELS. THE TWO SHAFTS HAVE EXTENSIVE STOPING.
Comment (Deposit): THIS RECORD INCLUDES DATA FROM RECORD D011730 BY RON WORL HAS BEEN DELETED FORM MRDS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
References
Reference (Deposit): LINDGREN, W., GRATON, L. C., AND GORDON, C. H., 1910 USGS PP 68, P. 297-299
Reference (Deposit): PAIGE, S., 1911 USGS BULL 470, P. 109-118
Reference (Deposit): BUSH, F. V., 1915 MINING AND ENGINEERING WORLD, VOL 42, NO 4, P. 165-168
Reference (Deposit): ANDERSON, E. C., 1957 NMBMMR BULL 39, P. 70-71
Reference (Deposit): JONES, W. R., MOORE, S. L., AND PRATT, W. P., 1970 USGS GEOLOGIC MAP, GQ-865
Reference (Deposit): NMBMMR GENERAL FILE DATA
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