The First Thought Mine is a gold mine located in Stevens county, Washington at an elevation of 2,900 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: 2,900 Feet (884 Meters)
Commodity: Gold
Lat, Long: 48.88389, -118.16111
Map: View on Google Maps
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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.
Mine Description
Location: Secs. 7 and 18, (39-37E).
Access: 3 mi. E. of railroad at Orient, on First Thought Mtn. Lookout road.
Property: 17 patented, 11 unpatented claims.
Owner: Gold Syndicate Corp., Spokane, Wash. (1949 --). First Thought Gold Mines Co., Ltd. (1905-1934). First Thought Mining Corp. 0937-1944).
Ore: Gold, silver.
Ore minerals: Pyrite, free gold.
Gangue: Quartz, calcite. Deposit: Mineralized zone 15 to 110 ft. wide in rhyolite porphyry and quartz latite. Richer ores in the zone occur at intersections of faults. Dev: 1112 mi. of workings on 7 levels. Assays: 40,000 tons of ore avo % oz. Au, 1f2 oz. Ag.
Production: $1,350,000 in gold prior to 1948. Produced 1904, 1906-1909, 1934-1942.
Source: Gold in Washington, Bulletin No. 42, 1955. State of Washington Division of Mines and Geology.
First Thought Mine MRDS details
Site Name
Primary: First Thought Mine
Commodity
Primary: Gold
Secondary: Silver
Location
State: Washington
County: Stevens
District: Orient District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Gold Syndicate Corp.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1904
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Okanogan Highlands
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Not available
Alterations
Not available
Rocks
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene
Analytical Data
Analytical Data: 40,000 TONS AVERAGED 0.75 OZ/TON AU AND 0.5 OZ/TON AG
Materials
Ore: Gold
Gangue: Pyrite
Gangue: Quartz
Comments
Comment (Workings): MINE DEVELOPED BY 3 ADITS, SHAFT, WINZE, AND 3 LEVELS TURNED FROM WINZE
Comment (Deposit): ORE IN BRECCIA ZONE NEAR CONTACT BETWEEN RHYOLITE AND LATITE WHERE CROSSED BY FAULTS
Comment (Deposit): DUPLICATE RECORD M056475 HAS BEEN DELETED.
References
Reference (Deposit): BANCROFT, HOWLAND, 1914, THE ORE DEPOSITS OF NORTHEASTERN WASHINGTON: USGS BULL. 550, P. 71-76
Reference (Deposit): WEAVER, C.E., 1920, THE MINERAL RESOURCES OF STEVENS COUNTY: WASH. GEOLOGICAL SURVEY BULL. 20, P. 258-260
Reference (Deposit): HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS PART II, METALLIC MINERALS: WASH. DIV. MINES AND GEOL. BULL. 37, V. 1, P. 169
Reference (Deposit): 1909 RECON BANCROFT, H. BULLETIN REPOR
Reference (Production): U.S.B.M. INFO. CIRC. 7872 P. 43
Washington Gold
"Where to Find Gold in Washington" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Washington.
