The Nine Mile Placer is a gold mine located in Missoula county, Montana at an elevation of 4,160 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: 4,160 Feet (1,268 Meters)
Commodity: Gold
Lat, Long: 47.2347, -114.69720
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.
Nine Mile Placer MRDS details
Site Name
Primary: Nine Mile Placer
Secondary: Bay Chief
Commodity
Primary: Gold
Location
State: Montana
County: Missoula
District: Nine Mile
Land Status
Land ownership: National Forest
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
Owner Name: Eddy Peak Mining Co.
Percent: 25.00
Owner Name: U.S. Antimony Corp.
Percent: 75.00
Home Office: 1250 Prospect Creek Road, PO Box 643, Thompson Falls MT 59873
Production
Year: 1948
Time Period: 1874-1948
Mined: 3.900 mt
Material type: gold
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Placer Au-PGE
Operation Type: Placer
Mining Method: Unknown
Years of Production:
Organization:
Significant: Y
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Model Name: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Exploration): 1874 - DISCOVERED. 1908 - AVE. GRADE 0.980 FINE GOLD. 1909 - PRODUCTION OF $7,550 IN GOLD, 6 OZ. SILVER. 1910 - PRODUCTION OF $4,521 (INCLUDES LODE MINE). 1911 - PRODUCTION OF $16,777 IN GOLD (INCLUDES ONE LODE MINE). 1912 - PRODUCTION OF $11,590 IN GOLD (INCLUDES 2 LODE MINES). 1913 - PRODUCTION OF $11,190 IN GOLD (INCLUDES 2 LODE MINES). 1914 - PRODUCTION OF $21,034 9INCLUDES 2 LODE MINES) ALSO INCLUDES 63 OZ SILVER. 1915 - PRODUCTION OF 9 PLACERS ONLY; $3,637 IN GOLD AND 5 OZ SILVER. 1916 - PRODUCTION OF 10 PLACERS; $2,225 IN GOLD AND 3 OZ. SILVER. 1917 - PRODUCTION OF 4 PLACERS; $570 IN GOLD. 1918 - PRODUCTION UNREPORTED. 1919 - PRODUCTION OF 6 PLACERS AND 1 LODE MINE: $1,972 IN GOLD AND SILVER. 1920 - PRODUCTION UNREPORTED. 1921 - PRODUCTION OF 6 PLACERS; $1,348 IN GOLD AND 2 OZ. SILVER. 1922 - PRODUCTION OF 3 PLACERS; $364 IN GOLD (HYDRAULICKING). 1923-1926 - PRODUCTION UNREPORTED. 1927 - PRODUCTION OF $511 IN GOLD. 1929 - PRODUCTION OF $360 IN GOLD. 1930 - PRODUCTION OF 6 PLACERS; $1,358 IN GOLD. 1931 - PRODUCTION OF 7 PLACERS; $1,067 IN GOLD. 1932 - PRODUCTION OF 10 PLACERS; 2,016 IN GOLD. 1933 - PRODUCTION OF 7 PLACERS; PRODUCTION OF $4,952 IN GOLD (239.55 OZ). 1934 - PRODUCTION OF $32,249 (923 OZ) GOLD FROM 16 PLACERS AND 1 LODE MINE. 1935 - PRODUCTION OF $13,041 (372.37 OZ) GOLD AND 11 OZ SILVER FROM 12 PLACERS. 1936-1937 - NO PRODUCTION REPORTED. 1938 - PRODUCTION OF 129 OZ GOLD AND 14 OZ SILVER FROM 11 PLACERS. 1942 - PRODUCTION OF 1,696 OZ GOLD AND 3 OZ SILVER. 1944 - PRODUCTION OF $595 IN GOLD (17 OZ) FROM 4 PLACERS. 1945 - PRODUCTION OF $345 IN GOLD (10 OZ) FROM 2 PLACERS. 1946 - PRODUCTION OF $79,799; 2,276 OZ GOLD AND 42 OZ SILVER. 1947 - PRODUCTION OF $69,644; 1,989 OZ GOLD AND 32 OZ SILVER. 1948 - PRODUCTION OF $3,325; 95 OZ GOLD. 1955 - PRODUCTION UNREPORTED. 1985-1986 - LAST YEARS MINES PRODUCED ACCORDING TO MBMG FILES. 1987-1988 - RECLAMATION WORK BY US ANTIMONY CORP, THOMPSON FALLS, MT.
Comment (Names): OTHER NAMES OF CLAIM GROUPS INCLUDE KENNEDY CREEK, BOYD, CRYSALIS, GOLDEN SNAKE, HARD CHANCE, MARION CREEK, MARTINA GROUP, MCCORMICK CREEK
Comment (Location): LOCATION IS APPROXIMATE. INCLUDES PLACERS IN KENNEDY CREEK, JOSEPHINE CREEK, ST. LOUIS GULCH, EUSTACHE (EUSTASH) GULCH, PINE CREEK, MARION CREEK, MCCORMICK CREEK, DRY GULCH, AND NINE MILE CREEK (SAHINEN, 1957).
Comment (Deposit): ?PLACERS ARE CONTAINED IN A BELT ABOUT THREE MILES WIDE AND 14 MILES LONG (LYDEN, 1987). PLACERS IN THE LOWER NINE MILE VALLEY ARE LOCATED ON THE SOUTHWEST SIDE OF THE NINEMILE FAULT SCARP (SW OF THE BREAK IN SLOPE ON THE TOPOGRAPHIC MAP) AND NORTHEAST OF NINEMILE CREEK. NORTH OF BURNT FORK CREEK, THE PLACERS MAY BE ASSOCIATED WITH AN INTRUSIVE
Comment (Commodity): GOLD IS 980 FINE
Comment (Geology): LEWIS AND CLARK LINE; OSBURN FAULT IS SIX MILES TO THE SOUTH; NINE MILE FAULT IS TO THE NORTHEAST (HAS BOTH STRIKE-SLIP AND DIP-SLIP MOVEMENT); THRUST FAULTING SOUTHEAST AND EAST OF THE MINES. (COLSON, 1984)
Comment (Geology): ASSOCIATED WITH THE NINEMILE FAULT; SOURCES OF THE GOLD MAY BE ?SEDIMENTARY HORIZON(S) WITHIN THE PRITCHARD FORMATION AND/ORQUARTZ LATITE PORPHYRY INTRUSIONS (APPARENTLY STRUCTURALLY CONTROLLED BY THE NINEMILE FAULT)? (WALL, 1983).
Comment (Workings): WORKED BY DRAGLINE OR DRY-LAND DREDGE; ALSO WORKED BY HYDRAULICKING AND SLUICING (SAHINEN, 1957)
Comment (Production): 1908 TO 1955 TOTAL PRODUCTION FROM THE DISTRICT WAS OVER $480,000 (SAHINEN, 1957) FROM 1904 TO 1946, $337,000 IN GOLD RECOVERED (IN 11 SEASONS BETWEEN THOSE YEARS), (LYDEN, 1987) 125,000 OZ. PRODUCED FROM 1874 TO 1999 FROM STREAM PLACERS (LANGE AND GIGNOUX, 1999) FINENESS OF GOLD APPROXIMATELY 980 FINE (LYDEN, 1948).
References
Reference (Deposit): MBM G IC 20, 1957 P.39
Reference (Deposit): SAHINEN, U.M., 1957, MINES AND MINERAL DEPOSITS, MISSOULA AND RAVALLI COUNTIES, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULLETIN NO. 8, 63 P.
Reference (Deposit): WALL, BARRIE, 1983, TRACE ELEMENT DISTRIBUTION IN PLACER GOLD AS AN INDICATION OF GOLD SOURCE IN THE PRICHARD FORMATION, BELT SUPERGROUP, MONTANA: IN GEOLOGICAL SOCIETY OF AMERICA, ABSTRACTS WITH PROGRAMS 1983, 79TH ANNUAL MEETING CORDILLERAN SECTION, P. 400
Reference (Deposit): LANGE, I.M., AND GIGNOUX, TOM, 1999, DISTRIBUTION, CHARACTERISTICS, AND GENESIS OF HIGH FINENESS GOLD PLACERS, NINEMILE VALLEY, CENTRAL-WESTERN MONTANA: ECONOMIC GEOLOGY AND THE BULLETIN OF THE SOCIETY OF ECONOMIC GEOLOGISTS, V. 94, NO. 3, P. 375-386.
Reference (Deposit): LYDEN, C.J., 1987, THE GOLD PLACERS OF MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY REPRINT 6, P. 70-72.
Reference (Deposit): LYDEN, C.J., 1948, THE GOLD PLACERS OF MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 26
Principal Gold Districts of Montana
In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.
