The data below represent everything available in the MBMG Abandoned and Inactive Mines (AIM) database.
AIM Id | Name | Alternate Name | District | County |
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JF006641 | BIG FOUR | BIG FOOT | JEFFERSON |
MRDS | AMLI | MILS | Latitude | Longitude | Datum |
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300430409 | 46.1111 | -112.1736 |
Township | Range | Section | QSection | UTM Northing | UTM Easting | UTM Zone | UTM Datum |
---|---|---|---|---|---|---|---|
04N | 05W | 12 | CDBD | 5106813 | 409325 | 12 |
Average Elevation | Elev Units | Land Owner | 250K Quad | 100K Quad | 24K Quad |
---|---|---|---|---|---|
F | BUTTE | BUTTE NORTH | RATIO MOUNTAIN |
Property Type | Update Date | Who Updated |
---|---|---|
LODE | 4/9/1995 | JDL |
Commodities Identified |
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COPPER GOLD LEAD SILVER ZINC |
Information |
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Agency: NF Region District: R1 Ranger District: JEFFERSON Forest Service Tract: Watershed Code: 10020005 Forest or Resource Area: DEERLODGE Owner: P Impact: U Report: Big Four Two dry open shafts with several thousand feet of workings which follow a N72E striking vein of quartz, pyrite, galena, sphalerite, and chalcopyrite. Much altered granite with 1-2% disseminated pyrite is present on the dump, which is adjacent to a wetland. The dump contains 3,000-5,000 tons of material of 0.026 oz/ton gold, 1.28 oz/ton silver, 0.028% copper, 2.64% lead, and 0.090% zinc. Roby and others (1960) stated that between 1902 and 1945, the State mine produced 1,577 tons of ore, 82 oz of gold, 7,236 oz of silver, 4,037 pounds of copper, 272,203 pounds of lead, and 123,699 pounds of zinc. Our own sample of vein material indicated a similar grade, containing 0.084 oz/ton gold, 1.92 oz/ton silver, 0.229% copper, 4.20% lead, 7.18% zinc, and 6.60% arsenic. |
Information |
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Sample Id: BJBF-1 Material Type: WA Sample Method: COMP Comments: STRONGLY ALTERED GRANITE, QUARTZ, VERY FINE GRAINED 5-7% SULFIDE. |
Information |
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Mill Tailings: N Adit Discharge: N Metal Leaching: N Water Erosion: Y Residence: N Hazardous Materials: N Open Adit: N Visit: Y Comments: BUCHHOLZ; 7/92 |
End of report. Retrieved 5/1/2024 6:56:58 PM.
The preceding materials represent the contents of the databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user at the time and date of the retrieval. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. There may be data in the request area that are not recorded at the Bureau.