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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JF007585 | CATARACT | BASIN | JEFFERSON |
MRDS | AMLI | MILS | Latitude | Longitude | Datum |
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46.34 | -112.2308 |
Township | Range | Section | QSection | UTM Northing | UTM Easting | UTM Zone | UTM Datum |
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07N | 05W | 21 | DBDC |
Average Elevation | Elev Units | Land Owner | 250K Quad | 100K Quad | 24K Quad |
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6550 | BUTTE | BUTTE NORTH | MOUNT THOMPSON |
Property Type | Update Date | Who Updated |
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LODE | 3/26/1995 | JDL |
Information |
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Agency: NF Region District: R1 Ranger District: JEFFERSON Forest Service Tract: Watershed Code: 10020006 Forest or Resource Area: DEERLODGE Owner: P Impact: L Report: Cataract The Cataract is a large mine on private land for which there is no information in the existing literature. At the site, 2 caved shafts and 3 caved adits explore at least three due west trending veins that apparently lie in the eastern continuation of the Sirius shear zone. The veins contain the typical Boulder batholith assemblage of quartz, siderite, pyrite, and chalcopyrite, and the quartz monzonite wallrock is altered to quartz, sericite, and pyrite. A select sample of the vein ran .035 oz/ton Au, 8.86 oz/ton Ag, .150% Cu, .039% Pb, and .070% Zn, so unlike the Sirius on the same vein system, the Cataract was probably operated for its silver value. Two discharges issue from the workings; one flows directly into a tributary of Cataract Creek. A gravity mill apparently operated on the site as there are about 1000 tons of tailings in the Cataract Creek floodplain on mixed national forest and private land. A composite sample of the tailings contained .053 oz/ton Au, 2.37 oz/ton Ag, .084% Cu, .51% Pb, and .150% Zn. |
Information |
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Sample Id: JJCA-1 Material Type: VE Sample Method: SELECT Comments: |
Information |
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Mill Tailings: N Adit Discharge: N Metal Leaching: N Water Erosion: N Residence: N Hazardous Materials: N Open Adit: N Visit: Y Comments: VISITED BY MBMG GEOLOGIST JEFF LONN; SUMMER; 1992. |
Information |
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Investigator: J. LONN Date: 7/1/1992 Photos Available?: Access: Nearest Wetlands/Bog: Drainage Basin: Water Contact Stream: Nearest Surface Water Intake: Number of Surface Water Intake(s) observed within 15 miles downstream: Uses of Surface Water Intake(s) observed within 15 miles downstream: Nearest Wells (miles): Number of Wells within 4 miles: Uses of Wells within 4 miles: Nearest Dwelling (miles): Number of Months Occupied: Number of Houses within 2 miles: Recreational Usage on Site: Nearest Recreational Area (miles): Name or Type of Recreational Area: Safety Risk from Open Adit/Shaft: Safety Risk from Highwall or Unstable Slopes: Safety Risk from Unstable Structures: Safety Risk from Chemicals: Safety Risk from Solid Waste (includes sharp rusted items): Safety Risk from Explosives: Sensitive Environments within 2 miles of Site or 15 miles Downstream: Population within 0-0.25 miles: Population within 0.25-0.5 miles: Population within 0.5-1 miles: Population within 1-2 miles: Population within 2-3 miles: Population within 3-4 miles: Public Interest: |
End of report. Retrieved 8/24/2024 11:39:12 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.