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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LC007345 | LAST CHANCE GULCH PLACER | HELENA PLACERS / OROFINO | HELENA | LEWIS AND CLARK |
MRDS | AMLI | MILS | Latitude | Longitude | Datum |
---|---|---|---|---|---|
D006880 | 300490312 | 46.5792 | -112.0711 |
Township | Range | Section | QSection | UTM Northing | UTM Easting | UTM Zone | UTM Datum |
---|---|---|---|---|---|---|---|
10N | 04W | 35 | D | 5158739 | 417928 | 12 |
Average Elevation | Elev Units | Land Owner | 250K Quad | 100K Quad | 24K Quad |
---|---|---|---|---|---|
F | BUTTE | ELLISTON | HELENA |
Property Type | Update Date | Who Updated |
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PLACER |
Commodities Identified |
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COPPER GOLD SILVER |
Information |
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Agency: NF Region District: R1 Ranger District: HELENA Forest Service Tract: Watershed Code: 10030101 Forest or Resource Area: HELENA Owner: M Impact: Report: In the Helena-Last Chance district (Krohn and Weist (1977), with a total production from 1864 to 1959 of 940,000 oounces of gold making it a medium sized deposit. Quaternary gravel was placered by surface cuts. |
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: N Comments: PLACER. |
Information |
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Gold: Y Silver: Titanium: Rare Earth Elements: Sapphire: Garnet: Tungsten: Platinum: Magnetite: Hematite: Pyrite: Commodity Ref: Lyden, C.J., 1948, The Gold Placers of Montana, MBMG Memoir 26, 152 p. Geologic Source: Lode; Skarn gold. Geologic Source Ref: Lyden, C.J., 1948, The Gold Placers of Montana, MBMG Memoir 26, 152 p. Lag: Transported: Y Type Comments: Placer gold derived from the lode deposits in Last Chance Gulch and its tributaries. Quaternary gravels. Gulch placer (23). Type Ref: McCulloch, Robin, Lewis, Bob, Keill, Don, and Shumaker, Matthew,, 2003, Applied gold placer exploration and evaluation techniques, MBMG Special Publication 115, 267 p. Unknown: Fine: Coarse: Comments: Size Ref: Finess: 0.889 Fineref: McCulloch, Robin, Lewis, Bob, Keill, Don, and Shumaker, Matthew,, 2003, Applied gold placer exploration and evaluation techniques, MBMG Special Publication 115, 267 p. Spoil pile: Wash pile: Wash over: Wash under: Waste Ref: Year Discovered: |
End of report. Retrieved 8/24/2024 11:27:59 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.