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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MA007259 | BOULDER COBALT MINE | BOULDER COBALT / RAINBOW | TIDAL WAVE | MADISON |
MRDS | AMLI | MILS | Latitude | Longitude | Datum |
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300570170 | 45.5975 | -112.1214 |
Township | Range | Section | QSection | UTM Northing | UTM Easting | UTM Zone | UTM Datum |
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03S | 04W | 5 | DBDC | 5050339 | 412546 | 12 |
Average Elevation | Elev Units | Land Owner | 250K Quad | 100K Quad | 24K Quad |
---|---|---|---|---|---|
8900 | F | DILLON | BUTTE SOUTH | NOBLE PEAK |
Property Type | Update Date | Who Updated |
---|---|---|
LODE | 4/7/1995 | PAH |
Commodities Identified |
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C COPPER GOLD LEAD SILVER |
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: N Impact: Report: Boulder Cobalt This property was described in detail by Cather and Linne (1983), who also mapped the one open adit. On the property, veins, shears, and altered areas in Archean gneiss extend for at least .25 miles. The veins have diverse orientations, and contain quartz, pyrite, secondary copper minerals, and siderite, and average 1.4 feet thick. Some very high gold values occur sporadically, with the best values from 27 samples being 2.140 oz/ton gold, 1.2 oz/ton silver, and .35% copper (Cather and Linne, 1983). A NE-striking breccia zone contains no sulfides and low metal values. Mineralization may be related to a small granitic stock nearby. Today there are 5 caved adits and one locked portal. Total length of workings is just over 1000 feet. All workings are dry. Dumps contain unaltered gneiss and gneiss with siderite as an alteration product. The Boulder Cobalt Mine is located adjacent to Upper Boulder Lake. Waste rock piles near the mine shaft have been moved and leave little indication as to the original dumps. The site consists of an open, flooded shaft and a spring emanating from the base of a waste rock pile. Sulfides were present but not abundant in the waste rock piles. JBCG10M: This will be a groundwater sample obtained from the shaft. The sample will be collected with a point-source bailer at the greatest depth possible. The sample will be analyzed for Dissolved Metals and Total Recoverable Metals. JBCS10M: Located at the head of the small spring at the base of the waste rock pile near the shaft. The sample will be analyzed for Dissolved Metals and Total Recoverable Metals. Discharge will be measured by means of a dam-pipe-bucket and stopwatch. |
Type | Condition | Ground Water | Photos Available? | Photo Numbers | Ownership | Comments |
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S01 | PART | FLOW | Y | JBC1 | NF |
Sample Id | Sampler | pH | SC | Date | TempC | Flow Rate | Flow Units | Flow Method | Source | Ind No | Veg | Stain | Salt | Sulf | Turb | Location Related to Stream | Stream | Sedimention | Photos Available? | Photo Numbers | Remarks |
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JBCG10M | JRB | 6.74 | 385.6 | 10/21/1992 | 7 | 0 | SHAFT | N | N | N | N | N | DRY BOULDER CREEK | NO | N | JBC1 | |||||
JBCS10M | JRB | 6.69 | 252 | 10/21/1992 | 7.4 | 2.73 | GPM | BUCK | WASTE | N | N | N | N | N | DRY BOULDER CREEK | NO | Y | JBC2 | Probably related to shaft water |
Information |
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Mill Tailings: N Adit Discharge: N Metal Leaching: N Water Erosion: Y Residence: N Hazardous Materials: N Open Adit: Y Visit: Y Comments: LONN; 10/92 |
Type | Number | Condition | Photos Available | Photo Numbers | Comments |
---|---|---|---|---|---|
MB01 | 1 | P | Y | JBC1 | HEAD FRAME OVER SHAFT |
Type | Wind Erosion | Veg | Rill | Gully | Seep | Pond | Breach | None | Stability | Floodplain | Dist Stream | Photos Available? | Photo Numbers |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
WA01 | LOW | MOD | Y | N | Y | N | N | LOW | OUT | 100 | Y |
Type | Latitude | Longitude | UTM_N | UTM_E | UTM_Z | Size Open Length | Size Open Width | Elevation | Elevation Units |
---|---|---|---|---|---|---|---|---|---|
S01 | 45.5975 | -112.121388888889 | 6 | 6 | 9100 | F |
Information |
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Investigator: J. METESH Date: 10/1/1992 Photos Available?: Y Access: 4W Nearest Wetlands/Bog: 3 Drainage Basin: BOULDER CREEK Water Contact Stream: Y Nearest Surface Water Intake: 3 Number of Surface Water Intake(s) observed within 15 miles downstream: 6 Uses of Surface Water Intake(s) observed within 15 miles downstream: IRRIGATION Nearest Wells (miles): 9 Number of Wells within 4 miles: 4 Uses of Wells within 4 miles: DOMESTIC Nearest Dwelling (miles): 9 Number of Months Occupied: 12 Number of Houses within 2 miles: 4 Recreational Usage on Site: H Nearest Recreational Area (miles): 0.5 Name or Type of Recreational Area: FISHING Safety Risk from Open Adit/Shaft: Safety Risk from Highwall or Unstable Slopes: Safety Risk from Unstable Structures: Y 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: 0 Population within 0.25-0.5 miles: 0 Population within 0.5-1 miles: 0 Population within 1-2 miles: 0 Population within 2-3 miles: 0 Population within 3-4 miles: 0 Public Interest: M |
End of report. Retrieved 5/1/2024 5:27:43 AM.
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.