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Camp Creek Placer, Melrose Mining District, Silver Bow Co., Montana, USAi
Regional Level Types
Camp Creek PlacerPlacer
Melrose Mining DistrictMining District
Silver Bow Co.County

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Lock Map
Latitude & Longitude (WGS84):
45° 42' 0'' North , 112° 31' 54'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
Twin Bridges394 (2017)23.3km
Butte-Silver Bow (Balance)33,525 (2013)24.5km
Butte34,190 (2011)33.8km
Walkerville700 (2017)37.1km
Sheridan677 (2017)37.6km

M.B.M.G. MEM. 26, 1948, P. 140-1
Commodities (Major) - Gold
Deposit Type: Placer
Development Status: Past Producer
Host Rock: Alluvium

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

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Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Mineral List

1 valid mineral.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Detailed Mineral List:

Formula: Au
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements

List of minerals arranged by Dana 8th Edition classification

Metals, other than the Platinum Group

List of minerals for each chemical element

Au GoldAu

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

Early Tertiary
33.9 - 66 Ma

ID: 3187686
Cenozoic volcanic rocks

Age: Paleogene (33.9 - 66 Ma)

Lithology: Volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

1000 - 1600 Ma

ID: 2120658
Newland Limestone and LaHood Formation, undivided

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Newland Limestone; LaHood Formation

Lithology: Major:: {(argillite, silty argillite)| (argillite, siltite)| (sedimentary conglomerate, sedimentary breccia, cobble-to-boulder conglomerate, quartz-pebble conglomerate, argillaceous lithic grit, arkose, shale, siltstone, sandstone)}; Minor:: {(marl, limestone)| (sandstone)| (pebble conglomerate, argillaceous grit)}

Reference: Zientek, M.L., P.D. Derkey, R.J. Miller, J.D. Causet et al. Spatial Databases for the Geology of the Northern Rocky Mountains - Idaho, Montana, and Washington. U.S. Geological Survey Open-File Report 2005-1235 Version 1.0. [25]

1000 - 1600 Ma

ID: 3022378
Newland and LaHood Formations

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Newland Formation; LaHood Formations

Description: Newland Formation (Yn): Dark bluish gray limestone. Thickness as much as 2,000 m (6,562 ft). LaHood Formation (Yla): Dark gray, dark brown, reddish brown, coarse, arkosic conglomerate locally with very large clasts derived from crystalline metamorphic rocks. Grades from mega-clast conglomerate to shale or argillite over short distances. Thickness as much as 3,000 m (9,842 ft).

Comments: Original map source: Vuke, S.M., Porter, K.W., Lonn, J.D., and Lopez, D.A., 2007, Geologic Map of Montana - Compact Disc: Montana Bureau of Mines and Geology: Geologic Map 62-C, 73 p., 2 sheets, scale 1:500,000. This map was digitized in 2012 as a result of a contract betwe

Lithology: Major:{limestone,conglomerate}, Minor:{shale,argillite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

USGS MRDS Record:10012865
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