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Maxville Phosphate Mine, Granite Co., Montana, USA

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Latitude & Longitude (WGS84): 46° 26' 50'' North , 113° 13' 40'' West
Latitude & Longitude (decimal): 46.44722,-113.22778
GeoHash:G#: c2r2prqn9
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate


REF:Deposit:: POPOFF, C.C., 1965, AN EVALUATION OF THE WESTERN PHOSPHATE
Deposit:: INDUSTRY AND ITS RESOURCES, PART 2, MONTANA, USBM RI 6611.
Deposit:: LUFT, STANLEY, 1958, NORTHERN PACIFIC RAILWAY COMPANY,
Deposit:: PROPERTIES AND INDUSTRIAL DEVELOPMENT
Commodities (Major) - Phosphorus-Phosphates; (Trace) - Uranium, Fluorine-Fluorite
Development Status: Unknown


Commodity List

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


No minerals currently recorded for this locality.

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 Macrostrat.org

Mesoproterozoic
1000 - 1600 Ma



ID: 2120418
Bonner Quartzite

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Bonner Quartzite

Lithology: Major:: {feldspathic quartzite}; Minor:: {conglomerate}

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]

Mesoproterozoic
1000 - 1600 Ma



ID: 2826001
Upper Missoula Group: McNamara, Bonner, and Mount Shields Formations; locally includes lower Libby Formation in northwestern Montana

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: McNamara Formation; Bonner Quartzite; Mount Shields Formation; Libby Formation

Description: McNamara Formation: Dense green and red siltite and argillite in mudcracked couplets containing diagnostic chert beds and rip-up clasts. Thickness as much as 1,650 m (5,413 ft). Bonner Formation: Pink, cross-bedded, feldspathic, medium- to coarse grained quartzite. Thickness as much as 580 m (1,903 ft). Mount Shields Formation: Upper part: red quartzite, siltite, and argillite in mud-cracked couples and couplets with abundant salt casts. Lower part: light gray, flat-laminated, feldspathic, fine-grained quartzite. Thickness as much as 2,000 m (6,562 ft). In northwestern Montana - Libby Formation:Light to dark gray and greenish gray siltite and argillite with subordinate quartzite in mud-cracked couplets. Thickness as much as 2,300 m (7,546 ft).

Lithology: Major:{metasiltstone,argillite,quartzite}, Incidental:{chert, salt}

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]

Mesoproterozoic
1000 - 1600 Ma



ID: 3186914
Mesoproterozoic sedimentary and volcanic rocks

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Purcell Group

Comments: Omineca Belt

Lithology: Mafic-intermediate volcanic rocks; limestone,shale,argillite,quartzite,dolomite,siltstone; turbidite

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]

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



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