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Indian Head Rock, Basin, Jefferson Co., Montana, USAi
Regional Level Types
Indian Head Rock- not defined -
Basin- not defined -
Jefferson Co.County
MontanaState
USACountry

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Latitude & Longitude (WGS84): 46° 16' 13'' North , 112° 18' 39'' West
Latitude & Longitude (decimal): 46.27028,-112.31083
GeoHash:G#: c80phr1xz
Köppen climate type:BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Basin212 (2011)3.6km
Boulder1,207 (2017)15.1km
Jefferson City472 (2011)25.4km
Walkerville700 (2017)31.5km
Clancy1,661 (2011)33.0km


A baryte occurrence located 3.7 km W of Basin in the Deerlodge National Forest.

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
Reference: Barite Deposits in Montana; Victor C. DeMunck and Walter C. Ackerman, 1958
Quartz
Formula: SiO2
Reference: Barite Deposits in Montana; Victor C. DeMunck and Walter C. Ackerman, 1958
Quartz var: Chalcedony
Formula: SiO2
Reference: Barite Deposits in Montana; Victor C. DeMunck and Walter C. Ackerman, 1958

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4

List of minerals arranged by Dana 8th Edition classification

Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
var: Chalcedony-SiO2

List of minerals for each chemical element

OOxygen
O Quartz (var: Chalcedony)SiO2
O BaryteBaSO4
O QuartzSiO2
SiSilicon
Si Quartz (var: Chalcedony)SiO2
Si QuartzSiO2
SSulfur
S BaryteBaSO4
BaBarium
Ba BaryteBaSO4

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

Cretaceous
66 - 145 Ma



ID: 2112064
Elkhorn Mountains Volcanics

Age: Cretaceous (66 - 145 Ma)

Stratigraphic Name: Elkhorn Mountains Volcanics

Lithology: Major:: {andesite, quartz latite, basalt}

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]

Cretaceous
66 - 145 Ma



ID: 3187684
Mesozoic intrusive rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Intrusive igneous 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]

Campanian
72.1 - 83.6 Ma



ID: 2822233
Elkhorn Mountains Volcanics

Age: Late Cretaceous (72.1 - 83.6 Ma)

Stratigraphic Name: Elkhorn Mountains Volcanics

Description: Light gray to dark gray, grayish red, greenish gray, and brown mostly andesitic to latitic welded tuff and tuff breccia, tuff, lapilli tuff, lava flows, flow breccia, and related hypabyssal intrusive rock. Subordinate quartz latitic welded tuff and basalt flows.

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:{andesite,latite}, Minor:{hypabyssal,quartz latite,basalt}

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 Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
DeMunck, Victor C. and Walter C. Ackerman (1958) Barite Deposits in Montana.
USGS GNIS FID: 785268


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