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Roadcuts, Kalama area, Cowlitz Co., Washington, USA

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Latitude & Longitude (WGS84): 46° 0' 30'' North , 122° 50' 39'' West
Latitude & Longitude (decimal): 46.00861,-122.84444
GeoHash:G#: c20tsxe7s
Köppen climate type:Csb : Warm-summer Mediterranean climate


Kalama area roadcuts


Mineral List

Mineral list contains entries from the region specified including sub-localities

14 valid minerals.

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

Holocene
0 - 0.0117 Ma



ID: 2929735
Alluvium

Age: Anthropocene (0 - 0.0117 Ma)

Description: Mostly unconsolidated silt, sand, and gravel valley fill with some clay; includes low-level terrace, marsh, peat, artificial fill, and glacial deposits locally.

Lithology: Major:{silt,sand}, Minor:{gravel}, Incidental:{peat, clay}

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]

Neogene
2.588 - 23.03 Ma



ID: 3186305
Cenozoic volcanic rocks

Age: Neogene (2.588 - 23.03 Ma)

Stratigraphic Name: Columbia River Basalt

Comments: Columbia Plateau

Lithology: Flood basalt(s); mafic volcanic rocks; basalt

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]

Eocene - Oligocene
33.9 Ma



ID: 1419164
Goble Volcanics

Age: Oligocene (33.9 Ma)

Lithology: Andesite flows

Reference: Washington State Department of Natural Resources, Division of Geology and Earth Resources. Washington Interactive Geologic Map: 1:100,000 scale. Washington Division of Geology and Earth Resources. [19]

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


Localities in this Region
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This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cannon, B. (1975) Minerals of Washington. Cordilleran Press, 184 pages (at p.49, 64, 69, 83).

Mineral and/or Locality  
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