US Forest Service 007 (US Forest Service 7), Clackamas Co., Oregon, USA
Latitude & Longitude (WGS84): | 45° 26' 47'' North , 121° 50' 23'' West |
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Latitude & Longitude (decimal): | 45.44639,-121.83972 |
GeoHash: | G#: c216e3r02 |
Köppen climate type: | Csb : Warm-summer Mediterranean climate |
REF:Deposit:: OR. DEPT. GEOL. AND MIN. INDUST. SPECIAL PAPER 3, 1978,
Deposit:: PLATE 1, NO. 11.
Commodities (Major) - Stone - Crushed/Broken
Development Status: Past Producer
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
Quaternary 0 - 2.588 Ma ID: 1488023 | Late High Cascade Volcanics; Mt. Hood Volcano Age: Pleistocene (0 - 2.588 Ma) Description: Andesite of Hiyu Mountains; andesite Lithology: Major:: {andesite flows, olivine clots; mineralogy: clinopyroxene} Reference: R.L. Smith, W.P. Roe (compilers). Oregon Geologic Data Compilation, release 6. State of Oregon Department of Geology and Mineral Industries. [20] |
Calabrian - Zanclean 0.781 - 5.333 Ma ID: 2977411 | Basalt and basaltic andesite Age: Cenozoic (0.781 - 5.333 Ma) Description: Flows, flow breccia, and pyroclastic deposits. Flows are aphanitic to finely crystalline, commonly diktytaxitic, and aphyric to porphyritic. Textures are mostly intergranular grading to intersertal; some andesite flows are finely trachytic and a few basalt flows are subophitic. Phenocrysts, mostly unaltered, include bytownite and labradorite, olivine, calcic augite, and hypersthene. Flows and breccia form shields, lava cones, and valley fill; in places greatly dissected and modified by fluvial erosion. Includes Boring Lava of Trimble (1963) and Hampton (1972) and Battle Ax Basalts of Thayer (1936). Potassium-argon ages from this unit range from about 1.2 to 3.9 Ma; in places difficult to distinguish from youngest flows of unit Trb Lithology: Major:{basaltic andesite,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] |
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] |
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