US Forest Service-Basin Point, Clackamas Co., Oregon, USA
Latitude & Longitude (WGS84): | 45° 10' 55'' North , 121° 45' 55'' West |
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Latitude & Longitude (decimal): | 45.18194,-121.76528 |
GeoHash: | G#: c213j1j5z |
Locality type: | Point |
Köppen climate type: | Csb : Warm-summer Mediterranean climate |
REF:Deposit:: OR. DEPT. GEOL. AND MIN. INDUST. SPECIAL PAPER 3, 1978,
Deposit:: PLATE 1, NO. 108.
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: 1492447 | Late High Cascade Volcanics; Cascade Platform Lavas Age: Pleistocene (0 - 2.588 Ma) Description: Olivine basalt; basalt Lithology: Major:: {basalt flows, olivine phenocrysts} Minor:: {breccia, lithology: basaltic} Reference: R.L. Smith, W.P. Roe (compilers). Oregon Geologic Data Compilation, release 6. State of Oregon Department of Geology and Mineral Industries. [20] |
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] |
Miocene 5.333 - 23.03 Ma ID: 2736000 | Mafic vent complexes Age: Miocene (5.333 - 23.03 Ma) Description: Plugs, dikes, and related near-vent flows, breccia, cinders, and agglutinate of basalt, basaltic andesite, and andesite; commonly in the form of either little-modified lava cones or partly eroded piles of reddish, iron-stained thin flows and fragmental ejecta cut by mafic intrusions. May also include rocks of late Miocene(?) age Comments: Unit is in a north-south zone along crest of Cascades and includes Newberry volcano. Lithology: Major:{basaltic andesite,basalt,andesite} 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] |
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