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UO 2561 - McMahn Branch, Polk County, Oregon, USA
Lat/Long (Decimal) | 44.9789,-123.183 |
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Co-ordinates Derivation | based on nearby landmark |
Given Location | Oregon, United States |
Mindat.org Region (for given coordinates) | Polk County, Oregon, USA |
Collections
Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
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Rickreall (UO 2562) - #45 (Hickman) | Hickman C. J. S. (1969) | Eugene | Eugene Formation can be subdivided faunally: a lower unit correlating to the Keasey Fm, a middle unit correlating to the Gries Ranch Beds of WA, and a upper unit correlated with the Pittsburg Bluff Fm. Thickness of formation may be up to 15,000 feet, but probably around 5,000 feet. Most of the outcrops are scattered so it is difficult to estimate their relative stratigraphic placement | sandstone | 38 - 33.9 Ma Paleogene |
UO 2561 - McMahn Branch | Hickman C. J. S. (1969) | Eugene | Eugene Formation can be subdivided faunally: a lower unit correlating to the Keasey Fm, a middle unit correlating to the Gries Ranch Beds of WA, and a upper unit correlated with the Pittsburg Bluff Fm. Thickness of formation may be up to 15,000 feet, but probably around 5,000 feet. Most of the outcrops are scattered so it is difficult to estimate their relative stratigraphic placement | sandstone | 38 - 33.9 Ma Paleogene |
Recorded Fossils
References
Hickman C. J. S. (1969) The Oligocene marine molluscan fauna of the Eugene Formation in Oregon, University of Oregon Museum of Natural History Bulletin 16, 1-112 |
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!