Aldrich Mountains Group

Aldrich Mountains Group
Aldrich Mountains Group
Stratigraphic range: Triassic
Type	Group
Sub-units	Fields Creek Formation, Laycock Graywacke, Murderers Creek Graywacke, Keller Creek Shale
Location
Region	Oregon
Country	United States

Last updated January 18, 2026

The Aldrich Mountains Group is a geologic group in Oregon. It preserves fossils dating back to the Triassic period.^[2]

References

↑ E-An Zen (1966). "Stockbridge Formation" (PDF). U.S. Geological Survey Bulletin. 1244: A30–A30. ISSN 8755-531X. Wikidata Q79272672.
↑ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 19 August 2022. Retrieved 17 December 2021.

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[1] E-An Zen (1966). "Stockbridge Formation" (PDF). U.S. Geological Survey Bulletin. 1244: A30–A30. ISSN 8755-531X. Wikidata Q79272672.

[2] Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 19 August 2022. Retrieved 17 December 2021.

[1]

[2]

Aldrich Mountains Group

See also

References