Redoubt_Volcano_geologic_map.png
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Summary
| Description |
English:
Redoubt Volcano geologic map. Jtk is the Jurassic Talkeetna Formation, Jqd is Jurassic quartz diorite, tonalite and diorite, Kqd is Cretaceous quartz diorite, Kg are Cretaceous plutonic rocks, Qdf are Quaternary (Holocene) debris flows, Qv are QUaternary volcanic rocks, Qhv are Quaternary (Holocene) volcanic rocks, Qmf are Quaternary (Holocene) volcanic rubble and mudflows, Twf is the Tertiary (eocene and Paleocene) West Foreland Formation, and Ttyh is the Tertiary (Miocene and Oligocene) Kenair Group Tyonek Formation and Hemlock Conglomerate
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| Date | |
| Source |
Bedrock geologic map of the northern Alaska Peninsula area, southwestern Alaska: U.S. Geological Survey Scientific Investigations Map 2942, pamphlet 43 p., scale 1:350,000, https://doi.org/10.3133/sim2942 https://pubs.er.usgs.gov/publication/sim2942 |
| Author | Wilson, F.H., Blodgett, R.B., Blome, C.D., Mohadjer, S., Preller, C.C., Klimasauskas, E.P., Gamble, B.M., and Coonrad, W.L. |
Licensing
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This image is in the
public domain
in the United States because it only contains materials that originally came from the
United States Geological Survey
, an agency of the
United States Department of the Interior
. For more information, see
the official USGS copyright policy
.
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