- Usage in publication:
-
- Fantastic lava beds
- Modifications:
-
- Mapped
- Dominant lithology:
-
- Lava
- AAPG geologic province:
-
- Southern Oregon basin
Summary:
Geologic map. Named on geologic map. Age is Cenozoic.
Mapped in Lassen Co., northeastern part of Lassen Volcanic National Park, northern CA.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1320).
- Usage in publication:
-
- Fantastic Lava Beds
- Modifications:
-
- Mapped
- Dominant lithology:
-
- Andesite
- AAPG geologic province:
-
- Southern Oregon basin
Summary:
Pg. 8-9, 21, 106 (pamphlet). Fantastic Lava Beds. Consists of 2 block-lava flows of sparsely porphyritic augite-olivine basaltic andesite erupted from south base of Cinder Cone. Age is Holocene, 1666 C.E. (Common Era) based on tree-ring dendrochronology (citing Sheppard and others, 2009, Dendrochronologia, v. 27, p. 213-221).
Notable exposures in Prospect Peak 7.5-min quadrangle, Lassen Volcanic National Park, Lassen Co., northern CA.
Source: Publication.
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).