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National Geologic Map Database
Geologic Unit: El Cajete
Map showing publication footprint
  • Usage in publication:
    • El Cajete flow
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • San Juan basin
Publication:

Kelley, V.C., Baltz, E.H., and Bailey, R.A., 1961, Road log; Jemez Mountains and vicinity, IN Northrop, S.A., ed., Guidebook of the Albuquerque country [New Mexico]: New Mexico Geological Society Field Conference Guidebook, no. 12, p. 47-62.


Summary:

Pg. 53 (fig. 5), 54. El Cajete flow. A post-Bandelier flow. Diagram shows the El Cajete between Battleship Rock flow below and Banco Bonito flows above. [Age is Pleistocene.]
El Cajete is low crater at base of Redondo Mountains, [approx. Lat. 35 deg. 50 min. 12 sec. N., Long. 106 deg. 33 min. 30 sec. W., in T. 19 N., R. 3 E., Redondo Peak 7.5-min quadrangle, in Valles Caldera National Preserve], Jemez Mountains, north-central NM. [Additional locality information from USGS historical topographic map collection TopoView, accessed December 9, 2012.]

Source: US geologic names lexicon (USGS Bull. 1350, p. 237).


Map showing publication footprint
  • Usage in publication:
    • El Cajete Member*
  • Modifications:
    • Principal reference
    • Revised
    • Adopted
  • Dominant lithology:
    • Rhyolite
    • Pumice
  • AAPG geologic province:
    • San Juan basin
Publication:

Bailey, R.A., Smith, R.L., and Ross, C.S., 1969, Stratigraphic nomenclature of volcanic rocks in the Jemez Mountains, New Mexico, IN Contributions to stratigraphy, 1968: U.S. Geological Survey Bulletin, 1274-P, p. P1-P19.


Summary:

Pg. P17-P18. El Cajete Member of Valles Rhyolite of Tewa Group is adopted by the USGS. Is a mantle-bedded air-fall deposit of rhyolite pumice lapilli and blocks. Maximum thickness about 250 feet. Underlies Banco Bonito Member of Valles Rhyolite. Age is Pleistocene; a charcoal sample collected from a thin ash-flow unit overlying El Cajete pumice was dated as greater than 42,000 yrs B.P. (Meyer Rubin, written commun., 1965).
Named from its source vent, El Cajete crater, which is about 2 mi south of Redondo, [approx. Lat. 35 deg. 50 min. 12 sec. N., Long. 106 deg. 33 min. 30 sec. W., in T. 19 N., R. 3 E., Redondo Peak 7.5-min quadrangle, in Valles Caldera National Preserve, Sandoval Co.], north-central NM. (Pronounced el kah-heh'-teh.) [Additional locality information from USGS historical topographic map collection TopoView, accessed December 9, 2012.]

Source: Publication; Changes in stratigraphic nomenclature, 1969 (USGS Bull. 1324-A, p. A5).


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 ([ ]).