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Geologic Unit: Blanco
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Map showing publication footprint
  • Usage in publication:
    • Blanco sandstone
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Sandstone
    • Conglomerate
  • AAPG geologic province:
    • Mojave basin
Publication:

Krueger, M.L., 1943, Chino area [California], IN Jenkins, O.P., and others, Geologic formations and economic development of the oil and gas fields of California; in four parts, including outline geologic map showing oil and gas fields and drilled areas: California Division of Mines Bulletin, no. 118, pt. 3, p. 362-363.


Summary:

Pg. 363 (fig. 150). Blanco sandstone. Coarse sandstone with some pebble conglomerate. Shown on structure section as underlying Cubierto shale (new) and overlying Papel Blanco shale (new). [Age is late Miocene.]
Recognized locally southwest of Chino fault in San Bernadino Co., southern CA.

Source: Publication; US geologic names lexicon (USGS Bull. 1200, p. 383).


Map showing publication footprint
  • Usage in publication:
    • Blanco sandstone
  • Modifications:
    • Revised
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Mojave basin
Publication:

Woodford, A.O., Moran, T.G., and Shelton, J.S., 1946, Miocene conglomerates of Puente and San Jose Hills, California: American Association of Petroleum Geologists Bulletin, v. 30, no. 4, p. 514-560. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Pg. 521. Blanco sandstone (in Puento formation). Light-colored medium- and coarse-grained sandstone 337 feet thick. Upper part of Puente. Measured section noted. Recognized in southern California. Age is late Miocene.
Exposed in Slaughter Canyon in southeastern Puente Hills, between Chino and the Santa Ana River, San Bernardino Co., southern CA.

Source: US geologic names lexicon (USGS Bull. 1200, p. 383).


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 ([ ]).

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