Aztec Sandstone

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Aztec Sandstone
Stratigraphic range: Early Jurassic
RedRocksDistortedBeds.JPG
Outcrop of the Aztec Sandstone (Lower Jurassic) at Red Rock Canyon National Conservation Area near Las Vegas, Nevada.
Type Sedimentary
Underlies Willow Tank Formation[1]
Overlies Chinle Formation
Area Nevada,[2] Arizona, California[3]
Thickness 2100 feet in Goodsprings quadrangle,[2] 2500 feet in Muddy Mountain area[1]
Lithology
Primary Sandstone
Location
Region Mojave Desert
Type section
Named by D. F. Hewett, 1931[2]

The Aztec Sandstone is a Lower Jurassic geological formation of primarily eolian sand from which fossil pterosaur tracks have been recovered.

Vertebrate paleofauna[edit]

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
Vertebrates of the Aztec Sandstone
Genus Species Location Member Abundance Notes Images

Anchisauripus[4]

Grallator[5]

Pteraichnus[6]

See also[edit]

Footnotes[edit]

  1. ^ a b Longwell, C.R., 1949, Structure of the northern Muddy Mountain area, Nevada: Geological Society of America Bulletin, v. 60, no. 5, p. 923-967.
  2. ^ a b c Hewett, D.F., 1931, Geology and ore deposits of the Goodsprings quadrangle, Nevada: U.S. Geological Survey Professional Paper, 162, 172 p., (incl. geologic map, scale 1:62,500)
  3. ^ Jennings, C.W., 1961, Geologic map of California; Kingman sheet: California Division of Mines and Geology, scale 1:250,000
  4. ^ Listed as "cf. Anchisauripus" in "Appendix: Summary of the Mesozoic Reptilian Fossils of California," Hilton (2003) p. 265
  5. ^ Listed as "cf. Grallator" in "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 265
  6. ^ Lockley, et al. (2008)

References[edit]

  • Hilton, Richard P. 2003. Dinosaurs and Other Mesozoic Reptiles of California. Berkeley: University of California Press. 318 pp.
  • Lockley, M.; Harris, J.D.; and Mitchell, L. 2008. "A global overview of pterosaur ichnology: tracksite distribution in space and time." Zitteliana. B28. p. 187-198. ISSN 1612 - 4138.
  • Porter, M.L., 2006. Sedimentology of an ancient erg margin: the Lower Jurassic Aztec Sandstone, southern Nevada and southern California. Sedimentology 34:661-680.