Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado
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Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado

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Published by Geological Society of Amer .
Written in English

Subjects:

  • San Juan Basin (N.M. and Colo.),
  • San Juan Basin (N.M. and Colo,
  • Colorado,
  • New Mexico,
  • Cretaceous-Tertiary boundary,
  • Historical Geology,
  • Geology,
  • Nature/Ecology

Book details:

Edition Notes

ContributionsJ. Rigby (Editor)
The Physical Object
FormatPaperback
Number of Pages200
ID Numbers
Open LibraryOL8026467M
ISBN 100813722098
ISBN 109780813722092

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Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Co [James E.; Rigby, J. Keith Jr. Editors Fassett] on *FREE* shipping on qualifying : James E.; Rigby, J. Keith Jr. Editors Fassett. The Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado The ages of the continental, Upper Cretaceous, Fruitland Formation and Kirtland Shale based on a projection of ammonite zones from the Lewis Shale, San Juan Basin, New Mexico and Colorado. The Cretaceous-Tertiary boundary in the San Juan and Raton Basins, New Mexico and Colorado. The Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado Paleocene and latest Cretaceous mammal ages, biozones, magnetozones, rates .

The ages of the continental, Upper Cretaceous, Fruitland Formation, and Kirtland Shale based on a projection of ammonite zones from the Lewis Shale, San Juan Basin, New Mexico and Colorado / James E. Fassett --Dinosaurs, pollen and spores, and the age of the Ojo Alamo Sandstone, San Juan Basin, New Mexico / James E. Fassett, Spencer G. Lucas, and F. Michael O'Neill --Dinosaurs, the . New Mexico Geological Society, 56DINOSAURS, POLLEN AND THE CRETACEOUS-TERTIARY BOUNDARYth Field Conference Guidebook, Geology of the Chama Basin, , p. DINOSAURS, POLLEN, AND THE CRETACEOUS-TERTIARY BOUNDARY IN THE SAN JUAN BASIN, NEW MEXICO ROBERT M. SULLIVAN1, SPENCER G. LUCAS2, AND DENNIS R. BRAMAN3 File Size: 3MB.   Iridium concentrations are anomalously high at the palynological Cretaceous-Tertiary boundary in fluvial sedimentary rocks of the lower part of the Raton Formation Cited by: Geologic FrameworkofNonmarineCretaceous-Tertiary Boundary Sites, RatonBasin, NewMexico andColorado Abstract. Iridium concentrations are anomalously high at the palynological Cretaceous-Tertiary boundary influvial sedimentary rocks ofthe lowerpart ofthe Raton Formation at several localities in the Raton Basin ofNew Mexico and by:

New Geochronologic and Stratigraphic Evidence Confirms the Paleocene Age of the Dinosaur-Bearing Ojo Alamo Sandstone and Animas Formation in the San Juan Basis, New Mexico and Colorado.   Kauffman, E. G. (): Cretaceous evolution of the Western Interior Basin of the United States. — In: Pratt, L. M., Kauffman, E. G. & Zelt, F. B. (eds.): Fine Cited by: 6. The Cretaceous-Tertiary boundary in San Juan and Raton basins, New Mexico and Colorado: Geological Society of America Special Paper, , p. Summary: Follows definition of Bauer () in which three units distinguished at Ojo Alamo Wash, T24N, Rs11 and 12W--used as type locality for Ojo Alamo in this report, San Juan Co, NM, San Juan basin. The Cretaceous-Tertiary (K-T) boundary interval, Raton Basin, Colorado and New Mexico, and its content of shock-metamorphosed minerals; implication concerning the K-T boundary impact-extinction theory: Series title: Open-File Report: Series number: DOI: /ofr Edition-Year Published: Language: ENGLISH: Publisher: U.S.