[Evolution of Sedimentary Basins--San Juan Basin: Chapters J and K] (open access)

[Evolution of Sedimentary Basins--San Juan Basin: Chapters J and K]

From introduction to each respective report: Report J summarizes the results of several studies concerning the stratigraphy and sedimentology of uppermost Jurassic to lowermost Upper Cretaceous rocks in the San Juan basin and adjacent areas. Report K describes using X-ray diffraction techniques to determine the occurrence and distribution of clay minerals in the upper part of the Brushy Basin Member and in the Burro Canyon Formation in the Four Corners area.
Date: 1992
Creator: Aubrey, William M. & Skipp, Gary
System: The UNT Digital Library
The Lance Formation: Petrography and Stratigraphy, Powder River Basin and Nearby Basins, Wyoming and Montana (open access)

The Lance Formation: Petrography and Stratigraphy, Powder River Basin and Nearby Basins, Wyoming and Montana

From abstract: The uppermost Cretaceous Lance Formation was studied in the Powder River Basin and nearby basins of Wyoming and Montana. The Lance Formation is overlain by the continental Paleocene Fort Union Formation. This report is a petrography and stratigraphy study on these basins.
Date: 1992
Creator: Connor, Carol Waite
System: The UNT Digital Library
Clastic Pipes of Probable Solution-Collapse Origin in Jurassic Rocks of the Southern San Juan Basin, New Mexico (open access)

Clastic Pipes of Probable Solution-Collapse Origin in Jurassic Rocks of the Southern San Juan Basin, New Mexico

A report about pipes which contain downdropped strata located in the southwestern part of the San Jun Basin, New Mexico.
Date: 1992
Creator: Hunter, Ralph E.; Gelfenbaum, Guy & Rubin, David M.
System: The UNT Digital Library
Geologic Investigations of the 1988 Tennant Creek, Australia, Earthquakes: Implications for Paleoseismicity in Stable Continental Regions (open access)

Geologic Investigations of the 1988 Tennant Creek, Australia, Earthquakes: Implications for Paleoseismicity in Stable Continental Regions

From introduction: This report summarizes the results of our efforts to document the timing of the last prehistoric movement on the faults that ruptured during the 1988 Tennant Creek earthquake sequence.
Date: 1992
Creator: Crone, Anthony J.; Machette, Michael N. & Bowman, J. Roger
System: The UNT Digital Library