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Newly Available Stratigraphic Sections in Upper Cretaceous and Lower Tertiary rocks in and between the Uinta and Piceance Basins of Utah and Colorado
Newly Available Stratigraphic Sections in Upper Cretaceous and Lower Tertiary rocks in and between the Uinta and Piceance Basins of Utah and Colorado

Scanned copies of three legacy USGS publications with detailed stratigraphy of Upper Cretaceous and Lower Tertiary rocks in eastern Utah and western Colorado are now available online:

Johnson, R. C., and May, F., 1978, Preliminary stratigraphic studies of the upper part of the Mesaverde Group, the Wasatch Formation, and the lower part of the Green River Formation, DeBeque area, Colorado, including environments of deposition and investigation of palynomorph assemblages: U.S. Geological Survey Miscellaneous Field Investigations Map MF-1050. http://pubs.er.usgs.gov/publication/mf1050

Two sheets with five measured sections with extensive text describing the Cretaceous-Tertiary unconformity and facies distribution in the overlying Tertiary.

Johnson, R. C., Nichols, D.J., and Hanley, J.H., 1988, Stratigraphic sections of lower Tertiary strata and charts showing palynomorph and mollusk assemblages, Douglas Creek arch area, Colorado and Utah: U.S. Geological Survey Miscellaneous Field Investigations Map MF-1997, 2 oversize charts. http://pubs.er.usgs.gov/publication/mf1997

Eleven detailed measured sections along the Douglas Creek Arch in eastern Utah and western Colorado, including mollusk fossil and palynological data.

Johnson, R. C., 1990, Detailed cross section correlating the Upper Cretaceous and lower Tertiary rocks between the Uinta basin of eastern Utah and western Colorado and the Piceance Basin of western Colorado: U.S. Geological Survey Miscellaneous Investigations Map I-1974. http://pubs.er.usgs.gov/publication/i1974

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Page Last Modified: Wednesday, April 18, 2012