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a map of unconformities and a plate of cross sections
This Special Paper highlights the changes in the study and application of cave and karst systems since GSA's origin
may have played an important role in deteriorating the global climate at that time
bear new information on 3D deep crustal structure and geological history of the early Precambrian East European craton
a series of papers presents new
Eocene and Oligocene Paleosols of Central Oregon 1-1-001-323-4330-323 a map of unconformities andAuthors: Gregory J. Retallack, Erick A. Bestland, and Theodore J. Fremd Buy the e book(not available in print) Oregons high desert has long been famous for its fossil plants and mammals of Eocene and Oligocene age (45 to 28 million years old), but the most scenically striking feature of these colorful, fossiliferous badlands is their paleosols (fossil soils). In this monograph, the various paleosols are characterized and interpreted in order to