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Document Type

Dinosaur National Monument

First Page

91

Last Page

93

Abstract

The objective of this study is to establish a stratigraphic, sedimentologic, and geochronologic framework of the Upper Jurassic Morrison Formation within Dinosaur National Monument (DNM) and to tie this framework to the rest of the Colorado Plateau and other important fossil-bearing localities in the Western Interior of the U.S. The study is also designed to complement ongoing paleontological inventories of the Morrison Formation within the Monument. During the 1990 field season emphasis was placed on the larger aspects of stratigraphic and sedimentologic work and collection of samples for various types of analyses. Work during the 1991 field season was concentrated on detailed stratigraphic and sedimentologic studies of the quarry interval and on the regional studies that will relate the Morrison Formation at DNM and its contained bones to important bone-bearing localities elsewhere in the Western Interior of the U.S.

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