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Document Type

Grand Teton National Park Report

First Page

33

Last Page

37

Abstract

The Miocene sediments of the Jackson Hole area constitute a unique sequence of terrestrial sediments. While much of the surrounding terrain was undergoing denudation during the Miocene, over 4000 m of volcaniclastic, lacustrine, and fluvial sediments accumulated in the vicinity of Jackson Hole. Recently completed paleontological and palynological studies have served to delineate complex biostratigraphic and climatic histories. The present research project has several goals. Chronologies are being developed for the Miocene sediments through the use of magnetic-polarity stratigraphies and fission-track dating. Sedimentation histories are being studied by combining lithologic data with chronologic information.

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