Creation of the Teton Landscape; The Geologic Story of Grand Teton National Park

View west toward Grand Teton on skyline. Hedrick’sPond surrounded by “knob and kettle”topography is in foreground, tree-covered BurnedRidge moraine is in middle distance, and extendingfrom it to foot of mountains is gray flat treelessglacial outwash plain. National Park Servicephoto by W. E. Dilley.

View west up Cascade Canyon, with north face ofMt. Owen in center. National Park Servicephoto by H. D. Pownall.

To Fritiof M. Fryxell, geologist, teacher,
writer, mountaineer, and the first ranger-naturalist
in Grand Teton National Park.

All who love and strive to understand
the Teton landscape follow in his footsteps.

CREATION OF THE
TETON LANDSCAPE

The Geologic Story of
Grand Teton National Park

By
J. D. LOVE AND JOHN C. REED, JR.
U.S. Geological Survey

Library of Congress Catalogue Card No.: 68-20628
ISBN O-931895-08-1

1st Edition
1968

1st Revised Edition
1971

Reprinted 1979
Reprinted 1984
Reprinted 1989

Grand Teton Natural History Association
Moose, Wyoming 83012

4

CONTENTS

Foreword 6
THE STORY BEGINS 8
First questions, brief answers 9
An extraordinary story 10
An astronaut’s view 12
A pilot’s view 14
A motorist’s view 15
View north 15
View west 18
View south 19
A mountaineer’s view 20
CARVING THE RUGGED PEAKS 24
Steep mountain slopes—the perpetual battleground 24
Rock disintegration and gravitational movement 24
Running water cuts and carries 26
Glaciers scour and transport 28
Effects on Jackson Hole 30
MOUNTAIN UPLIFT 36
Kinds of mountains 36
Anatomy of faults 38
Time and rate of uplift 40
Why are mountains here? 41
The restless land 43
ENORMOUS TIME AND DYNAMIC EARTH 45
Framework of time 45
Rocks and relative age 45
...

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