The GRAND TETON NATURAL HISTORY ASSOCIATION

The Grand Teton Natural History Association assists the National Park Service in the development of a broad public understanding of the geology, plant and animal life, history, and related subjects pertaining to Grand Teton National Park. It aids in the development of museums and wayside exhibits, offers for sale publications on natural and human history, and cooperates with the Government in the interest of Grand Teton National Park.

Mail orders: For a publication list, write the Grand Teton Natural History Association, Moose, Wyoming 83012.

Creative Director: Century III Advertising. Inc.
Designer: Les Hays Studios, Inc.
Color SeparationsAssemblyPlates: Orent Graphic Arts, Inc.
Type: Bodoni and Gothic
Printer: Omaha Printing Co.
Printing: Offset Lithography.
Six Colors on Covers
Two Colors on Body

GEOLOGIC MAP OF GRAND TETON NATIONAL PARK
High-resolution Map

EXPLANATION

CENOZOIC
QUATERNARY
Sand, gravel, and talus
Includes glacial outwash and materials deposited by present streams
Landslide deposits
Moraine deposits of Pinedale glaciers
Moraine deposits of Bull Lake and older glaciers
TERTIARY
Volcanic rocks
Lava flows and volcanic ash
Conglomerate, sandstone, shale, claystone, marl, and pumice
Deposited on land or in shallow lakes
MESOZOIC
Conglomerate, sandstone, shale, and coal
Deposited on land
Shale, sandstone, and limestone
Mostly deposited in shallow seas
PALEOZOIC
Limestone, shale, and sandstone
Deposited in shallow seas
PRECAMBRIAN
Diabase dikes
Granite, gneiss, and schist
Fault
Dashed where approximately located; dotted where concealed beneath unfaulted younger deposits. U is on the side that moved up; D, on the side that moved down
Geologic contact

View southwest from Lake Solitude toward the Grand Teton (right), Mt. Owen, and Mt. Teewinot. Wyoming Travel Commission photo by J. R. Simon.

Grand Teton, Mt. Owen, and Mt. Teewinot from Jenny Lake Flat. National Park Service photo by W. E. Dilley.

Transcriber’s Notes