Wyoming Trip Summer 2004

John J. and Barbara R. Thomas

Teton National Park

The east side of the Tetons from Tugwatee Pass.
The highest peak is Grand Teton.

Grand Teton form Signal Mountain

Symmetry Peak.

Mount Moran.
The patches of snow are alpine glaciers.
The vertical black stripe on the left third of the peak is a basalt dike.
The glacier at the base of the dike has an ice fall, the grayish area, at the foot of the white glacier and a terminal moraine and talus slope below it.

Teton Glacier, an alpine glacier, and it terminal moraine.

The fault scarp along the front of the mountains marked by the line of trees along the lower grassy slope.
The Tetons are mountains eroded out of a miles long and wide vertically uplifted block of Precambrian metamorphic rocks. Most of the recent erosion is by mountain or alpine glaciers leaving the mountains with cirques, horns, aretes and a variety of moraines.

Hidden Falls along the Jenny Lake Trail.

The view from Inspiration Point looks out over Jenny Lake toward
the Gros Ventre Mountains.
The lake is damned up by a terminal moraine marked by the line of trees along the edge of the lake. Each of the lines of trees beyond the lake is a glacial moraine. They are gravelly, permeable and saturated with water allowing trees to grow and survive.

A picture of the Tetons taken from the Snake River Valley.

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