Digital-Desert : Mojave Desert
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Introduction to Desert Geology

Geology

1.7 billion year old crystalline basement rock, Death Valley
All three families of rock are evident in the Mojave Desert — igneous, sedimentary, and metamorphic. The earliest rock, related to the metamorphic gneiss and schist at the bottom of the Grand Canyon, has little exposure in the Mojave, but can be seen at Saddle Island in Lake Mead National Recreation Area (NRA) and parts of Death Valley National Park (NP). Changed from preexisting rock by immense temperature and/or pressure (without melting), this metamorphic rock is ancient — from the Precambrian Era, formed about 1.6 to 1.8 billion years ago.

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Introduction

Geology

Once Upon A Time

Magma On The Move

Shake, Rattle, And Roll

Whittling The Earth

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These items are historical in scope and are intended for educational purposes only; they are not meant as an aid for travel planning.
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