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Rocks and Minerals of Joshua Tree

March 1 @ 6:00 pm - March 3 @ 4:00 pm

Learn the geologic story of tectonic plates, magma, and the geologic time when the building blocks of Joshua Tree National Park were formed. Dee Trent will explain the critical principles that shaped the rocks and minerals of this area into the blonde granite and pre-Cambrian gneiss that are icons of the Mojave and Colorado Deserts. Participants will focus on identification of minerals and the three basic rock types. The class will apply its knowledge in the field by exploring numerous examples of the major rock types, contact zones, and unique geologic features such as polka dot granite and pink feldspar megacrysts.

Organizer

Desert Institute
Phone:
760-367-5535

Venue

Oasis Visitor Center
74485 National Park Dr
Twentynine Palms, CA 92277 United States
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