White Tank granodiorite and yucca. Photo by Randy Adsit |
Yucca blooms by Randy Adsit |
Pyrolusite dendrites in the mineralized zone of the Desert Queen Mine. Photo by Randy Adsit |
"Polka dots" from the Desert Queen Mine. Photo by Randy Adsit |
Rattlesnake Canyon area in Indian Cove, Joshua Tree. Photo by Garry Hayes |
Exploring Rattlesnake Canyon near Indian Cove, photo by Garry Hayes |
Porphyritic granitic rock at Indian Cove in Joshua Tree National Park, photo by Garry Hayes |
Exploring Rattlesnake Canyon. Photo by Garry Hayes |
Exploring the Skull Rock area at Joshua Tree. Photo by Garry Hayes |
Trip leader Bruce Bridenbecker discusses Skull Rock weathering. Photo by Garry Hayes |
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