A City of Granitic Rocks

Granitic rocks form the backdrop of iconic landscapes worldwide – from the narrow ridge of Machu Picchu to the massive walls of Yosemite Valley. In southern Idaho, City of Rocks National Reserve contains a “sculpture garden” of granitic rock outcrops with a different appearance from most other granites. They are a result of unusual geologic processes – an interesting story.

By |2021-08-19T18:53:15-07:00August 19th, 2021|Our Amazing Earth|4 Comments

Quintessential Quartz

Some of us really like the mineral quartz – and for excellent reasons. Quartz is a major building block of my favorite landscapes, found in the granitic rocks forming the Andes Mountains and the Sierra Nevada; the sandy beaches along the California coast; the vast sand dunes of Death Valley and the Sahara Desert, and the Red Rock geologic units in Arches, Capital Reef, Zion.....

By |2020-12-10T17:47:22-07:00December 10th, 2020|Our Amazing Earth|0 Comments
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