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FIGURE 38. — Diagram showing how, by progressive exfoliation, the angularities of a rock mass are replaced by smooth curves they are among the oldest features of its landscape. Their sweeping curves attest their great antiquity. Domes such as Sentinel...

Geologic History of the Yosemite Valley - Page 115
by François Matthes - 1930 - 137 pages
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Geological Survey professional paper, Issue 160

Geological Survey (U.S.), Geological Survey (U.S.). Geographic Names Information Management - Science - 1987

...is evident that the domes of the Yosemite region have been a long time in the making; FIGURE 88. — Diagram showing how, by progressive exfoliation, the...far back as the Miocene epoch, at least 8,000,000 years ago, when the upland was still an undulating lowland and when the Merced River flowed in a broadly...

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