Home Archived Aug 4, 2016
(i)

USGS Geology in the Parks

THE ROLE OF FLOWING WATER. A few tens-of-millions of years ago the Yosemite area was a rolling surface of rounded hills and broad valleys with meandering streams
Figure 7 - THE ROLE OF FLOWING WATER. A few tens-of-millions of years ago the Yosemite area was a rolling surface of rounded hills and broad valleys with meandering streams (A, above). Before the onset of glaciation, more than a million years ago, the elevation of the range increased and streams incised deep canyons into the western flank of the range (B, below).
Before the onset of glaciation, more than a million years ago, the elevation of the range increased and streams incised deep canyons into the western flank of the range

 

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://geomaps.wr.usgs.gov/parks/yos/fig10.html
Page Contact Information: Webmaster
Page Last Modified: 03-Oct-2014@11:13