Geology walks at the South Yuba River State Park | TheUnion.com
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Geology walks at the South Yuba River State Park

Submitted to The Union

KNOW & GO

WHO: South Yuba River State Park

WHAT: Geology Walk programs

WHEN: Saturday, March 7 at 1 p.m.; Friday, June 5 at 10 a.m.; Saturday, Oct. 3 at 10 a.m. WHERE: Bridgeport north parking lot where the Buttermilk Bend trail starts

MORE INFO: Email SYubaRiverGeology@gmail.com or call 530-432-2546

The South Yuba River has cut across the Sierra Foothills topographic surface to expose the inner anatomy of the Sierra Nevada. Millions of years of Earth’s geologic history are exposed, but unlike the Grand Canyon, the rocks are complexly faulted and folded. A ongoing program in the park this year is a guided walk along the Buttermilk Bend trail that points out the interesting geology of the South Yuba River State Park.

Prior to the walk participants will receive a brochure about the local geology as well as hear a short presentation about the four major tectonic belts (assemblage of rocks that have been folded or mixed together) present within the state park boundaries. Also discussed in the presentation will be some of the plate tectonics concepts used by geologists to interpret the complex geology of the area. On the walkaing tour, participants will learn about the rock types along this portion of the South Yuba River as well as observe first hand some of the geologic features associate with the area’s complex geology. The guided walking tour and short presentation are expected to last from two to two and a half hours over mostly flat terrain.


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