Folsom Lake State Recreational Area, California

FOLSOM LAKE STATE RECREATION AREA, CALIFORNIA

 

FOLSOM LAKE NEAR THE OUTFALL - Gary Foster Photograph

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"The samples were collected from Folsom Lake next to Granite Bay, near Sacramento. The reservoir is way down(they open the tainter gates each year in preparation for new water from snow melt in the Sierras). One can walk along the shoreline filled with large granite boulders in the foothills of the Sierras. Interesting texture and fascinating geology." Gary Foster

 

 

 

GRAIN DISTRIBUTION CHARACTERISTICS (AGI CHART)

International Space Station 35mm Photograph Image credit:  Image Science and Analysis Laboratory, NASA Johnson Space Center

GRAIN SHAPE CHARACTERISTICS

(PREPARED BY GAMMA ZETA CHAPTER , SIGMA GAMMA EPSILON, KENT STATE UNIVERSITY - AGI CHART))

Roundness is the degree of smoothing due to abrasion of sedimentary particles. It is expressed as the ratio of the average radius of curvature of the edges or corners to the radius of curvature of the maximum inscribed sphere.

The sphericity of a particle is: the ratio of the surface area of a sphere (with the same volume as the given particle) to the surface area of the particle.

     
     

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FOLSOM LAKE BEACH AT LOW WATER - Gary Foster Photograph

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