WINSLOW, ARIZONA

"I WAS STANDIN' ON THE CORNER IN WINSLOW, ARIZONA . . ."Gary Foster Photograph

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GRAIN DISTRIBUTION CHARACTERISTICS (AGI CHART)

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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LA POSADA HOTEL

Gary Foster Photograph

FINE-GRAINED SAMPLE

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COARSE-GRAINED SAMPLE

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RUBY WASH

RUBY WAS COLLECTION SITE - Gary Foster Photograph

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RUBY ROCK SAMPLE

FLATS WASH I-40 AT MILE MARKER249

WASH COLLECTION SITE - Glen Foster Photograph

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