Quartziste, Arizona

QUARTZSITE, ARIZONA

 

QUARTZSITE ABANDONED MINE - BLM Photograph

CARBORUNDUM CRYSTALS

PYRITE CRYSTALS

TUMBLED CRYSTALS

HI JOLLY

 

 

GRAIN DISTRIBUTION CHARACTERISTICS (AGI CHART)

International Space Station 250mm 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.

     
 

CARBORUNDUM CRYSTALS

 
     

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PYRITE CRYSTALS

 
     

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TUMBLED PEBBLES

 
     

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TUMBLED PEBBLES 2

 
     

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HI JOLLY

 
   
  JEREMY BUTLER PHOTOGRAPH  
  "The sample was [collected] from the base of the monument to Hi Jolly in the Hi Jolly Cemetery town. Hi Jolly was a Greek-Syrian camel herder hired by the U.S. Army to help explore the western routes using camels in the mid 1800s. The exploration/experiement was halted by the Army." Gary Foster  

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