Upper Red Link, Bemidji, Minnesota

UPPER RED LAKE, MINNESOTA

 

UPPER AND LOWER RED LAKE , MINNESOTA - Copernicus Sentinel2 Photograph

Sample was collected by Anita Merritt, a staff member of the Headwaters Science Center, Bemidji, Minnesota

 

 

GRAIN DISTRIBUTION CHARACTERISTICS (AGI CHART)

 International Space Station 800mm 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.
 

UNDER WATER SAMPLE

  
     

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BEACH SAMPLE

  
     

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