KILAUEA VOLCANO, BIG ISLAND, HAWAII |
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KILAUEA LAVA SAMPLE CONTAINER - Charles F. Lindgren Photograph |
In recognition of the current eruption of Kilauea, I wanted to create a page. Unfortunately I don't have any sand or ash from there. However, I found a chunk of lava supposedly from the volcano collected in November (?) of 1960 before my arrival at my school in 1967. It was in a babyfood jar in one of my closets (see photo above). I took it home when I retired, and finally have a place to put it! The chuck is appximately 5 by 4 cm, and 2 cm thick. |
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GRAIN DISTRIBUTION CHARACTERISTICS (AGI CHART) |
International Space Station 1600mm 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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