The delesse relation in a concentrically zoned sphere. I. The section-number bias |
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Authors: | Felix Chayes |
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Affiliation: | (1) Geophysical Laboratory, 2801 Upton Street, NW, 20008 Washington, DC;(2) Present address: Department of Mineral Sciences, Smithsonian Institution, 20560 Washington, DC |
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Abstract: | Zonal areas of a randomly chosen section through a concentrically zoned sphere yield an estimate of the (volumetric) amount of the outer zone which is subject to a large positive bias that decreases rapidly with increase in the number of sections on which the estimate is based. It will not exceed 3% of the amount present if an analysis is based on as many as 8 sections and will be less than 1% if 32 sections are used. |
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Keywords: | area-volume relation bias consistence modal analysis zoned sphere |
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