Pudsey, C. J.. 1993 Calibration of a point-counting technique for estimation of biogenic silica in marine sediments. Journal of Sedimentary Research, 63 (4). 760-761. 10.2110/jsr.63.760
Abstract
The simple technique of point counting is very quick and is suitable for shipboard use, or in any study where high accuracy is not necessary. Point-counting smear slides yields results different from measurements of weight-percent silica if there are systematic differences in shape and density of biogenic and terrigenous grains. In this note I present calibration curves for synthetic biogenic-terrigenous mixtures, to show how the accuracy of point counting may be improved.
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