Cogen, William M. (1935) Some suggestions for heavy-mineral investigations of sediments. Journal of Sedimentary Research, 5 (1). pp. 3-8. ISSN 1527-1404. doi:10.1306/D4268EF0-2B26-11D7-8648000102C1865D. https://resolver.caltech.edu/CaltechAUTHORS:20191112-113439926
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Abstract
Attention is directed to the variability in quantitative relations between heavy minerals as a consequence of changes in the texture of sediments. It is suggested that for quantitative comparisons of heavy minerals, materials of the same grade-size should be utilized. Various methods in use for describing quantitative relations between heavy minerals are critically analysed. A new method of representation is suggested. A standard or type sample is selected. It is screened and the heavy minerals are separated from the suitable grade-size fractions. A known portion of the heavy mineral crop is counted and the abundance of each mineral species is established for a definite weight of uniformly sized material. The abundance of any mineral species in other samples is then given by a comparison with this standard.
Item Type: | Article | ||||||
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Additional Information: | © 1935 Society for Sedimentary Geology. | ||||||
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Issue or Number: | 1 | ||||||
DOI: | 10.1306/D4268EF0-2B26-11D7-8648000102C1865D | ||||||
Record Number: | CaltechAUTHORS:20191112-113439926 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20191112-113439926 | ||||||
Official Citation: | William M. Cogen; Some suggestions for heavy-mineral investigations of sediments. Journal of Sedimentary Research; 5 (1): 3–8. doi: https://doi.org/10.1306/D4268EF0-2B26-11D7-8648000102C1865D | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 99812 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Tony Diaz | ||||||
Deposited On: | 12 Nov 2019 22:47 | ||||||
Last Modified: | 16 Nov 2021 17:49 |
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