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• Rite in the Rain
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The Geological Society of America publishes a wide range of peer-reviewed scholarly works in the form of journals, books, field guides, maps, and charts. The GSA Bookstore also carries educational materials, plus a variety of field tools.
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| Pocket-Size Sand Grain Sizing Folder |
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 | | | Member | Non-Member | | | $5.95 | $7.50 | | |  |
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| | Year Published: | 1999 | | Publication Type: | Special | | Product Code: | GRN001 | | Quickly and accurately identify grain size and shape, grain sorting, roundness, and sphericity of samples. This pocket-sized folder consists of a sphericity/roundness measuring chart; printed examples of well-sorted and poorly sorted grain samples in the fine, medium, and coarse ranges; four actual grain samples illustrating angular, subangular, subrounded, and rounded shapes; six grain size samples; silt, very fine sand, fine same, medium sane, coarse sane, and very coarse sand. Measurement limits for granules, pebbles, cobbles, and boulders indicated. Don’t leave for the field wihtout this handy tool! |
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