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- }}{{#ask:[[Category:Non-marine Sand, Clay, and Silt]]2 members (0 subcategories, 0 files) - 18:36, 1 November 2016
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- }}{{#ask:[[Category:Non-marine Sand, Clay, and Silt]]2 members (0 subcategories, 0 files) - 18:36, 1 November 2016
- |category6=Non-marine Sand, Clay, and Silt H. B. Willman and John C. Frye3 KB (506 words) - 17:34, 21 November 2016
- |category6=Non-marine Sand, Clay, and Silt ...chbach, Charles Collinson, John C. Frye, M. E. Hopkins, Jerry A. Lineback, and Jack A. Simon, 1975, Handbook of Illinois Stratigraphy: Illinois State Geol4 KB (554 words) - 17:11, 11 January 2017
- ...ssile shale to weakly fissile, laminated, and massive mudstone, siltstone, and sandstone. On this basis, the name “Dykersburg Member” seems more appro ...e coal from its underclay. This is a seeming paradox—a younger unit within and beneath an older one. The unusual processes that caused this anomaly are ad30 KB (4,578 words) - 20:53, 23 August 2023