underclay造句

例句与造句

1. Underclay typically contains the fossil roots and exhibits noticeable development soil structures.
2. Underclay, which consists of siliceous refractory clay rich in hydrous aluminium silicates, is also called fireclay.
3. Synonyms for underclay included seat clay, root clay, thill, warrant, coal clay, and warrant clay
4. Their primary source of clay was the 8 to 12 foot ( 2.5 to 4 meter ) underclay found immediately below the coal.
5. The alteration of sediments by weathering, plants, and other soil processes comprising underclay resulted in the formation of vast majority of fireclay that comprises underclay.
6. It's difficult to find underclay in a sentence. 用underclay造句挺难的
7. The alteration of sediments by weathering, plants, and other soil processes comprising underclay resulted in the formation of vast majority of fireclay that comprises underclay.
8. Underclay is a seatearth composed of soft, dispersible clay, or other fine-grained sediment, either immediately underlying or forming the floor of a coal seam.
9. Thin coal seam with underclay pervasively churned by roots as cored from the Lower Cretaceous ( Berriasian to lower Valanginian ) Hibernia Formation at the Hibernia K-14 well in the Hibernia oilfield.
10. In poorly developed paleosols, as seen in the soil profiles of modern poorly developed soils, called " Inceptisols ", of modern river deltas and floodplains, there might not exist any noticeable alteration of the underclay.
11. Plant growth, waterlogging, and other processes, which occurred during the development of a mire or swamp, in which a layer of peat accumulated that later became the overlying coal, modified the paleosol to create an underclay
12. These studies demonstrate that a paleosol, which is either developed in or comprises underclay, largely reflects the effects of plants and other soil forming processes on the underclay while it formed the ground surface prior to being buried by organic sediments.
13. These studies demonstrate that a paleosol, which is either developed in or comprises underclay, largely reflects the effects of plants and other soil forming processes on the underclay while it formed the ground surface prior to being buried by organic sediments.