例句與造句

1. The current early Ordovician age estimation is based on a much more diverse and numerous therefore more securely dated assemblage of conodonts, again from overlying sediments.
2. Elsewhere in the Newark Basin, smaller synclines preserve the Watchung Outliers, additional fragments of the flood basalts and associated overlying sediments that have survived into the modern era.
3. It is believed that petroleum is created when deposits of incompletely oxidated plant and animal sediment are subjected to great heat and pressure from overlying sediments, causing partial distillation.
4. Chinese researchers found the first human fossils in the cave in 1988, and since then have studied the shapes and dated the remains from magnetic patterns in overlying sediments.
5. Further preparation of fossil specimens showed that the'second legs'were buried at an angle to the plane along which the rock had split, and could be revealed by removing the overlying sediment.
6. It's difficult to find overlying sediments in a sentence. 用overlying sediments造句挺難的
7. Over the last several million years, much of the overlying sediment has eroded away, bringing the sandstone layer with its seams of coal to the surface again in the Tongue River area.
8. This occurs because, in its natural equilibrium state, the hydraulic pressure of groundwater in the pore spaces of the aquifer and the aquitard supports some of the weight of the overlying sediments.
9. As time passed, weathering from water and wind caused the overlying sediments to erode and expose the footprints, and hence the reason why dinosaur tracks are present in the Glen Rose Dinosaur Valley State Park.
10. Sedimentary porosity is a complicated function of many factors, including but not limited to : rate of burial, depth of burial, the nature of the connate fluids, the nature of overlying sediments ( which may impede fluid expulsion ).
11. During the collision between these continents, the remaining, small portion of oceanic crust and overlying sediment were shoved northward by Gondwana and incorporated into the Ouachita Mountains within Arkansas and Oklahoma during the Late Mississippian to the Early Pennsylvanian times.
12. A single conodont element, again drawn from overlying sediments, was taken to support a late Cambrian to early Ordovician age, but this was refuted by the observation that the trace fossil assemblages bore great similarity to well constrained lower Silurian assemblages from Antarctica.
13. Preservation of most specimens was made possible by the fast sedimentation that quickly cut the organism off from seawater; it may also have been enhanced by the decay products of the rotting organism, which could have helped the overlying sediment to mineralise and harden.
14. There are many varieties including bedded cherts that formed in the lake and intrusive dike-like bodies that penetrated through overlying sediments while the silica was soft . Most famous is " Magadi-type chert ", which formed from a sodium silicate mineral precursor magadiite that was discovered at Lake Magadi during the 2016s.
15. Within the zone of Project 1 the primary underlying geology consisted of deposits from the Quaternary Period consisting of Bolders bank, Botney Cut and Eem formations  primarily sediments or tills  gravelley / sandy clays, overlying sediments were sands or gravels up to thick, with for sandwaves within the area varying in height by.
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