Question: How widespread are sedimentary rocks and sediments
How widespread are sedimentary rocks and sediments on the earth’s surface?
Answer to relevant QuestionsName the four main clastic sediment and sedimentary(a) Define and explain the significance of the law of superposition which was first expounded upon by Nicholas Steno, a Dane, in 1669.Contrast the histories of a well-rounded, well-sorted quartz sandstone [Fig. 5.8(a)] and a poorly sorted graywacke with angular grains of various compositions [Fig. 5.8(d)].What does the presence of a limestone indicate about the nature of the area in which it was formed?What is an explanation for the fact, experimentally proven, that quartz sand grains are rounded much faster by wind than by a river?
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