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)].
Answer to relevant QuestionsWhere are modern turbidity current deposits (turbidites) generally found? See Figs. 5.2 and 5.7.In the above equation, what is the result of the loss of CO2?What are the main cations (positively charged ions) and anions (negatively charged ions) in seawater?What do mudcracks in a sedimentary rock indicate?In Chapter 4, “clay minerals” are discussed. Yet, in Problem 5.5, clay has a size connotation. Does the word clay have a dual meaning?
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