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What is the most characteristic, original, depositional feature preserved in sedimentary rocks?
Q13: In general, mafic magmas are more likely
Q45: What does a sand that is: very
Q54: What do orange red or brown colours
Q82: A thrust fault is best described as
Q87: Three major factors involved in metamorphism are
Q100: The Proterozoic Era is the first and
Q104: What are the massive particle types in
Q175: What are the most common cementing agents
Q184: _ cement produces dark red and orange
Q219: Coal beds originate in what type of