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With clastic sedimentary rocks associated deposits of ore, oil-and-gas, coal and non-metallic minerals. They are located in a variety of different age strata structural-tectonic stages. Sedimentary rocks composing these fields are often framework rocks or minerals themselves are economic minerals. Depending on the age and affinity to specific structural and tectonic tier breeds are in various stages of the penecontemporaneous transformation. By the degree of transformation of organic matter in the clastic rocks ca...