"*Coal Geology and Geochemistry*Origin of Coal and the Reserves of the World*Coal Exploration and Mining*Coal Geology*Classification of Coal*Organic and Inorganic Geochemistry of Coal*Mineral Matter in Coal"
"In the midst of the bog, where the environment is most humid, the moss grows
most rapidly and the bog is upheaved. ... 2.3 The Distribution of the Coal
Reserves in Geological History The evolution stage of fossil flora determines the
distribution of the coal reserves through ... The third developed in the Cretaceous
and Tertiary periods, the thickest coal seams in the world being formed in the
Tertiary era."
"A second type is a semi-papery oil shale of the same color with an oil yield of 3–9
wt % of in-place shale oil. A third type ... 9.2.2 Irati Formation Oil shale of the
Permian Irati Formation has potential for economic development because of its
accessibility, grade, and widespread distribution. The outcrop of the ... Clay
minerals comprise 60–70% of the rock with minor amounts of detrital quartz,
feldspar, pyrite, and other minera ..."