The crust and upper mantle of the Earth from its lithosphere
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Category: <span>L</span>
Straight line cut through terrain for the purpose of geophysical mapping of the area
A hydrous form of iron oxide
A sedimentary rock type made of calcium carbonate.
Calcium oxide, CaO or powdered calcium carbonate, CaCO
A green form of titanite
Brownish-black form of coal
Subterraneous horizontal passages in a mine, the usual intersection of a mine shaft
Quartz formed below 573 degrees C, SiO2 possessing less symmetry and hardness than the same formed at a higher temperature
An ore of lithium, 3[K2Li4Al2(Si8O20(OH)4]