The mass movement of loose alluvial debris, usually on a steep gradient
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Category: <span>L</span>
A satellite which provides landscapes imagery including patterns, geologic structures
An igneous sedimentary rock, composed of altered mafic and ultramafic minerals
A term used to describe the arrangement of leaves or sheets in a structure, sometimes bound on a side
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]
Ore containing a small but detectable grade of mineralization, favourable only if the extent of mineralization is enormous, consistent, and accessible
Lens shaped
A trough usually 2 meters long, used for washing gold-bearing earth utilizing moving water and a series of riffles for trapping heavy particles. It is longer than a rocker or sluice