The mass movement of loose alluvial debris, usually on a steep gradient
The mass movement of loose alluvial debris, usually on a steep gradient
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
Planks, rods, beams or timbers used to between steel ribbing of an underground structure to fortify support and prevent the picture or rupture of a roof and overlying rocks
A chemical agent sometimes used in the process flotation to depress iron minerals
A formation where pressurized volcanic fluid beneath the Earths surface pushes the overlying rock into a dome shaped structure
Minerals recoverable by dissolution
A hollow cylinder or tube like underground formation of solid lava
A volcanic bomb is a chunk of ejected viscous lava larger than a lapilli, being over 64 mm.