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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 Earth’s surface pushes the overlying rock into a dome shaped structure

The process of recording geological or geophysical data

 A variety of magnetite with a high percentage of iron, Fe3O4.

A mineral deposit hosted or surrounded by solid rock

Made of stone

The crust and upper mantle of the Earth from its lithosphere

Straight line cut through terrain for the purpose of geophysical mapping of the area