A heavy, brittle metal. Symbol, Ta
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Category: <span>T</span>
Rock broken from the upper reaches of a mountain or cliff
A pond or cavity used to allow the settling and possible neutralization of tailings material
Ore material leftover from initial processing
Pertaining to the movement of structures within the Earths crust
To haul cars of ore or waste in a mine
A term used to describe affine grained criss-crossed formation of flow lines on rocks
A complex, piezoelectric trigonal mineral occurring in numerous colours and chemical structures, frequently used as a gemstone
A map indicating elevation and structure through the use of legends and contour lines
An orthorhombic, vitreous mineral frequently used as a gemstone, Al2(F,OH)2SiO4