An ore of niobium, FeNb2O6
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Category: <span>C</span>
An line on a map or chart used to depict topography and surface
Mining claims that have a common side or boundary
The movement of rocks by the intrusion of another rock
The point at which 2 distinct rock types meet
The genetic association between igneous rocks derived from the same parent magma
A stabilized part of the Earth’s crust, usually centrally attached to the continents
A circular depression created by a sunken volcanic vent in the ground, or meteoric impact
The mass of rock adjacent to, or hosting an orebody
A chemical used to dissolve gold and silver