A group of metals from copper to bismuth on the periodic table of elements, or any element with a specific gravity of 4 or more
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Category: <span>H</span>
The movement of thermal fluid bodies within the Earths crust
A process where mineralized ores are set in a heap and then processed by interfacing with solutions that liquefy the contained metals for collection in a resistant liner below
The recovery of minerals from ore using a wet chemical process
The country rock surrounding mineralized ore deposits
Having the same composition or minerals occurring uniformly. The opposite of heterogeneous
A term used to describe a completely or mainly crystalline igneous rock
The Holocene is an epoch in geologic time, the most recent commencing some 11,000 years ago until the present day. Sometimes considered an era
A corporation whose main purpose is to manage controlling interest in one or several other companies
A machine using for hoisting a cage or crate in a shaft or tunnel