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Geology

Basic geology, ore deposits, mining districts and regional geology

Rare Earth Elements

rare earth oxides

There are 17 rare earth elements or REE for short. They include the 15 lanthanides, plus scandium (Sc) and yttrium (Y). The lanthanides are  range from the lightest lanthanum (La), ...

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7 Rarest Metals Which You Never Heard Of

Osmium

In terms of abundance in the Earth’s crust, the rarest metals are; gold, platinum, osmium, iridium, palladium, ruthenium, rhodium, tellurium and rhenium. The first two most of us have heard ...

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Folding, Faulting and Mineralization

On a smaller scale they can help identify planes of weakness and channels in which fluids may have deposited economic minerals. On a larger scale they can help the geologist to ...

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Potash and other Evaporite Deposits

Evaporites are water soluble mineral salts that form through the evaporation and concentration of salt water. Evaporite minerals can form huge sedimentary sequences, a remnant of the inland seas and ...

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An Introduction to Uranium Deposits

The three main types of sandstone deposits (in black): Roll Front, Tabular and Tectonological.

Although there are between 12 and 15 different typestyles of uranium deposits, almost all economic uranium deposits come from just two types: unconformity-related deposits,and sandstone uranium deposits. Unconformity-related deposits account ...

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