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News — Mineral Mondays

Mineral Mondays 1: Rock Types: Igneous, Sedimentary and Metamorphic

Posted by Destination Gold on

Mineral Mondays 1: Rock Types: Igneous, Sedimentary and Metamorphic

Mineral Mondays 1:  Rock types, for prospectors who love metal detecting and minerals.  Rocks are the most common material on earth and the first thing you learn about in a geology class. Rocks are naturally occurring aggregates of one or more minerals. Rock divisions occur in three major families based on how they formed: igneous, sedimentary, and metamorphic. Igneous; they form from the cooling of magma deep inside the earth. They often have large crystals (you can see them with the naked eye). Sedimentary; they are formed through the solidification of sediment. They can be based on organic remains (such...

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