Geology Fundamentals: Metamorphic Rocks
There are three types of rocks: igneous, metamorphic, and sedimentary. This article is the second in our series on the …
basics
Geology Fundamentals: Identifying Igneous Rocks in the Field
Many common ore deposit types are igneous: porphyry copper deposits, pegmatites, and layered mafic intrusions, to name a few. While …
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