Minerals/Rocks #3 Flashcards
What is contact metamorphism?
Contact metamorphism is when the rocks are “baked” near a magma chamber
What is regional metamorphism?
Regional metamorphism is when a rock receives lateral pressure
Clastic sedimentary rocks are…
Rocks that are formed from clasts (pieces of minerals or rocks that were broken down into smaller parts)
Chemical sedimentary rocks are…
Rocks formed from thing that were dissolved in water
Organic sedimentary rocks are…
Rocks that are formed by the compaction and hardening of decayed plant material
What are the main properties of a mineral?
Luster, color, streak, crystal form, hardness, cleavage, and density
The most abundant element in earth’s crust is…
Oxygen (46%)