Minerals
What are minerals?
The building blocks of rocks.
What are the bands in some metamorphic rocks called?
Foliation
What are the names for the environment of formation of igneous rocks?
Extrusive or intrusive
Which clastic sedimentary rock features rounded fragments?
Conglomerate
Potassium feldspar
What are the two types of metamorphism?
Regional or contact
What color does Obsidian usually appear as?
Black
Rock gypsum is composed of which mineral?
Gypsum
What mineral appears in all foliated metamorphic rocks?
Mica
What is the grain size of Metaconglomerate?
Coarse
What is the texture of Granite?
Coarse
What are the three texture types for sedimentary rocks?
Clastic (or fragmental), crystalline, and bioclastic.
What mineral is Limestone composed of?
Calcite.
Which metamorphic rocks include Pyroxene in their composition?
Schist and Gneiss
What is present in vesicular igneous rocks that are absent in non-vesicular?
Gas pockets
What is the grain size of Shale?
Clay
What mineral makes up both Bituminous Coal and Anthracite Coal?
Carbon
What type of metamorphism causes Hornfels?
Contact.
Which igneous rock is composed entirely of Olivine?
Dunite
What is the texture of Bituminous coal?
Bioclastic