Earth Science Review #4

Metamorphic Rocks

100

This type of metamorphic rock has a foliated texture, a fine grain size, and is created from regional metamosphism.

What is Slate?

200

This type of metamorphic rock has a banding, foliated texture.

What is Gneiss?

300

This type of metamorphic rock has a composition of various minerals and has a coarse grain size.

What is Metaconglomerate?

400

This metamorphic rock has a composition of Mica, Quartz, Feldspar, Amphibole, Garnet, and Pyroxene with a fine to medium grain size.

What is Schist?

500

This metamorphic rock is made up of Carbon with a fine grain size.

What is Anthracite Coal?

Common Minerals

100

This mineral leaves a red-brown streak

What is Hematite?

200

This minerals has a hardness between 5.5 - 6.5 only.

What is Magnetite?

300

These two minerals are flexible in thin sheets.

What are Muscovite Mica and Biotite Mica?

400

This mineral can be easily scratched by a fingernail.

What is Selenite Gypsum?

500

This minerals bubbles with acid when it's powdered.

What is Dolomite?

Sedimentary Rocks

100

This type of sedimentary rock has a fragmental texture, with a grain size less than .0004 cm

What is Shale?

200

This type of sedimentary rock has a clastic texture and angular fragments.

What is Breccia?

300

This type of sedimentary rock has a carbon composition.

What is Bituminous Coal?

400

This type of sedimentary rock can be crystalline or bioclastic and has a calcite composition.

What is Limestone?

500

These types of sedimentary rocks have a crystalline texture and a fine to coarse crystal grain size.

What are Rock Salt, Rock Gypsum, and Dolostone?

Composition of Minerals

100

This mineral's composition is PbS

What is Galena?

200

Sulfur has a composition of _____

What is S?

300

This mineral's composition is FeS₂

What is Pyrite?

400

Magnetite has a composition of ______

What is Fe₃O₄

500

This mineral's composition is Fe₃Al₂Si₃O₁₂

What is Garnet?

Igneous Rocks

100

This type of igneous rock appears black and has a glassy texture.

What is Obsidian?

200

This type of igneous rock forms intrusively and has a very coarse texture.

What is Pegmatite?

300

These types of igneous rocks have a glassy texture and includes minerals such as Pyroxene, Plagioclase Feldspar, Biotite, Amphibole, and Olivine.

What is Basaltic Glass and Scoria?

400

This type of igneous rock has a fine texture and includes minerals such as Quartz, Plagioclase Feldspar, Biotite, Amphibole, and Pyroxene.

What is Andesite?

500

This type of igneous rock can form both extrusive and intrusive. 

What is Diabase?