Which minerals are the last to crystallize as magma cools?
Muscovite Mica & Quartz
Where are metamorphic rocks found?
near magma, deep underground
You can see pieces/fragments of other rocks
How does a dinosaur footprint become a fossil?
Through compaction & cementation (lithification)
What type of rock is quartzite?
Metamorphic
Which processes lead directly to the formation of igneous rocks?
melting & solidification
What most likely caused the wavy bands visible in gneiss bedrock?
Heat/pressure during metamorphism
What sized particle is shale composed of?
Clay
Where are sedimentary rocks usually found?
At the surface in a thin layer
Name 3 extrusive igneous rocks
Andesite
Rhyolite
Basalt
Which igneous rock contains olivine, pyroxene, and amphibole?
Gabbro or Basalt (mafic)
Which geologic processes are responsible for the banding pattern in metamorphic rocks?
Heat & pressure
List the order of coal formation
Peat --> Lignite --> Bituminous Coal --> Anthrocite Coal
Which organic rock is formed in stages from plant material?
Coal
What are the 2 series of crystallization from Bowen's reaction series?
Continuous & discontinuous
It cooled very rapidly
What are some features you would see in a metamorphic rock? (3)
Banding, distortion, foliation
Name a mineral that could be contained in an evaporate deposit.
Halite (salt) or Gypsum
Which type of rocks can be sources of deposited sediments?
ALL of them (igneous, sedimentary & metamorphic)
What does plutonism mean?
the formation of intrusive igneous rocks from magma
What is the texture of a rock that formed deep underground?
Coarse grained crystals
List the path of metamorphism of shale to slate to gneiss?
shale --> slate --> phyllite --> schist --> gneiss
How is rock gypsum formed?
chemical precipitation of minerals from seawater
Name the 3 types of sedimentary rocks.
Clastic
Chemical
Organic