Name the 3 categories of rock
Igneous, Sedimentary, Metamorphic
Name 2 forces tha produce metamorphic rock
heat and pressure
Name the 2 subdivisions of metamorphic rock
foliated & nonfoliated
metamorphic rocks with grains arranged in parallel layers
metamorphic rocks with grains arranged randomly
Name the metamorpic rock that forms from limestone
Name the metamorphic rock that forms from shale
Name the metamorphic rock that forms from granite
Name the metamorphic rock that forms from sandstone
Schist, slate, & gneiss are what type of metamorphic rock?
Marble & quartzite are what type of metamorphic rock?
Fire rocks that form from magma and lave
A rock with large crystals surrounded by small crystals
Fire rocks that form from lava
extrusive igneous rocks
Fire rocks that form from magma
intrusive igneous rocks
Name the extrusive igneous rock that floats
Name the most common extrusive igneous rock
Name a fine-grained extrusive igneous rock that is shiny and looks like a piece of glass
Name an intrusive igneous rock that contains the minerals feldspar, mica, quartz, and hornblende
The size of crystals when lava cools quickly
The size of crystals when magma cools slowly
Small, solid pieces of material that come from rocks or living things
Sediment is formed from what process?
When sediments settle out of water or wind
When sediments are pressed together in layers
When dissolved minerals glue sediments together
A series of processes on Earth's surface & in the crust and mantle that slowly change rocks from one kind to another
Name the 3 major groups of sedimentary rock
clastic, organic, and chemical
Tiny particles of clay form which type of sedimentary rock
Small particles of sand form which type of sedimentary rock
A clastic sedimentary rock that has rounded, different sized rock fragments
A clastic sedimentary rock that has sharp angular pieces of rock embedded in a matrix
The type of sedimentary rock that forms when rock fragments are squeezed together
The type of sedimentary rock that forms when minerals dissolved in solution crystallize
The type of sedimentary rock that forms when the remains of plants and animals are deposited in thick layers
Shale. breccia, conglomerate, & sandstone are which type of sedimentary rock?
clastic sedimentary rock
Coal and limestone are which type of sedimentary rock?
organic sedimentary rock
Halite and limestone are which type of sedimentary rock?
chemical sedimentary rock
mixtures of minerals and other materials
Name 3 characteristics geologists use to classify rocks
texture, color and mineral composition
Particles of minerals and other rocks that make up a rock are called?
the look and feel of a rock's surface