Vocabulary
A scientist who studies the classification and origin of all types of rocks is called a ______.
What is a petrologist
Most rocks are a ___ of two or more minerals.
What is mixture
What is the key to classifying rocks?
What are grains
Does obsidian have a grain size?
What is no
What type of rock forms from bits and pieces of eroded rocks?
What is sedimentary rock
What type of metamorphism happens when a rock is altered by heat from an igneous intrusion, such as a sill or dike?
What is contact metamorphism
is limestone considered a clastic or nonclastic sedimentary rock?
What is nonclastic sedimentary
Conglomerate, a rock containing gravel, pebbles, and sandstone, is a ______ sedimentary rock.
What is clastic
_______ has large, interlocking crystals.
What is pegmatite
What type of rock changes due to heat or pressure?
What is metamorphic rock
Sandstone formed with distinct grains of sand is an example of what type of sedimentary rock?
What is clastic sedimentary
Halite having a uniform milky, transparent appearance is an example of what type of sedimentary rock?
What is nonclastic sedimentary rock
Slate that can break into sheets is an example of what type of metamorphic rock?
What is foliated metamorphic
According to which view point will most rocks eventually return to the mantle and melt?
What is the old-earth view
What would high quality marble rock most likely be used for?
What is for large governmental buildings
Is shale a clastic or nonclastic sedimentary rock?
What is clastic
Marble having extremely small crystals is an example of white type of metamorphic rock?
What is nonfoliated metamorphic rock
According to young-earth geologists, what group of rock is believed the be the basement rock?
What is igneous
Why are igneous rocks like granite and basalt often used for statues and important buildings?
What is they are weather resistant
The original rock that was altered to form a metamorphic rock is the _______ rock.
What is the source rock
What is the settling of materials from a solution to form inorganic clastic rocks called?
What is precipitation
What are the 5 steps in the formation of a sedimentary rock?
What is: erosion, transportation, deposition, compaction, and cementation
What is a metamorphic rock with grains that appear to be aligned in a parallel pattern called?
What is foliated
The individual rock particles, crystals, and sometimes fossils that combine to give a rock its texture are known as ______.
What are grains
What type of metamorphism happens over large areas, but is probably not happening on a large scale today?
What is regional metamorphism