Hot Under the Collar
They form from magma cooling beneath Earth's surface
What are intrusive igneous rocks?
"Get out of here!" is what this process might say to sediments
What is erosion?
The amount of its presence determines whether an igneous rock is felsic or mafic
What is silica?
The pillars on the porch of the Cranbrook Museum of Art
What is Mankato limestone?
The process in the formation of sedimentary rocks that would make Elmer proud
What is cementation?
You'll often find these two characteristics in extrusive igneous rocks
What are fine-grained crystals and air bubbles?
It's the stress that sediments feel under the weight of many layers, see?
What is compaction?
One plane, two plane, three plane, ... crack!
What is cleavage?
The Chinese Guard Dog
What is marble?
A naturally occurring, inorganic solid, that has a definite chemical composition and crystal structure
What is a mineral?
It means the rock is rich in iron, magnesium and other metallic crystals...not so much silica, though
What is mafic?
They cause metamorphic rocks to form
What are heat and pressure?
It fizzes in vinegar and other weak acids
What is calcite?
Around the doors and windows of Cranbrook House
What is limestone?
Type of rock being formed when igneous rock weathers
What is sedimentary rock?
Obsidian is an example (be specific)
What is an extrusive igneous rock?
It's required for rocks beneath the surface to become a sedimentary rock
What is uplift/uplifting?
Just ask Mohs...it knows!
What is hardness?
The Lynx and Her Young
What is granite?
Pieces of rocks, pebbles, mineral grains, and shell fragments
What are sediments?
It determines the size of crystals that form in igneous rocks
What is the cooling time/rate of the magma or lava?
The type of sedimentary rock that can contain fossils
What is organic sedimentary?
Powder Puff
What is a streak test?
Waterproofing for a local elementary school
What is slate?
Three means of classifying rocks
What are formation, texture, and composition?