how did igneous rocks form
what is melting ?
---- mineral grains are flattened and line up in parallel layers (mineral bands)
What is Foliated
What are the three types of sedimentary rocks?
What is Detrital (Clastic), Chemical, Organic (Biochemical)?
what type of rocks are in the Grand Canyon
What is Stratified rocks?
Metamorphic rocks, melting,-----
What is magma?
Lava is ---- at the earths surface.
What is Magma
How do metamorphic rocks form?
What is Temperature and/or pressure can change igneous, sedimentary, or other metamorphic rocks
---- loose materials such as rock fragments, mineral grains, & bits of shells that have been moved by wind, water, ice, or gravity.
What is Sediment
how does Bituminous coal form?
What is biochemical?
True or false; Extrusive rocks cool fast
what is FALSE- cool quickly
What are the types of igneous rocks
What is Intrusive and extrusive
WHat is a parent rock?- examples?
What is Original rocks before metamorphism- granite and gneiss
When do chemical rocks form?
Form when dissolved minerals come out of solution
How does shale form?
What is Detrital?
What makes granite rocks so stiff?
What is silica?
igneous rocks that form at the surface; EXIT the Earth before forming
What is Extrusive
What is marbles parent rock>
limestone
what are the naturally framing cements?
What is CaCO3 (calcite) & SiO2 (quartz) (can also be clay minerals)?
How does fossiliferous limestone form?
what is detrital
what are Sphere of silica crystals within limestone rock?
what are Geodes
For intrusive rocks, ----- texture: LARGE (coarse) mineral grains (visible to bare eye)
What is Phaneritic
what is slates parent rock?
What is shale
what are Rocks that are made of the remains of a once-living thing?
What is biochemical?
How does conglomerate form?
what is detrital
What are the characteristics of sandstone?
What is grainy and dust comes off when scratched?