Section 1-Rock Cycle
rocks
Igneous rocks form from the cooling of ______ or lava.
magma
Metamorphic rocks that HAVE layers are called ________ metamorphic rocks.
foliated
Sediments can be formed through weathering and ___________ above or below Earth's surface.
erosion
Class Rock Sample
Obsidian
A model showing the processes that create and change rock
rock cycle
Magma trapped below Earth's surface form _______ igneous rocks.
intrusive
Metamorphic rocks that DON'T have layers are called ___________ metamorphic rocks.
nonfoliated
TRUE/FALSE....the majority of our fossil records on Earth are found in sedimentary rocks.
true
Class Rock Example
Slate
These types of rock form from the melting and then cooling of other types of rock
igneous
extrusive
Slate is a ___________ metamorphic rock.
foliated
Which category of sedimentary rocks form from the remains of once-living organisms?
organic
Class Rock Sample
Scoria
These types of rock form from heat and pressure
metamorphic
intrusive
Quartz and Marble are two examples of ________ metamorphic rocks.
nonfoliated
There are 3 types of sedimentary rocks---Detrital, Organic, and C_________.
Chemical---what's up DOC!
Class Rock Sample---What category of rock is this?
intrusive igneous rock----granite
Sediments form from weathering and erosion. Sedimentary rocks form from _________ and cementation.
compaction
Pumice and Scoria are __________ igneous rocks.
extrusive
G________ is a foliated metamorphic rock that is formed from the igneous rock granite.
gneiss
Rock salt and limestone are both examples of _______ sedimentary rocks.
detrital organic chemical
chemical
foliated metamorphic ----gneiss