This mineral property describes the way light is reflected off the mineral
Luster
If a rock cools slowly inside earth, and has large crystals, it can be described as
Intrusive
Sedimentary rocks can be identified by their distinctive
layers
Is marble foliated or nonfoliated?
nonfoliated
When a rock is eroded or broken down, what are those small pieces called?
sediment
This mineral has the nickname "fool's gold"
Pyrite
If magma is thick, iron (Fe) rich, and forms dark called rocks it is
Mafic
What are the 3 types of sedimentary rocks
clastic, chemical, and organic
Metamorphic rocks with a layered or banded look are called
foliated
We use the rock cycle to show how rocks do what?
transform or change
Copper, Graphite, Gold, and Diamond all belong to this mineral group
Native elements (AKA pure elements)
If you can see the individual crystals in a rock without a magnifying glass, it is
coarse grained
True or false: if a rock layer is on top of another one, it has been deposited there and is younger than the one beneath it.
True
What two processes form metamorphic rocks
heat and pressure
When heat or pressure is applied to a rock, it becomes
metamorphic
When a mineral breaks regularly along EVEN planes, it is called
Cleavage
These two processes form igneous rocks
melting and cooling
These two process form sedimentary rocks
compaction and cementation
What is the parent rock of quartzite?
sandstone
when a rock melts and cools down, it becomes
igneous
Rocks that contain a useful mineral that can be mined and sold at a profit are called
Ores
List one example of an extrusive igneous rock
obsidian, pumice, scoria, basalt, rhyolite, tuff, dacite, or andesite
What particles make up the clastic rock Shale
clay or mud
Which rock most probably formed in the contact metamorphic zone within rock unit 6?
Marble, Basalt, Quartzite, or Hornfels
Hornfels
when a rock is compacted and cemented, it becomes
sedimentary