Structure
Rocks
Minerals
EQ and Volcano
Geologic Time
100
This layer of the earth is liquid
Outer Core
100
What 2 step process must an igneous rock go through to become metamorphic?
heat and pressure
100
What is the physical property in which minerals break along flat surfaces
Cleavage
100
Fault at a convergent boundary caused by compression
Reverse
100
What type of fossil is a coprolite?
Trace
200
S-waves cannot travel through this layer of Earth
Outer Core
200
What is the 5 step process for sedimentary rocks to form?
Weathering, Erosion, Deposition, Compaction, Cementation
200
This is the physical property that describes how light reflects off a surface
Luster
200
Fault where the hanging wall is "up" and the foot wall is "down"
Reverse fault
200
What Era are we presently in?
Cenozoic
300
This layer of earth is the thickest
Mantle
300
This is made up of two or more minerals
Rock
300
What property does not change if a mineral is broken into two pieces.
Chemical Composition
300
Hawaii was formed on a
Hot spot
300
What era takes up the majority of geologic time?
Precambrian
400
This layer of Earth is made up of both Crust and Mantle
Lithosphere
400
Coral is an example of what specific type of sedimentary rock?
Organic
400
If calcite is scratched by quartz, which is "stronger"? What characteristic is tested in this example?
Quartz. Hardness
400
The boundary at the ring of fire is what?
Convergent
400
A place where eroded rock is in contact with with a newer rock layer is called what?
Unconformity
500
This is the most dense layer of the lithosphere
Oceanic Crust
500
Igneous rock in the oceanic crust is mainly what type of rock
Basalt
500
The process of extracting useful metal from ore is called
smelting
500
Name a divergent boundary
Mid-ocean ridge
500
Fossils of widely distributed organisms that lived a short time are called what?
Index fossil
M
e
n
u