Groundwater
Glaciers
Rocks
Rock Identification
Review
100
Fine-grained (clay) layer of rock that is impermeable to liquid
What is an aquitard/confining layer?
100
The process of ice bergs breaking off a glacier into the ocean
What is calving?
100
Crystals form as magma cools
What is the formation process of igneous rocks?
100
Pink, white, or gray Has conchoidal fracture Harder than glass
What is quartz?
100
Produces low viscosity lava
What is a shield volcano?
200
Level of sediment that is saturated with water
What is the water table?
200
Decreases friction at the base of a glacier
What is water?
200
Minerals are aligned due to extreme changes in pressure
What is foliation?
200
Medium-sized grains Mostly quartz Clastic
What is sandstone?
200
brittle, ductile (plastic), and elastic
What are the three ways rocks can deform?
300
Has high porosity because the grains are really large
What is gravel?
300
The main factor that determines how fast a glacier will flow
What is friction?
300
Holes left behind from gas bubbles
What is vesicular texture?
300
Mixture of light and dark minerals, but mostly light (and sometimes pink) Coarse-grained (intrusive)
What is granite?
300
Produces high viscosity lava
What is a dome volcano?
400
Amount of pore space in a rock or sediment
What is porosity?
400
What happens when ice bergs are first added to the ocean
What is sea level rise?
400
basalt
What is oceanic crust made of?
400
Fine-grained dark (mafic) minerals Extrusive
What is basalt?
400
The length of time it takes for a radioactive isotope to decay by half
What is a half life?
500
The degree of interconnected pore space
What is permeability?
500
Gradient, amount of flubber, temperature, shape of pipe
What are variables that were the same for the glaciers experiment?
500
Burial, compaction, and cementation
What are the processes that form sedimentary rocks?
500
Reacts with HCl acid Gray to very dark gray Sometimes has shell fragments
What is limestone?
500
(arrival time of the S-wave) - (the arrival time of the P-wave)
What is lag time?
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