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Warm-up
Week 18
1. A mineral is a ______.
a. Type of rock
c. Extrusive Igneous
Feature.
b. Natural, solid with a
definite crystalline
structure.
d. Salt
2. A resource is a _________ item that can be
______ to do something.
a. necessary, used
b. mineral, made
c. valuable, manufactured
3. Oil comes from ______.
a. Dead, marine animals
c. Dead, land animals
b. The store
d. extrusive igneous
deposits
Californ
ia
13A.1 & 13A.2
Minerals, energy, soil, water.
Geology of CA
Tectonics + Erosion = Physical Features
– Below
– Above (“Surface”)
CA mineral resources
• Mineral:
1. Natural
2. Solid
3. Organized
crystal
structure
• Resource:
– Necessary item
– used to do
something.
CA’s Minerals
•
•
•
•
•
•
•
•
Sand
Gravel
Crushed stone
Building stone
Gold
Silver
Iron
Clay
• Most Valuable
Industrial Materials?
• Metallic Minerals?
• Nonmetallic
Minerals?
CA Energy Resources
Oil
• Dead marine organisms
• 15% USA Oil
– Source Rock
– Reservoir Rock
Natural Gas
• Forms with oil
• ↑ Rises to top of Reservoir Rock
• Heating
Geothermal
1.
2.
3.
4.
“Earth” + “Heat”
Volcanic Areas
Magma heats ground water
Steam spins turbines  electricity!
Q:
What is CA’s most
important resource?
CA Soil!
• Great Agriculture
• Farms!
– Less rain = More
nutrients! 
Fun Fact: 500 yrs for
2.5 cm of soil to form.
CA’s Water
Freshwater Sources:
1.
2.
3.
4.
Precipitation
Surface water
Groundwater
Desalination =
Remove salt from sea water
58 cm rain/yr
80%  Farming
20%  homes, business, recreation
CA Aqueduct
• Los Angeles was a Desert
• Big, fake, River
• Water from North  South