1. Geology 101

2. What you should know…
Geologic History
Earth’s Interior
Rock Cycle

3. Geologic History Precambrian Era Vulcanism Fault Ancient Sea
Igneous Rock

4. Geologic History Paleozoic Era Erosion Erosion Sediments Sediments
Igneous Rock

5. Geologic History Mesozoic Era Erosion Sediments Sediments Igneous Rock
Mountains Forming

6. Geologic History Cenozoic Era Sedimentary Mountains Eroding
Mountains Forming
Sedimentary Plains
APPALACHIAN MOUNTAINS
PACIFIC OCEAN
ROCKY MOUNTAINS
Igneous Rock
ATLANTIC OCEAN
INTERIOR PLAINS
CANADIAN SHIELD

7. Earth’s Interior HYDROSPHERE ATMOSPHERE Crust - 8-64 km thick
Air
ATMOSPHERE
Water
Crust
km thick
- cold & fragile
- Granite and Basalt
Land
LITHOSPHERE
Mantle
km thick
- hot & molten
- Magnesium and Silicon
Outer Core
km thick °C
- liquid Nickel and Iron
Inner Core
km thick °C
- solid Nickel and Iron

8. Rock Cycle MAGMA Heats and melts Cools and hardens IGNEOUS METAMORPHIC
Weathers, erodes, and deposits
Stresses or heats
SEDIMENTARY