Final Practice Flashcards
Great Flood
- mega ripple asymetrical
- Coulees
- Dry Waterfalls
- Scabland Terrain
- Glacier Dam Deposits
- Beach Cut Terraces
Coulee
dry ravine made from running water
Why is Quartz a survivor?
- Strong Bonds
- No Cleavages
- No Acid Reaction
- Hardness
- Can’t Rust
- Hardness
- Not Clay
- Stable
Bad Soil:
- Sandstone
- Quartz
- Dunite (super mafic)
Good Soil:
- Felsic
- Intermediate
- Mafic
Protolith of Quartzite
Sandstone
Protolith of Marble
Limestone
Protolith of Everything Else
Shale
Bowens Reaction Series
Mafic-Felsic
Left: Olivine, Pyroxene, Amphibole, Biotite
Right: Calcium-Sodium Rich Plagioclase
Middle: Orthoclase, Muscovite, Quartz
Breakdown Speed Locations
Fast V Hot Springs Tropical Areas Temperate Desert Polar Slow Breakdown ^
Arkose Sandstone
1/3 each of Quartz, Feldspar, and Mafic
Quartzose Sandstone
90% Quartz
Greywacke Sandstone
90% Andesite
Subduction Earthquake
- 3-5 years
- 9 or above
Shallow Earthquake
- 50 years
- 7.5 or above
Volcanic Earthquake
- variable
- 7.5
Deep Earthquake
- 30 years
- 7.5
Oil
- Source Rock (Organic Rich)
- Reservoir Rock (Aquifer)
- Cap Rock (Aquiclude)
- Anticline
- Oil Window (5k-50k deep)
Half Life
1/2: 0 1 2 3
Parent: 100% 50% 25% 12.5%
Daughter:0% 50% 75% 87.5%
Eras of the Earth
Cambrian Ordovician Silurian Devonian Mississippian Pennsylvanian Permian Traissic Jurassic Cretaceous Tertiary: Paleogene Tertiary: Neogene Quaternary
Clines
Sincline up
Anticline down
Richter Scale
- 1-10
- each point is 10 times larger then the last
- 31.6 times more energy per point
Mercalli Intensity Scale
1-12 scale of how an earthquake feels, 1 unfelt, 12 total destruction
Grain Size
Boulder: >10.1 in/256mm Cobble: 2.5/64-boulder Gravel: 0.079/2-cobble Sand: 0.0025/62.5-gravel Silt: 0.00015/3.90625-sand Clay: less then silt
