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76 Cards in this Set

  • Front
  • Back

Paleoclimatology

Study of past climates and causes of climate change

Proxy

Climate estimates from natural record

Dendrochonology

Tree rings

Palynology

Pollen analysis

Causes of climate change

Volcanic activity


Meteors


Sunspots


Earth sun variation


Greenhouse gases

Earths interior

Density differences inferred from seismic waves


Denser layers-wave speed increases


Geothermal Gradient

Temperature increases with increasing depth

Inner core

Solid, high density

Outer core

Liquid, molten lower density

Mantle

Solid, top is plastic deforms and flows

Lithosphere

Cool hard and strong

Aesthenosphere

Flows horizontally and vertically, plastic layer, volcanoes and mountain building

Crust

Thin, solid exterior


Lowest density


Oceanic and continental

Divergent plate boundary

Crustal extension, rifting and sea floor spreading

Convergent plate boundary

Crustal compression, subduction and suturing

Transform bounday

Crustal shear

Vulcanism

Crystallization of molten material above and below earths surface

Aspiration

Frictional locks

Fault

Fraction movement along both sides

Pahoehoe

Ropey, glassy lava

A'a

Rocky, jagged lava

Pillow lava

Underwater lava flow

Shield volcanoes

Continuous Balasitic lava flows

Shield volcanoes

Continuous Balasitic lava flows

Cinder volcanoes

Small cone, multiple vents

Shield volcanoes

Continuous Balasitic lava flows

Cinder volcanoes

Small cone, multiple vents

Composite cone volcano

Classic cone type

Compression waves

P-waves push pull, move quickest of waves, go though all material

Compression waves

P-waves push pull, move quickest of waves, go though all material

Shear waves

S-waves, slower wave, can't move through fluid, perpendicular to wave motion

Love waves

Side by side, surface damage

Love waves

Side by side, surface damage

Rayleigh wave

Heaving motion

Focus

Point at which slip initiates

Body waves

Seismic waves that pass through whole earth

Surface waves

Move slower than body waves, cause most destruction

Compressive forces

Shorten and thicken crust

Folding

Lateral compression of crust

Monicline

Single slope

Anticline

Symmetrical upfold

Syncline

Symmetrical downfold

Overfold

Asymmetrical fold

Normal fault

Tensional force

Normal fault

Tensional force

Reverse fault

Shortening

Thrust fault

Shortening

Strike slip fault

Shear

Viscosity

Fluids resistance to flow

Lava flow

Non-explosive eruption

Batholiths

Large intrusive, form mountains

Lacoliths

Formed by lava flowing through sedimentary layers, small intrusive formation

Dike

Formed by Lava moving vertically through ore existing rock, small, widespread

Minerals

Inorganic


Specific Chemical formula


Crystal structure

Minerals

Inorganic


Specific Chemical formula


Crystal structure

Rocks

Assemblage of one or more minerals bound together, complex and variable

Minerals

Inorganic


Specific Chemical formula


Crystal structure

Rocks

Assemblage of one or more minerals bound together, complex and variable

Igneous rock

Solidified and crystallized from molten state

Minerals

Inorganic


Specific Chemical formula


Crystal structure

Rocks

Assemblage of one or more minerals bound together, complex and variable

Igneous rock

Solidified and crystallized from molten state

Extrusive (igneous) roxk

Reaches surface while molten, cooks rapidly

Minerals

Inorganic


Specific Chemical formula


Crystal structure

Rocks

Assemblage of one or more minerals bound together, complex and variable

Igneous rock

Solidified and crystallized from molten state

Extrusive (igneous) rock

Reaches surface while molten, cools rapidly

Intrusive (igneous) rock

Cools from below surface

Intrusive (igneous) rock

Cools slowly from below surface

Sedimentary rocks

Formed from rock fragments and minerals disintegrated by external processes

Detrital (clastic) sedimentary rock

Formed from rock fragments

Detrital (clastic) sedimentary rock

Formed from rock fragments

Chemical sedimentary rock

Formed from dissolved minerals

Organic sedimentary rock

Dead plants and animals

Metamorphic rock

Formed by transformation, needs heat or pressure

Uniformitarianism

Present is the key to the past