Dynamic Earth Final

Front 1

Metamorphic Rock

Back 1

Formed from pre-existing rock by adding heat and pressure

Front 2

Fault Scarp

Back 2

Small step on the ground where one side of a fault has moved vertically with respect to the other

Front 3

Epicenter

Back 3

The point on the surface of the earth directly above hypocenter

Front 4

Recrystallization

Back 4

Minerals change size and shape

Front 5

Phase Change

Back 5

Same chemical formula and different crystal structure

Front 6

Neocrystaliztion

Back 6

New minerals with pressure or temp change

Front 7

Pressure Solution

Back 7

Mineral grains partially dissolve

Front 8

Plastic Deformation

Back 8

Mineral grains soften and deform

Front 9

Differential Stress

Back 9

Pressure that is greater in one orientation

Front 10

Fault

Back 10

Large fracture on which sliding occurs

Front 11

Metamorphic Rock

Back 11

Formed from pre-existing rock by adding heat and pressure

Front 12

Fault Scarp

Back 12

Small step on the ground where one side of a fault has moved vertically with respect to the other

Front 13

Epicenter

Back 13

The point on the surface of the earth directly above hypocenter

Front 14

Recrystallization

Back 14

Minerals change size and shape

Front 15

Phase Change

Back 15

Same chemical formula and different crystal structure

Front 16

Neocrystaliztion

Back 16

New minerals with pressure or temp change

Front 17

Pressure Solution

Back 17

Mineral grains partially dissolve

Front 18

Plastic Deformation

Back 18

Mineral grains soften and deform

Front 19

Differential Stress

Back 19

Pressure that is greater in one orientation

Front 20

Fault

Back 20

Large fracture on which sliding occurs

Front 21

Hypocenter

Back 21

The focus of the earthquake

Front 22

Hydrothermal Metamorphism

Back 22

Alteration by hot, chemically aggressive water

Front 23

Subduction Metamorphism

Back 23

Creates Blue schist

Front 24

Exhumation

Back 24

metamorphic rocks returning to the surrface

Front 25

Shields

Back 25

eroded remnants of orogenic belts

Front 26

Deadliest Earthquake

Back 26

China 1557 830,000 killed

Front 27

Largest Earthquake on East Coast

Back 27

South Carolina 1886
6.7 magnitude

Front 28

Liquefaction

Back 28

Water-saturated sediment turn into a mobile fluid

Front 29

Recurrence Interval

Back 29

Average time between events

Front 30

Seismic Gaps

Back 30

Places that havent slipped recently, most likely canidates for earthquake

Front 31

unconformity

Back 31

time gap in the rock record due to non deposition or erosion

Front 32

sequence

Back 32

relative order in which rock occur

Front 33

Hadean Eon

Back 33

Formations of Oceans
4.6-3.8 Ga

Front 34

Archean Eon

Back 34

Birth of Continents, First life forms 3.8-2.5 Ga

Front 35

Proterozoic Eon

Back 35

Techtonic plates form, first traces of ozone 2.5-.542 Ga

Front 36

Phanerozoic Eon

Back 36

Continents break up, first visible life 542 Ma-Present

Front 37

Paleozoic Era

Back 37

Life diversified rapidly
542-251 Ma

Front 38

Mesozoic Era

Back 38

Age of Dinosaurs
251-65.5 Ma

Front 39

Cenozoic Era

Back 39

Age of mammals
65.5 Ma-Present

Front 40

Relative Humidity

Back 40

Amount of water in the air divided by he amount of water it could hold

Front 41

Water Shed

Back 41

The region that collects water that feeds into a given drainage network

Front 42

Dendritic Drainage Network

Back 42

Branching, treelike

Front 43

Radial Drainage Network

Back 43

Outward from a central point

Front 44

Rectangular Drainage Network

Back 44

Bend at right angles, controlled by jointed rocks

Front 45

Field Capacity

Back 45

The amount of water the ground can hold when it is fully drained

Front 46

Hydrograph

Back 46

Velocity of a stream as a function of time

Front 47

Rill Erosion

Back 47

Water concentrated into innumerable closley spaced small channels and cut vertically and horizontally if left unchecked

Front 48

Gullies

Back 48

Steep-Sided trenches formed by connected rills

Front 49

Rain-Splash

Back 49

erosion caused by impact of water striking earths surface

Front 50

Displacement

Back 50

amount of slip on the fault

Front 51

Stress

Back 51

Push, pull, or shear of a rock

Front 52

Stick-slip behavior

Back 52

stop-start movement along a fault plane caused by friction, which prevents movement until stress builds up sufficiently

Front 53

Fault Creep

Back 53

When movement on a fault line happens without generating earthquakes

Front 54

Foliation

Back 54

Planar fabric from aligned materials

Front 55

Dynamic Metamorphism

Back 55

Shearing at fault zones break rocks

Front 56

Regional Metamorphism

Back 56

Tectonic collisions deform huge mobile belts

Front 57

Prolith

Back 57

Parent Rock