science 3 column notes (earth)
definitions of many key words concerning the earth.(specificaly the layers and faults)
Terms
undefined, object
copy deck
- deformation
- change in the origianal shape or volume of rocks
- syncline
- a downward fold in rock
- tension
- the type of stress that pulls rocks apart
- dome
- a dome shaped, raised area formed by magma pushing on the above rock layers
- reverse fault
- a fault in which the hanging wal moves UP relative to the foot wall
- shearing
- the type of stress that pushes rocks of the crust in two opposite directions
- foot wall
- a block of rock below a fault
- fold
- a bend in rock
- thrust fault
- a reverse fault in which the hanging wall moves over the foot wall
- fracture
- a break or crack
- anticline
- an upward fold in rock
- the crust
- the surface layer of the earth
- hanging wall
- a block of rock above a fault
- fault-block mountain
- a mountain formed by blocks of rock uplifted by normal faults
- fault
- a break or crack that rocks move along
- seismologist
- a sciantist that studies earthquakes
- normal fault
- a fault in which the hanging wall moves DOWN relative to the foot wall
- stress
- the forces that push and pull on the earth's crust
- lateral fault
- a fault in which the blocks move horizontaly past each other
- compression
- the type of stress that squeezes rocks together
- rift valley
- a valley formed when a block of land between two normal faults slides downward
- plateau
- a large area of flat land that is raised above sea level