click below
click below
Normal Size Small Size show me how
science vocab #1-16
Term | Definition |
---|---|
Stress | a force that acts on rock to change it's shape or volume |
syncline | a downward fold in rock formed by compression in earth's crust |
anticline | an upward fold in rock formed by compression of earth's crust |
Folds | a bed in rock that forms where part of earth's crust is compressed |
Fault- block mountain | a mountain forms where a normal fault uplifts a block of rock |
reverse wall | a type of fault where the hanging wall slides upward |
footwall | the block of rock that forms the lower half of a fault |
hanging wall | the block of wall that forms the pper most half of earth |
normal fault | a type of fault where the hanging wall slides downward;caused by tension |
Strike-slip fault | a type of fault where rocks on either side move past each other sideways with little up-or-down motion |
fault | a break in earth's crust where slabs of rock slip past each other |
deformation | a change in volume or shape of earth's crust |
compression | stress that squeezes rock until it folds or breaks |
tension | stress that stretches rock so that it becomes thinner in the middle |
shearing | stress that pushes a mass of rock in opposite directions |