click below
click below
Normal Size Small Size show me how
science
study stack for science
Term | Definition |
---|---|
Compaction- | the process in which sediment is squeezed and in which the size of the pore space between sediment grain is reduced by the weight and the pressure of overlying layers. |
Cementation | the process in which sediments are glued together by minerals that are deposited by water. |
Chemical sedimentary rock- | forms when the icons dissolved minerals percipitate out of water because of the changing concentrations of chemicals. |
Organic sedimentary rock | forms from the remain of living things |
Clastic sedimentary rock- | formed from deposits. |
Sorting- | the tendency for currents of air or water to separate sediments according to the size. |
Angularity- | a sediment is transported from its source to where it is deposited. |
Stratification | layering of sedimentary rock. |
Cross-bedding | slanting layers |
Ripple marks | caused by wind or water on sand. |
Mud cracks- | a feature of sedimentary rock. muddy deposits dry and crack. |
Concretions- | the traces of plants and animals. |