Term
|
Definition
| A fault in which surfaces on opposite sides of the fault plane have moved horizontally and parallel to the strike of the fault |
|
|
Term
|
Definition
| Dip-slip faults are inclined fractures where the blocks have mostly shifted vertically. If the rock mass above an inclined fault moves down, the fault is termed normal |
|
|
Term
|
Definition
| if the rock above the fault moves up, the fault is termed reverse |
|
|
Term
|
Definition
| At eroded surface, youngest layer in center |
|
|
Term
|
Definition
| At eroded surface, oldest layer in center |
|
|
Term
|
Definition
| one of a series of small marine, lake, or riverine topographic features, consisting of repeating wavelike forms with symmetrical slopes, sharp peaks, and rounded troughs. |
|
|
Term
|
Definition
| (near-) horizontal units that are internally composed of inclined layers |
|
|
Term
|
Definition
| an annual layer of sediment or sedimentary rock |
|
|
Term
|
Definition
| form when muddy sediment is exposed to the atmosphere and dries up. They have a characteristic polygonal shape when viewed from above. |
|
|
Term
|
Definition
| are the preserved remains or traces of animals (also known as zoolites), plants, and other organisms from the remote past |
|
|
Term
|
Definition
| a fine-grained, clastic sedimentary rock composed of mud that is a mix of flakes of clay minerals and tiny fragments (silt-sized particles) of other minerals, especially quartz and calcite. |
|
|
Term
|
Definition
| Can form in marshes and swamps with fine grained sediments (muds and clays), deep lakes, oceans |
|
|
Term
|
Definition
| a sedimentary rock composed mainly of sand-sized minerals or rock grains |
|
|
Term
|
Definition
| a sedimentary rock which has a grain size in the silt range, finer than sandstone and coarser than claystones |
|
|
Term
|
Definition
| a fine grained sedimentary rock whose original constituents were clays or muds, with varves |
|
|
Term
|
Definition
| a fine grained sedimentary rock whose original constituents were clays or muds, with ripple marks |
|
|
Term
|
Definition
| a fine grained sedimentary rock whose original constituents were clays or muds, with cracks of mud in it. |
|
|
Term
|
Definition
| a sedimentary rock composed mainly of sand-sized minerals or rock grains that has internal inclined layers |
|
|
Term
|
Definition
| the mineral form of sodium chloride (NaCl). Halite forms isometric crystals. Typically colorless or white |
|
|
Term
|
Definition
| a very soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4ยท2H2O |
|
|
Term
|
Definition
| Cenozoic, Mesozoic, Paleozoic, Neoproterozoic, Mesoproterozoic, Paleoproterozoic, Neoarchean, Mesoarchean, Paleoarchean, Eoarchean |
|
|
Term
|
Definition
| Phanerozoic, Proterozoic, Archean |
|
|
Term
|
Definition
| Quaternary, Neogene, Paleogene, Cretaceous, Jurassic, Triassic, Permian, Carboniferous, Devonian, Silurian, Ordovician, Cambrian |
|
|
Term
|
Definition
| Ediacaran, Cryogenian, Tonian, Stenian, Ectasian, Calymmian, Statherian, Orosirian, Rhyacian, Siderian |
|
|
Term
| When did hominids begin to evolve? |
|
Definition
|
|
