2.3 Sedimentary Rock Flashcards
Rock or Mineral Fragments
Sediment
A single, horizontal layer of rock is sometimes visable for miles
Strata (or Stratum)
Over time, sand grains get compacted, then cemented together to form this rock
Sandstone
Forms when clasts are cemented together
Clastic Sedimentary Rock
Rock or Mineral Fragments that form Clastic Sedimentary Rock
Clasts
Forms when minerals chrystalize out of a solution
Chemical Sedimentary Rock
Forms from once-living plants or animals
Organic Igneous Rock
Remains
Fossils
Tiny Organisms
Coral
Coral are in huge groups called…
Reefs
When animal remains in the ocean are cemented together, they form….
Fossiliferous Limestone
The process in which sediment are arranged into layers
Stratification
Examples form as flowing water, and preserved when the sediments became sedimentary rock
Ripple Marks
Form when fine-grained sediments at the bottom of a shallow body of water are exposed to air and dry out.
Mud Cracks