For example, silt carried by a flooding river will settle out ... reducing the available pore space and expelling much of the pore-water. 1) Clastic (detrital) sedimentary rocks are composed of the ...

Mudstone, shale, and limestone are examples of sedimentary rock likely to contain fossils. As the layers of sediment build up on top of one another, they create a physical timeline. The oldest layers, ...

Sedimentary rocks close sedimentary rockSedimentary rocks ... to weathering and erosion and are therefore very hard-wearing. Examples of metamorphic rocks include marble, which originates from ...

For example, in 1996, geologist Steve Mojzsis ... a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz. 5. Western Australia’s Pilbara Craton Sulfide ...

They may also form as a result of erosional processes, for example on steeply-dipping sedimentary strata, or by mass wasting, for example slumping or rock slides along steeply-inclined joints. Fault ...

Chalk, limestone, shale, and sandstone are all examples of sedimentary rocks. All these different sedimentary rocks are formed from the broken remains of other rocks that become joined together.