conglomerate
conglomerate
Conglomerate is a type of sedimentary rock that forms from large sediments like rocks and pebbles. These sediments are cemented together by smaller particles like sand and mud to create a rock with a clastic texture. Conglomerate is often found in areas where there has been significant water movement, such as riverbeds and alluvial fans.
Conglomerate
Breccia.
Some are, yes. But broadly speaking, sedimentary is rock made of sediment, which can be far smaller. A classic example of a rock/pebble rock is conglomerate.
Conglomerate is a sedimentary rock made up of tiny rounded pebbles cemented together by sediments that pile on top of them. The pebbles become cemented together by minerals like silica, calcite, and iron oxides.
Yes, coarse sedimentary rock can be made up of pebbles or boulders. Coarse sedimentary rocks are formed from the accumulation and cementation of larger grains, such as pebbles and boulders, that are transported by water, ice, or wind. These larger grains are typically found in rocks like conglomerate or breccia.
The formation of sedimentary rocks requires the accumulation and compaction of sediments, followed by the cementation of the sediments by minerals like silica or calcite. Over time, these processes lead to the solidification of the sediments into sedimentary rock.
The heaviest sediments like sand, small pebbles, and other detritus drop out of the current first. Lighter sediments like like silt are carried farther out.
Clasts Pebbles (in a conglomerate) Geodes
Sediments can change into sedimentary rocks through processes like compaction and cementation. They can also be eroded and transported to new locations by forces like wind and water.
Clastic and organic sedimentary rocks like conglomerate, coal, some limestones, and shale, are formed under pressure from overlying sediments.