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How do the rock fragments formed by weathering become rounded grains?
Rock fragments become rounded through the process of abrasion, where they collide with each other as they are transported by wind, water, or ice. This continuous knocking against one another smooths out the sharp edges and corners, gradually transforming the fragments into rounded grains.
A sedimentary rock that forms when rock fragments are squeezed together is called a what kind of rock?
A sedimentary rock that forms when rock fragments are squeezed together is called a conglomerate. This rock is composed of rounded fragments that have been cemented together by a finer material, such as sand or mud.
Which describes breccia?
Breccia is a type of sedimentary rock composed of angular fragments that are cemented together. It forms when rock fragments are broken apart through processes like faulting or landslides and then re-cemented together. This gives breccia a rugged appearance with sharp edges and can vary in color depending on the types of rock fragments present.
Are pebbles classified as a sedimentary rocks?
No, pebbles are small, rounded fragments of rock that can be found within sedimentary rocks, but they are not considered sedimentary rocks themselves. Sedimentary rocks are formed from the accumulation and solidification of sediments over time.
What is a sedimentation rock composed of large chunks?
A sedimentary rock composed of large chunks is called a conglomerate. It is formed from the consolidation and lithification of rounded gravel and pebble-sized rock fragments. These rock fragments are held together by a matrix of sand, silt, or clay.
