Answer:
Sedimentary rocks are formed when sediment (bits of rock plus materials such as shells and sand) get packed together. read down below to understand
Explanation:
What environmental changes are responsible for the changes a metamorphic rock undergo as grade increases from low to high?
As the temperature and/or pressure increases on a body of rock we say that the rock undergoes prograde metamorphism or that the grade of metamorphism increases. Low-grade metamorphism takes place at temperatures between about 200 to 320oC, and relatively low pressure.
What are the different sedimentary rock types based on grain size from small to large?
Sandstone is made of sand-sized particles. Siltstone is made of smaller particles. Silt is smaller than sand but larger than clay.
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Clastic Sedimentary Rocks.
Rock Sediment Size Other Features
Breccia Large Angular
Sandstone Sand-sized
Siltstone Silt-sized, smaller than sand
Shale Clay-sized, smallest
How the physical characteristics of sediments change during transport?
During transport by wind or water, eroded sediments can have their physical characteristics changed. The most notable change is size. The turbulence the sediment particles encounter in wind or water leads to collisions between particles which cause fragmentation and thus reducing their size.
