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How fossil form in rock?
Fossils in rocks are pretty much like clay.
What types of rocks initially form from deposition?
Sedimentary rocks form from the deposition and compaction of sediment such as sand, silt, and clay. These rocks include sandstone, shale, and limestone.
Rocks made of other rock fragments cemented together are called?
Rocks made of other rock fragments cemented together are called sedimentary rocks. These rocks form through the deposition and solidification of sediments, such as sand, clay, and pebbles, that have been compacted and cemented together over time.
Is it possible for a rock to be derived from clay?
Yes, it is possible for rocks to form from clay. Clay is a type of sedimentary rock that is composed of very fine mineral particles. Over time, compaction and cementation of clay particles can lead to the formation of sedimentary rocks such as shale or mudstone.
Tiny pieces that form from the weathering of rocks are called what?
The tiny pieces formed from the weathering of rocks are called sediment or sedimentary particles. These particles can vary in size, from fine clay and silt to coarser sand and gravel, depending on the type of rock and the weathering process.
Is clay formation a result of mechanical or chemical weathering?
Clay formation is primarily a result of chemical weathering, where minerals in rocks are broken down by chemical processes to form clay minerals.
What tiny pieces of rock are called?
Tiny pieces of rock are called 'grains' or 'particles'. These small fragments of rock can vary in size from sand grains to silt or clay particles.
What are rocks that form layer by layer over many years called?
They are called sedimentary rocks.
How do metamorphic rocks form from metamorphic rocks?
Sedimentary rocks form from layers of sand, silt or clay, sometimes mixed with pebbles, and the bodies of living things (that may the be fossilised) The rocks are often quite soft. Metamorphic rocks form when rocks (usually sedimentary rocks) are subjected to extreme heat and/or pressure, usually deep underground. The rocks are changed in form, often becoming harder. Fossils are usually destroyed by the process.
What is a rock that deforms like a piece of molded clay called?
A rock that deforms like molded clay is called a plastic rock. These rocks can be easily reshaped due to the internal flow of their minerals. Examples of plastic rocks include shale, claystone, and serpentinite.
How does schist form from shale?
Shale rocks are formed in the deep waters of swaps, oceans and lakes where the water is still and the fine clay and silt particles are able to settle to the floor. Shale rocks can easily erode due to weathering.
Why sedimentary rocks could not have been the first rocks on earth?
Sedimentary rocks form from the accumulation of sediment such as sand, silt, or clay. For sedimentary rocks to form, there must be pre-existing rocks that weather and erode to produce sediment. Therefore, sedimentary rocks could not have been the first rocks on Earth as they require the presence of older rocks to form.
