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PYROCLASTIC ROCKS AND TEPHRA, Pyroclasts .

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Loma Schowalter

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3y ago

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Why is sediment size alone not enough to classify clastic rock?

Sediment size alone is not enough to classify clastic rock because other factors such as mineral composition, sorting, and rounding of the sediment particles also play a significant role in the classification of clastic rocks. These additional factors provide more detailed information about the rock formation processes and history.


What are the characteristics Scientists use to classify rocks?

Scientists classify rocks based on their mineral composition, texture, and origin. Mineral composition refers to the types and relative amounts of minerals present in the rock. Texture relates to the size and arrangement of the mineral grains, while origin refers to how the rock was formed (igneous, sedimentary, or metamorphic).


What would not be used to classify igneous rocks?

Color, as it is not a reliable indicator due to variations within the same type of rock. Texture, mineral composition, and formation conditions are typically used to classify igneous rocks.


How composition and texture are used to classify rock?

mineral composition is the minerals that the rocks are made of texture refers to the grain size (sediments or interlocking crystals) of the different components of that rock


Would mineral content classify an igneous rock?

No -- it's a type of rock, often a composite. Primay types are igneous (made by fire -- vulcanism), sedimentary (sea beds) and composite (a mixture of other types). In almost every case, all of these types are defined as how the substance at hand was created and in most cases they are not pure minerals.