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1. Mode of formation.

2. Chemical composition.

3. Origin.

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12y ago
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13y ago

clastic chemical and organic.

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shine luster saltiness IGNEOUS

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11y ago

shape color texture

 

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12y ago

Color, texture, fracture.

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Q: What three things do geologist classify rocks based on?
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How do geologist classify a rock?

Geologists classify rocks by looking at their chemical and mineralogical composition then at the the size and shape of their component minerals then at any texture, pattern or grain that the rocks may display. They also classify them in relation to how they were formed.


What are the classes of metamorphic rocks?

Geologist classify metamorphic rocks according to the arrangement of the grains that make up the rocks and also it either being foliated or nonfoliated


Does a geologist study rocks oceans viruses or space?

A geologist studies rocks, among other things related to the earth.


Geologist classify rocks according to their?

They classify metamorphic rocks according to their parent rock or protolith.


A person who studies rocks and soil?

A geologist.


What do you call a person who studies the earth and rocks?

A geologist is a person who studies rocks and earth.


How do you use geologist in a sentence?

The geologist studied the rocks from space. The geologist always stays busy by studying the different rocks.


How do geologist classify sedimentary rocks?

They are classified as clastic or non-clastic. Clastic sedimentary rocks are formed from rock particles of various sizes. Non-clastic rocks are formed from precipitation of minerals out of solution or by the lithification of organic matter.


Which word is used to classify rocks based upon the way they were formed?

i do not kow


What type of scientists study rocks?

A geologist studies rocks and what the earth is made of. A petrologist is someone who looks at rocks directly.


What three things are used to classify igneous rocks?

Color and texture is one way to classify igneous rocks. Another way to do this is modal classification and normative classification.


What characteristic do geologist use to classify metamorphic rocks?

Generally they are either foliated (banded, layered) or non-foliated. They may also be classified by the degree of metamorphism and mineralogy.