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Which characteristic is not useful in the classification of igneous rocks?

User Uli
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2 Answers

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Two main characteristics are used to classify igneous rocks: 1) texture (the size of the mineral grains in the rock; and 2) composition (often determined by what the actual minerals are).
User Juuso Ohtonen
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3 votes

Answer:

1,2,3

Step-by-step explanation:

origin

texture

composition

User TheBlackCat
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