rocks are classified as igneous, sedimentary, or metamorphic based primarily on their\n1. texture\n2…

rocks are classified as igneous, sedimentary, or metamorphic based primarily on their\n1. texture\n2. crystal or grain size\n3. method of formation\n4. mineral composition

rocks are classified as igneous, sedimentary, or metamorphic based primarily on their\n1. texture\n2. crystal or grain size\n3. method of formation\n4. mineral composition

Answer

Brief Explanations:

Igneous rocks form from cooling magma or lava, sedimentary rocks from the accumulation of sediments, and metamorphic rocks from existing rocks changing due to heat and pressure. So the classification is mainly based on formation method.

Answer:

  1. method of formation