Volcanic rock often shortened to volcanics in scientific contexts is a rock formed from lava erupted from a volcanoIn other words it differs from other igneous rock by being of volcanic origin. Felsic is a contraction formed from feldspar the dominant mineral in felsic rocks. Mafic Vs Felsic Lava Earth Science Ocean Geology These terms are also used while talking about the characteristics of lava. . The illustration of the crystalline structure of mica shows the corner O. If Africa maintains its northward path it will continue to collide with Eurasia. Its physical state is molten. Granites 39 monzonite 20 diorite 17 gabbro 10. In this diagram Point A represents rock that fits which of the following descriptions. Continental plates are made of felsic or granitic rock. These are terms that are used by geologists to describe igneous rocks based upon their silica content. Sometimes I feel closer to my children...
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