A porphyritic texture displays minerals in two distinct size populations one or more minerals are consistently larger than the rest of the minerals in a rock
Mar 18 2017 Porphyry This name refers to the structure which is formed of larger crystals set in a fine grained or glassy ground mass The porphyritic
Many rocks with an overall fine grained texture display scattered minerals that are more than 1 mm across This porphyritic texture indicates that the magma sat
Porphyritic is an adjective used in geology specifically for igneous rocks for a rock that has a distinct difference in the size of the crystals with at least one group
Porphyritic texture is an igneous rock texture in which large crystals are set in a finer grained or glassy groundmass Porphyritic textures occur in coarse medium
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