Texture of Porphyry and Oil shale
Characteristics related to grain size of rocks are called as texture. Here you can know more about texture of Porphyry and Oil shale. Texture of Porphyry is Porphyritic whereas that of Oil shale is Splintery. Based on the texture of rocks, they are used for various purposes. Get detailed information about Porphyry vs Oil shale texture, color, appearance and maintenance in the next section.