Monzonite Properties, Composition and Uses
Monzonite is a coarse-grained, plutonic, or intrusive igneous rock with an intermediate composition. Plutonic or intrusive rocks form deep inside
Rocks
Quartz Monzonite Composition and Uses
Quartz monzonite is a coarse-grained, felsic plutonic, or intrusive igneous rock. Felsic rocks are light-colored rocks rich in lighter elements
What Is Porphyritic Texture in Rocks and How Does It Form
Pyric (US) or porphyritic texture is an igneous rock texture with two distinctive crystal sizes, i.e., bimodal crystal sizes. One
Porphyry In Geology and Rock Examples?
A porphyry (plural porphyries) is an igneous rock with large, well-formed mineral grains set in a finer-grained matrix. Such rocks
Porphyritic Andesite Rock Composition and Formation
Porphyritic andesite rocks have large, well-formed crystals or phenocrysts of mostly plagioclase and, less often, hornblende and pyroxene. Less common
Porphyritic Rhyolite Composition and Uses
Porphyritic rhyolite has large, well-formed crystals, mostly alkali feldspar, plagioclase, quartz, and less often hornblende, pyroxene, or mica in a
Porphyritic Basalt Composition and Uses
Porphyritic basalt rocks have large, well-formed grains of calcic plagioclase, augite, olivine, and sometimes hornblende in fine-grained dark-gray to black
Porphyritic Granite Composition and Uses
Porphyritic granite has large, well-formed white or pink alkali feldspar and sometimes quartz, biotite, or plagioclase in a finer but
Porphyritic Gabbro Formation and Uses
Porphyritic gabbro has large, well-formed crystals of mostly calcic-plagioclase and sometimes augite, rarely olivine or other mafic minerals set in
Porphyritic Diorite Rock Formation and Uses
Porphyritic diorite rocks have large, well-formed mineral grains of feldspar and sometimes hornblende, pyroxene, or biotite set in a finer-grained