PLUTON the formation of igneous rock
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plutonsPLUTON, the formation of igneous rock
plutonicpertaining to pluton (the formation of igneous rock)
plutonthe formation of igneous rock
DIORITEIgneous rock on which the Code of Hammurabi is inscribed
peridotitean ultramafic igneous rock, the major constituent of the mantle
intrusionA body of igneous rock that has intruded the surrounding strata
peridotitesPERIDOTITE, an ultramafic igneous rock, the major constituent of the mantle
intrusionsA body of igneous rock that has intruded the surrounding strata
pneumatolysisthe destructive action of the hot vapours of magma on igneous rock
rhyolitefine-grained igneous rock rich in silica: the volcanic equivalent of granite
plutonsany body of igneous rock that solidified far below the earth's surface
plutonany body of igneous rock that solidified far below the earth's surface
pneumatolysesPNEUMATOLYSIS, the destructive action of the hot vapours of magma on igneous rock
groundmassthe fine-grained part of an igneous rock, in which the larger crystals are embedded
pneumatolyticrelating to pneumatolysis, the destructive action of the hot vapours of magma on igneous rock
groundmassesGROUNDMASS, the fine-grained part of an igneous rock, in which the larger crystals are embedded
xenolithicof or like a xenolith, a rock fragment foreign to the igneous mass in which it occurs
deutericRelating to or denoting alteration of the minerals of an igneous rock during the later stages of consolidation
intrusionThe action or process of forcing a body of igneous rock between or through existing formations, without reaching the surface
intrusionsThe action or process of forcing a body of igneous rock between or through existing formations, without reaching the surface
phacolithan intrusive mass of igneous rock situated between strata at the top of an anticline or the bottom of a syncline
phacolithsPHACOLITH, an intrusive mass of igneous rock situated between strata at the top of an anticline or the bottom of a syncline
laccolithsA mass of igneous rock, typically lens-shaped, that has been intruded between rock strata causing uplift in the shape of a dome
laccolithA mass of igneous rock, typically lens-shaped, that has been intruded between rock strata causing uplift in the shape of a dome
ophioliteAn igneous rock consisting largely of serpentine, believed to have been formed from the submarine eruption of oceanic crustal and upper mantle material
noritegranular igneous rock consisting of a mix of light and dark minerals, the former being calcic plagioclase feldspars, and the latter orthorhombic pyroxenes
noriticgranular igneous rock consisting of a mix of light and dark minerals, the former being calcic plagioclase feldspars, and the latter orthorhombic pyroxenes
noritesgranular igneous rock consisting of a mix of light and dark minerals, the former being calcic plagioclase feldspars, and the latter orthorhombic pyroxenes
metamorphicDenoting rock that has undergone transformation by heat, pressure, or other natural agencies, e.g., in the folding of strata or the nearby intrusion of igneous rocks
xenolithsA piece of rock within an igneous rock that is not derived from the original magma but has been introduced from elsewhere, esp. the surrounding country rock