Igneous Petrology |
Contents
Magma and Igneous Rocks | 1 |
Classification and Variety of Igneous Rocks | 27 |
Factors in Magmatic Evolution | 60 |
Copyright | |
12 other sections not shown
Other editions - View all
Common terms and phrases
abundant acid activity alkali basalts alkali feldspar analyses andesites anorthosite assemblage atoms augite basaltic magma basanites basic batholiths biotite calculated carbonatite Carmichael chemical coexisting components composition continental cooling crust crystalline crystallization curve depth diabase differentiation diopside eclogite equilibrium erupted example experimental feldspar fraction free energy fugacity fusion gabbro garnet glass granitic granophyres groundmass H₂O hornblende igneous rocks intrusion island isotopic K₂O kimberlite lavas layered leucite lherzolite mafic magma magma type magnetite melting metamorphic mineralogical minerals Na₂O nepheline nephelinites normative oceanic olivine olivine basalts orthopyroxene oxides oxygen peralkaline percent peridotite phase phenocrysts phlogopite phonolites plagioclase plutonic potassic pressure province pyroxene quartz ratio Rb/Sr reaction rhyolites sanidine silicate liquids SiO2 Skaergaard sodic solid solution spinel strontium surface syenites Table temperature tholeiitic TiO2 trachytes ultramafic values variation Verhoogen viscosity volcanic rocks volume xenoliths zone