rocks
Maps of North American rock types : rock types - metamorphic, plutonic, sedimentary, volcanic; tapestry of time and terrain, terrain ▪ North American Craton
Petrology ◘ basalt ◘ breccia ◘ felsic (sial) ◘ gabbro ◘ granite ▪ greenstone belts ◘ hornfels ◘ igneous rocks ◘ lava ◘ mafic (sima) ◘ magma ◘ metamorphic rocks ◘ peridotite ▪ porphyry ▪ plutonic ◘ rocks ◘ sedimentary rocks ▪ texture ▪ xenoliths ▪
Mineralogy ◘ crystallization ▪ phenocryst
Tables Geology Section Elemental Composition of Crust Flood Basalts and Stratigraphic Boundaries Minerals & Rocks: Carbonates Minerals & Rocks: Evaporates, Sulphates Minerals & Rocks: Metamorphic Minerals & Rocks: Oxides Radiometric Dating Volcanoes Weathering of Minerals
images : Rock gallery :
Petrology ◘ basalt ◘ breccia ◘ felsic (sial) ◘ gabbro ◘ granite ▪ greenstone belts ◘ hornfels ◘ igneous rocks ◘ lava ◘ mafic (sima) ◘ magma ◘ metamorphic rocks ◘ peridotite ▪ porphyry ▪ plutonic ◘ rocks ◘ sedimentary rocks ▪ texture ▪ xenoliths ▪
Mineralogy ◘ crystallization ▪ phenocryst
Tables Geology Section Elemental Composition of Crust Flood Basalts and Stratigraphic Boundaries Minerals & Rocks: Carbonates Minerals & Rocks: Evaporates, Sulphates Minerals & Rocks: Metamorphic Minerals & Rocks: Oxides Radiometric Dating Volcanoes Weathering of Minerals
images : Rock gallery :
Labels: igneous rock, metamorphic, plutonic, rock distribution, rock types, sedimentary