Paleogeology

Paleogeology, Paleoclimate, in relation to Evolution of Life on Earth

site map

◘◘ Geological TimeHadeanArchaeanArchaean supercontinents (supercontinents Vaalbara, Kenorland, continent Ur) ◘ ProterozoicPhanerozoic

◘◘ Geologic Features/Processes contact metamorphismdynamic metamorphismEarth's structuregeologic provinceshydrothermal metamorphismigneous structuresimpact metamorphismmantle plumesmetamorphismmid-oceanic ridgesmountains, mountain belts, mountain building, mountain rangesoceanic-crustoceanic structuresorogeny, orogenic beltsregional metamorphismsubduction, subduction zonesubduction zone magmastectonicsthermal metamorphism volcanic islandsvolcanoes

◘◘ Petrologybasaltbrecciacomposition of oceanic crustfelsic (sial) ◘ gabbrogranitehornfelsigneous rockslavamafic (sima) ◘ magmametamorphic rocksophiolite complexesperidotiterockssedimentary rocks ◙◙ Rock Index: alphabetic ◙◙ Rock Index: Igneous Rocks ◙◙ Rock Index: Metamorphic Rocks ◙◙ Rock Index: Sedimentary Rocks ◙◙

◘◘ Mineralogycrystallization ◊◊ Minerals Site Map ◊◊

◘◘ Regional Geologic History : CanadaAcasta Gneiss ComplexSlave cratonYellowknife: images of lithology and geomorphology of Slave Craton
US US westUS w alternatives

◘◘ Life on EarthTimeline Earth Life"Peribiotic" conditions?Climate and Extinction

◘◘ Techniques biostratigraphypaleomagnetism radiometric datingseismology

◘◘ Atmosphere HydrogenPrebiotic atmosphere"Peribiotic" conditions?

◘◘ Climate

Geological TermsBalticaBaltic-ShieldbasaltCanadian ShieldcryoseismdiapirdikeFennoscandian ShieldgabbroGondwanagranitegreenstone beltsLaurentiaLaurentian ShieldNorth American Cratonporphyry ▪ ▪ Rodiniasillsstrata, stratum

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 

News items
Meteor mega-hit spawned Australian continent: researchers - Yahoo! News
Global Warming Can Trigger Extreme Ocean, Climate Changes, Scripps-led Study Reveals

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