grande, sea, deep, great, huge, failed, east, north kenya, jordan, suez, axial, growing, serious, soviet, eastern, western, narrow, central, major, global, active, open, family, little, every southwest widening, deepening, gregory, axial, serious, soviet, permanent, cultural, family, every volcanic, atlantic, internal political ethiopian, oceanic, continental, fundamental ethiopian, ideological ideological

zones, zone, lakes, phase, floor, stage, in valley, basins, valleys, basin, widened, axis, system, opened, structures, systems, sequence, structure between, occurred, within, began, became developed

cenozoic volcanism, tectonics, sedimentary, volcanic, sediments, basins, strata, deposits, basin, evolution, sequencelake baikal, kivu, malawi, sediments, basins, basin, valley, depositssedimentary basins, strata, basin, deposits, environments, sequences, structures, sequence, fill, environment, evolutionarava valleyandreas faultcretaceous unconformity, jurassic, sediments, strata, sedimentary, volcanic, deposits, basin, sequence, sea, formationjurassic triassic, sediments, strata, cretaceous, sedimentary, volcanic, deposits, sequencetrending faults, fault, belt, ridge, zone, structures, north, eastmesozoic sedimentary, sediments, strata, basins, volcanic, continental, deposits, sequenceproterozoic sedimentary, strata, sedimentsarc magmatism, volcanism, volcanics, basins, basin, volcanic, segmentstriassic jurassic, sediments, strata, sedimentary, deposits, basin, sequenceatlantic ocean, ridge, basin, region, continental, basins, marginfaults trendingocean basins, floor, ridge, basin, sediments, thermalantarctic continent, continental, ocean, lakes, environment, ridge, region, sea, margin, zonesouthwest trending, flank, region, ridge, atlanticoceanic basins, ridge, sediments, basin, volcanic, environments, arc, zonegrande valley, basin, westernsedimentation basins, basinbasin subsidence, sediments, margins, margin, sedimentation, fill, strata, evolution, deposits, floor, lakesmidcontinent regioncontinental margin, margins, tectonics, sediments, european, sedimentation, sedimentary, basins, volcanic, deposits, antarcticbaikal region, lakearabian seanorth kivu, atlantic, rhine, nyanza, sea, westrhine valley, basin, regionjordan valley, kenya, basinsouth nyanza, kivu, trending, atlantic, arabian, east, flankvolcanic arc, belt, mountains, deposits, strata, sediments, zone, sequences, ridge, lakes, zones, sequencekivu regionvalley widens, floor, lakes, widenedkenya malawithermal subsidencelakes basin, region, malawicircular depressions, arc, basins, basin, openinggreat lakes, depression, basin, escarpmentwest trending, antarctic, european, flankfault zone, zones, tectonics, propagation, basins, segmentsridge mountains, flanks, separating, axis, flank, segmentssouthern flank, ocean, flanks, malawi, escarpment, continent, margin, arabianeastern flank, escarpment, european, flanks, margin, region, atlantic, arabian, northnorthern flank, kenya, malawi, flanks, escarpment, arabian, margin, european, regionglobal tectonics, volcanism, environmentactive volcanism, tectonics, faulting, faults, volcanicnarrow valleys, margin, ridge, margins, belt, valley, sectional, shoulders, opening, zonesevere depressions, depression, metaboliccentral nyanza, axis, valley, europeanbecame apparentdeep valleys, depressions, ocean, basins, sea, depression, oceanicafar depression, regionsea sediments, basin, floor, basins, continentalfaulting occurredeuropean continentwestern flank, european, escarpment, kenya, flanks, atlanticeast european, antarctic, flanktemporal sequence, evolution, sequencesvolcanism occurreddeepening depressiondark continentwide margin, open, margins, arc, apart, shoulders, beltwall separatingoslo regionmargin settings, basins, sedimentscaused irreparablesubsidence caused, occurredmajor unconformity, depression, axis, depressionsbitter sectional, lakesdeeper strata, basinsmedian ridge, familyunconformity betweeninitial phase, stageshoulder beltfinal stage, phaseinner margin, wallpainful arc, shoulderapart basinsaxial zone, propagationstanding afarexisted betweeninternal structuregalapagos seagrew deeperbasins formedancient sedimentary, volcaniccultural evolutionphase marginzone separating, axisopened wideopen oceanserious faultsexisting structuressudden sharpdepressions formedsharp ridgeopening sequencedeposits formed