PRECAMBRIAN AEON
Before
1: S
late, old, new, this2: SU
latest, upper, early, middle, older
After
1: S
rocks, shield, shields, crust, res, rock, iron, plate, age, times, time2: SU
granites, basement, banded, igneous, crustal, bedrock, granite, fossils, era, iron, research, period2: US
research3: SUU
igneous, crystalline, period4: USUU
geology4: UUSU
continental5: UUSUU
sedimentary
Surrounder Phrases
granitic gneisses, gneiss, rocks, bedrock, basement, crust, rockmetamorphic terranes, schists, terrains, rocks, rock, basement, belt, geology, formations, terrain, core, evolution, deposits, origin, events, historyplate tectonics, tectonicgreenstone beltbanded gneiss, gneisses, iron, structures, rockorogenic belt, eventscrystalline schists, basement, bedrock, rocks, igneous, crust, formations, rock, structures, deposits, core, iron, surfaceigneous rocks, rock, geology, origingranite gneiss, gneisses, bedrock, rocks, rock, formations, beltsedimentary rocks, geology, carbonates, strata, formations, rock, deposits, bedrock, structures, carbonate, origin, evolution, iron, historymetamorphosed sedimentary, volcanic, rocks, sediments, rock, duringcontinental crust, glaciation, crustal, tectonics, sediments, shields, sedimentary, basement, volcanic, plate, deposits, rocks, platform, shield, originschist beltcambrian fossils, strata, rocks, sediments, deposits, period, era, age, rock, timesbasement gneisses, gneiss, tectonics, rocks, rockvolcanic rocks, terrains, stratigraphy, rock, formations, belt, origin, deposits, terrain, strata, sediments, geology, basement, events, structuresbedrock geology, formations, surface, exposed, underlyingcarbonate sediments, rocks, platform, formations, bedrock, strata, deposits, sedimentary, rockglacial deposits, stratigraphy, geology, sediments, formations, period, origin, times, era, age, history, ocean, events, rockcrustal rocks, evolution, rock, plate, structures, originrock formations, strata, platform, surface, graniteplatform carbonates, carbonate, sediments, depositstectonic evolution, plate, belt, events, structures, origin, historyupper cambrian, crust, strata, crustal, atmosphere, middle, surface, canadian, ocean, plate, continentalmiddle cambrian, strata, age, belt, crustlower cambrian, strata, crustal, crust, middle, atmosphereyounger granites, sedimentary, age, strata, sediments, rocks, granite, volcanic, formationsocean crust, sediments, surface, fluxcanadian shield, historyunderlying bedrock, strata, geology, sediments, structures, basement, rocks, formations, rock, crystalline, crust, platformlate cambrian, thirteenth, glacial, orogenic, middle, ironexposed bedrock, granite, rocks, rock, surface, strata, basementearly cambrian, thirteenth, age, history, iron, period, middlemassive granite, volcanic, rock, rocks, iron, depositsrocks igneous, metamorphic, sedimentary, exposediron age, formations, core, deposits, plate, carbonate, shieldolder granites, strata, metamorphic, rocks, age, sedimentary, sediments, formations, fossils, glacial, volcanicfossil depositsancient times, sedimentary, volcanic, history, glacial, sediments, fossils, oceans, rocks, origin, crystalline, strata, graniteold agesurface sediments, geology, crust, structures, deposits, fluxearth crust, carbonates, surfacemajor orogenic, tectonic, glaciation, crustal, volcanic, events, glacial, oceansstrata exposed, underlyingnew era, terrainsglaciation duringage stratasecond coming, continental, majorfirst timelatest researchsediments exposed, underlyingduring glaciallife eventslater metamorphosed, thirteenth, middle, periodbelt plate, rockstimes duringtime period, depositscore fluxgreat oceansthis periodpresent eraterrain surfacestructures underlying