archaean
pl: archaeans
Related Words
eongeologyprecambrianproterozoichadeanphanerozoicearthcrustmantlemagmalavabasaltgranitegneissschistmetamorphismstratigraphychronostratigraphylithologymineralcrystalzirconisotoperadiometricdatinghalf lifebillionyearepocheraperiodprimordialancientprimitiveatmosphereoxygenmethanecarbonnitrogenwateroceanvolcanotectonicsplatesubductionconvectionlifeorganismcellprokaryoteeukaryotearchaeabacteriamicrobestromatolitecyanobacteriaphotosynthesismetabolismevolutionbiogenesisfossiltracesedimentdepositionerosionweatheringgeochemistrygeophysicspaleontologyastronomyplanetsolar systemmeteoritechondriteaccretioncoolingpressuretemperatureheatcore