Geological Era

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Era, Geological

an interval of time in the earth’s geological history, during which an erathem formed. Eras are subdivided into periods; several eras combine to form an eon. There are three eras in the most recent Phanerozoic eon: the Paleozoic, Mesozoic, and Cenozoic eras. (See alsoGEOCHRONOLOGY.)

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No references found			in the ancient southern highlands, pointing to an active role by water in Mars's earliest geological era, the Noachian period, 4. Planet was water rich by 7 Days (Dubai, United Arab Emirates) That was two months ago, a geological era by modern media memory standards. The cult of Cable by guardian.co.uk / guardian.co.uk The limestone itself stems from an ancient tropical sea and contains some of the most astounding fossils of the Ordovician-Silurian geological era. Hello from Ontario - A Driving Tour Along the Niagara Escarpment by Susanne Pacher / Travel, recreation and leisure community			Geokchai Geokhimiia Geoksiur geolith Geologic Age geologic climate Geologic Column geologic dating geologic erosion geologic log geologic map geologic noise geologic province Geologic Section geologic structure geologic thermometer geologic thermometry geologic time geologic time scale geologic timescale Geological Committee Geolkom Geological Contact Geological Documentation Geological Education Geological Epoch Geological Era Geological Institute GIN Geological Journals Geological Maps geological oceanography Geological Pick-Hammer Geological Prospecting Geological Sciences, Institute of Geological Series Geological Stage geological steering Geological Survey Geological Survey, United States Geological Surveying Geological Thermometry geological transportation Geologiia i Geofizika Geologiia Nefti i Gaza Geologiia Rudnykh Mestorozhdenii geologist geolograph Geology Geology and Fossil Fuel Treatment, Institute of IGIRGI Geology and Geophysics, Institute of IGiG Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Geology, Dynamic			Geologic time scale Geologic time scale Geologic Timescale geological geological geological Geological Advisory Committee Geological and Geophysical Geological and Land Management Division Geological and Mineralogical Association of Canada Geological and Mining Development Agency Geological Applications of Remote Sensing Geological Association of Canada Geological Association of New Jersey Geological Borehole Information System Geological Characterization Report Geological Committee Geolkom Geological Contact Geological Curators' Group geological cycle geological dating Geological Disaster Geological Documentation Geological Education Geological Electronic Information eXchange System Geological engineering Geological engineering Geological epoch Geological Era geological fault Geological Finite Element Synthesis Tool Geological fold Geological fold geological formation geological horizon Geological Information Visualization Geological Institute GIN Geological Investigation Permit Geological Journal of China Universities Geological Journals Geological layer Geological layer Geological layer Geological layer Geological Long Range Inclined ASDIC Geological map Geological mapping Geological Maps Geological Modeling Society of Houston Geological oceanography Geological Ordinance geological period geological phenomenon Geological Pick-Hammer geological process Geological Processes and Mineral Resources Geological Prospecting

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