Phanerozoic


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Related to Phanerozoic: Phanerozoic eon, Paleozoic, Proterozoic

Phanerozoic

the period of time from the beginning of the CAMBRIAN until the present, i.e. the PALAEOZOIC, MESOZOIC and CENOZOIC eras.
References in periodicals archive ?
Woodward, Isotope Fractionation and Atmospheric Oxygen: Implications for Phanerozoic O 2 evolution, Science, 287, 1630 (2000).
During the Phanerozoic Eon, a span of 542 million years from the initial emergence of hard-shelled animals to the present, (1) the earth has experienced at least five catastrophic losses of biodiversity: the Ordovician-Silurian, the late Devonian, the Permian-Triassic, the Triassic-Jurassic, and the Cretaceous-Paleogene extinction events.
East of the shield, the Phanerozoic zone contains oil resources and deposits of bauxite, phosphate, clay, limestone, silica sand, and lightweight aggregate that are of increasing importance to the industrial development of the kingdom.
Until recently, everybody agreed that we live in the Holocene epoch of the Quaternary period, which in turn is part of the 65-million-year old Cenozoic era, the most recent phase of the 540-million-year Phanerozoic aeon.
In contrast, the earliest dinosaur fossil is from the Triassic period of the Phanerozoic eon, a mere 230 million years ago.
At present, geochronologists split Earth's history into four large eons: Hadean (4600-4000 Ma); Archean (4000-2500 Ma); Proterozoic (2500-541 Ma); and Phanerozoic (541 Mathe present).
summarizes the current knowledge of dynamic processes and environmental changes in the Korean peninsula on land and under the sea during the Phanerozoic Era.
The Cenozoic Era is the current and most recent of the three Phanerozoic geological eras, following the Mesozoic Era and covering the period from 66 million years ago to the present.
The earth model provides the ability to track and delineate major collisional events, subducted margins, major volcanic-arc activity, large igneous intrusive events and the Phanerozoic redistribution of mineral-rich Archean terranes.