Definition of Eonothem. Meaning of Eonothem. Synonyms of Eonothem

- In stratigraphy and geology, an eonothem is the totality of rock strata laid down in the stratigraphic record deposited during a certain eon of the continuous...
- largest geochronologic time unit and is equivalent to a chronostratigraphic eonothem. There are four formally defined eons: the Hadean, Archean, Proterozoic...
- The Phanerozoic eonothem can thus be divided into Cenozoic, Mesozoic, and Paleozoic erathems. Similarly, the Proterozoic eonothem is divided youngest...
- used ICS Time Scale Definition Chronological unit Eon Stratigraphic unit Eonothem Time span formality Formal Lower boundary definition Ten oldest U-Pb zircon...
- usage Global (ICS) Definition Chronological unit Eon Stratigraphic unit Eonothem First proposed by Preston Cloud, 1972 Time span formality Formal Lower...
- time, from the shortest time span stage to the largest thickest strata eonothem and time spans eon. Concurrent work in other natural science fields required...
- nearly finished with a task begun in 1974, subdividing the Phanerozoic eonothem into internationally accepted stages using two types of benchmark. For...
- used ICS Time Scale Definition Chronological unit Eon Stratigraphic unit Eonothem Time span formality Formal Lower boundary definition Defined Chronometrically...
- used ICS Time Scale Definition Chronological unit Eon Stratigraphic unit Eonothem First proposed by George Halcott Chadwick, 1930 Time span formality Formal...
- The Lantian Formation is a 150-meter-thick sequence of rocks deposited in Xiuning County, An**** Province in southern China during a 90-million-year epoch...