early geological time scale

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Early Geological Time Scale Submitted by: Ali Rind

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Page 1: Early geological time scale

Early Geological Time Scale

Submitted by: Ali Rind

Page 2: Early geological time scale

THE GEOLOGICAL TIME SCALE

The geological time scale (GTS) is a system of chronological measurement that relates stratigraphy to time, and is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships between events that have occurred throughout Earth’s history. The table of geologic time spans presented here agrees with the nomenclature, dates and standard color codes set forth by the International Commission on Stratigraphy.

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FORMATION OF SOLAR SYSTEM

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FORMATION OF EARTH

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FORMATION OF FIRST DNA

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FORMATION OF UNICELLULAR

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FORMATION OF MULTICELLULAR

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GEOLOGICAL EON

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PHANEROZOIC ERA PRECAMBRIAN

PERIOD

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HADEAN, ARCHEAN, PETROZOIC and PHANEROZOIC

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CAMBRIAN PERIOD

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SILURIAN PERIOD

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ORDOVICIAN PERIOD

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DEVONIAN PERIOD

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CARBONIFEROUS PERIOD

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CRETACEOUS PERIOD

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PERMIAN PERIOD

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MESOZOIC ERA

TRIASSIC PERIOD

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JURASSIC PERIOD

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CENOZOIC ERATERTIARY

PERIOD

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TERTIARY PERIODAnimal

s

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QUATERNARY PERIOD