The geochronology of Proterozoic crustal development employs high-precision isotopic methods to unravel the timing, duration and tempo of crust formation, modification and assembly between 2.5 and 1.0 ...
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Historic study extends chart of life by nearly 1.5 billion years
The Proterozoic Eon, spanning from 2,500 million to 539 million years ago, marked a transformative chapter in Earth's history ...
The Proterozoic is a Precambrian eon of geologic time extending from about 2.5 billion to 541 million years ago, bounded by the Archean–Proterozoic and Proterozoic–Phanerozoic transitions. It is ...
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