Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Of, relating to, or being the middle of the three eras of the Proterozoic Eon, from approximately 1.6 billion to 1.0 billion years ago, marked by the formation of the first known supercontinent and the evolution of sexual reproduction.
- noun The Mesoproterozoic Era.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective geology Of a
geologic era within theProterozoic eon ; comprises theCalymmian ,Ectasian andStennian periods from about 1600 to 900 million years ago, when theRodinia supercontinent was formed. - proper noun geology The Mesoproterozoic era.
Etymologies
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Examples
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And so it goes, from Mesoproterozoic to Neoarchean to the colossal whack of a Mars-sized object into the Earth that would create the Moon, back in the Hadean era.
Centauri Dreams 2009
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Geological Society of India: Talk on 'Purana stratigraphy of Chhattisgarh and its bearing on Mesoproterozoic tectonics of Central India' by Sarbani Patranabis Deb, Assistant Professor, Geological Studies unit, Indian Statistical Institute,
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