The Stenian (from Greekstenos, "narrow") is the final geologicperiod in the MesoproterozoicEra and lasted from 1200 million years ago to 1000 million years ago. Instead of being based on stratigraphy, these dates are defined chronometrically. Geology (from Greek γη- (ge-, the earth) and λογος (logos, word, reason)) is the science and study of the Earth, its composition, structure, physical properties, history, and the processes that shape it. ... In geology, a period or age is a time span of many millions of years that are assumed to have had similar characteristics. ... The Mesoproterozoic era is a geologic period that occurred between 1600 and 900 million years ago. ... ERA is an abbreviation for several different things, including: the Equal Rights Amendment, a proposed, but unratified, Constitutional amendment in United States Earned run average, a baseball statistic Engine Room Artificer Education Reform Act Engineering Research Associates, a pioneering computer firm from the 1950s Academy of European Law Trier Explosive... Stratigraphy, a branch of geology, is basically the study of rock layers and layering (stratification). ...
Name derives from narrow polymetamorphic belts formed over this period.
The supercontinentRodinia assembled during Stenian. A supercontinent is a mass of land comprising more than one continental core, or craton. ... Depiction of Rodinia at time of initial breakup. ...
The dower Stenian Confederacy is home to the first City Mechs; and is lead by the first dwarves brave enough to forsake their tunnels and rise to reclaim the surface.
Stenian Mechs are stately beasts, Iron Tooth mechs are blade-covered engines of war.
The Stenian Confederacy, for example, emphasizes military might and the Law, while the Legion emphasizes the many people who have been welded into a giant whole by their charismatic leader.
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