If we accept that a critical condition for plate tectonics is the creation and maintenance of a global network of narrow boundaries separating multiple plates, then to argue for plate …
The lower plate is the dominant agent in modern convergent margins characterized by active subduction, as negatively buoyant oceanic lithosphere sinks into the asthenosphere …
Plate tectonics, involving a globally linked system of lateral motion of rigid surface plates, is a characteristic feature of our planet, but estimates of how long it has been the modus …
Much of the current volume of Earth's continental crust had formed by the end of the Archaean eon (2.5 billion years ago), through melting of hydrated basaltic rocks at depths of …
Continental crust is the archive of Earth history. The spatial and temporal distribution of Earth's record of rock units and events is heterogeneous; for example, ages of igneous …
Non-arc basalts of Archean and Proterozoic age have model primary magmas that exhibit mantle potential temperatures TP that increase from 1350° C at the present to a maximum …
FM Gradstein, JG Ogg, MD Schmitz, GM Ogg - Boston, USA, 2012 - books.google.com
Construction and assembly of the Geologic Time Scale involves:(a) constructing a relative (chronostratigraphic) standard scale for key periods in the Earth's rock record;(b) identifying …
E Sizova, T Gerya, K Stüwe, M Brown - Precambrian Research, 2015 - Elsevier
As a consequence of secular cooling of the Earth, there is generally no modern analog to assist in understanding the tectonic style that may have operated in the Archean. Higher …
The mineralogy of terrestrial planets evolves as a consequence of a range of physical, chemical, and biological processes. In pre-stellar molecular clouds, widely dispersed …