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 end of the Archean aeon (3.0–2.5 Ga) was a period of fundamental change in many
aspects of the geological record. In Archean cratons, this timespan is marked by a …

The geodynamic environment in which Earth's first continents formed and were stabilized
remains controversial. Most exposed continental crust that can be dated back to the …

TTGs (tonalite–trondhjemite–granodiorite) are one of the archetypical lithologies of
Archaean cratons. Since their original description in the 1970s, they have been the subject …

Adakite was originally proposed as a genetic term to define intermediate to high-silica, high
Sr/Y and La/Yb volcanic and plutonic rocks derived from melting of the basaltic portion of …

The generation, preservation and destruction of continental crust on Earth is of wide interest
in understanding the formation of continents, cratons and supercontinents as well as related …

Examination of an extensive adakite geochemical database identifies two distinct
compositional groups. One consists of high-SiO2 adakites (HSA) which is considered to …

South China was formed through the amalgamation of the Yangtze Block with the Cathaysia
Block, but the timing of this amalgamation is controversial, ranging from Mesoproterozoic to …

Subduction zones are where sediments, oceanic crust, and mantle lithosphere return to and
reequilibrate with Earth's mantle. Subduction zones are interior expressions of Earth's …

IGNEOUS ROCKS AND PROCESSES A practical introduction to igneous petrology for
students and practitioners The newly revised Second Edition of Igneous Rocks and …