Onset of plate tectonics by the Eoarchean
One of the most contentious areas of Earth Science today is when, or whether or not modern-
style plate tectonics was in operation in the Archean Eon. In this review we present evidence …
style plate tectonics was in operation in the Archean Eon. In this review we present evidence …
Early trace of life from 3.95 Ga sedimentary rocks in Labrador, Canada
The vestiges of life in Eoarchean rocks have the potential to elucidate the origin of life.
However, gathering evidence from many terrains is not always possible,,, and biogenic …
However, gathering evidence from many terrains is not always possible,,, and biogenic …
Archean dome-and-basin style structures form during growth and death of intraoceanic and continental margin arcs in accretionary orogens
Determining whether plate tectonics or some other mode of planetary dynamics operated in
the early Archean is one of the most contentious and debated areas of Earth Sciences today …
the early Archean is one of the most contentious and debated areas of Earth Sciences today …
Geological evidence for the operation of plate tectonics throughout the Archean: Records from Archean paleo-plate boundaries
Plate tectonics describes the horizontal motion of rigid lithospheric plates away from
midoceanic ridges and parallel to transforms, towards deep-sea trenches, where the …
midoceanic ridges and parallel to transforms, towards deep-sea trenches, where the …
Vestiges of early Earth's deep subduction and CHONSP cycle recorded in Archean ophiolitic podiform chromitites
Ophiolitic podiform chromitites from Phanerozoic orogens have been shown to preserve a
wealth of textures and inclusions that, in some way, trace earlier episodes of subduction and …
wealth of textures and inclusions that, in some way, trace earlier episodes of subduction and …
Abiotic synthesis of graphitic carbons in the Eoarchean Saglek-Hebron metasedimentary rocks
Graphite in metasedimentary rocks of the Eoarchean Saglek-Hebron Gneiss Complex
(Canada) is depleted in 13C and has been interpreted as one of the oldest traces of life on …
(Canada) is depleted in 13C and has been interpreted as one of the oldest traces of life on …
Zircon geochemistry from early evolved terranes records coeval stagnant-and mobile-lid tectonic regimes
Determining the mechanisms by which the earliest continental crust was generated and
reworked is important for constraining the evolution of Earth's geodynamic, surface, and …
reworked is important for constraining the evolution of Earth's geodynamic, surface, and …
The nature of Earth's first crust
Recycling of crust into the mantle has left only small remnants at Earth's surface of crust
produced within a billion years of Earth formation. Few, if any, of these ancient crustal rocks …
produced within a billion years of Earth formation. Few, if any, of these ancient crustal rocks …
Hydrothermally-altered mafic crust as source for early Earth TTG: Pb/Hf/O isotope and trace element evidence in zircon from TTG of the Eoarchean Saglek Block, N …
Abstract The North Atlantic craton hosts extensive exposures of Eoarchean crust, spread
through areas of Western Greenland and Northern Labrador (Canada). Of these two areas …
through areas of Western Greenland and Northern Labrador (Canada). Of these two areas …