The evolution of the continental crust and the onset of plate tectonics
The Earth is the only known planet where plate tectonics is active, and different studies have
concluded that plate tectonics commenced at times from the early Hadean to 700 Ma. Many …
concluded that plate tectonics commenced at times from the early Hadean to 700 Ma. Many …
Formation of lower continental crust by relamination of buoyant arc lavas and plutons
PB Kelemen, MD Behn - Nature Geoscience, 2016 - nature.com
The formation of the Earth's continents is enigmatic. Volcanic arc magmas generated above
subduction zones have geochemical compositions that are similar to continental crust …
subduction zones have geochemical compositions that are similar to continental crust …
Archean upper crust transition from mafic to felsic marks the onset of plate tectonics
The Archean Eon witnessed the production of early continental crust, the emergence of life,
and fundamental changes to the atmosphere. The nature of the first continental crust, which …
and fundamental changes to the atmosphere. The nature of the first continental crust, which …
Amphibole–melt trace element partitioning of fractionating calc-alkaline magmas in the lower crust: an experimental study
RH Nandedkar, N Hürlimann, P Ulmer… - … to Mineralogy and …, 2016 - Springer
Amphibole is one of the most important hydrous minerals of the middle and lower
continental crust and plays a key role in the formation of intermediate to silica-rich magmas …
continental crust and plays a key role in the formation of intermediate to silica-rich magmas …
Compositional evolution of the upper continental crust through time, as constrained by ancient glacial diamictites
The composition of the fine-grained matrix of glacial diamictites from the Mesoarchean,
Paleoproterozoic, Neoproterozoic, and Paleozoic, collected from four modern continents …
Paleoproterozoic, Neoproterozoic, and Paleozoic, collected from four modern continents …
Nb/Ta systematics in arc magma differentiation and the role of arclogites in continent formation
The surfaces of rocky planets are mostly covered by basaltic crust, but Earth is unique in that
it also has extensive regions of felsic crust, manifested in the form of continents. Exactly how …
it also has extensive regions of felsic crust, manifested in the form of continents. Exactly how …
Hemispheric geochemical dichotomy of the mantle is a legacy of austral supercontinent assembly and onset of deep continental crust subduction
MG Jackson, FA Macdonald - AGU Advances, 2022 - Wiley Online Library
Oceanic hotspots with extreme enriched mantle radiogenic isotopic signatures—including
low 143Nd/144Nd indicative of subducted continental crust—are linked to plume conduits …
low 143Nd/144Nd indicative of subducted continental crust—are linked to plume conduits …
Recycling reduced iron at the base of magmatic orogens
The Earth's continental crust is thought to originate from melting of the mantle, but it is too
felsic and depleted in Fe relative to a primary mantle melt. This depletion in Fe is also …
felsic and depleted in Fe relative to a primary mantle melt. This depletion in Fe is also …
Near-solidus melts of MORB + 4 wt% H2O at 0.8–2.8 GPa applied to issues of subduction magmatism and continent formation
TW Sisson, PB Kelemen - Contributions to Mineralogy and Petrology, 2018 - Springer
Experiments on MORB+ 4 wt% H 2 O at 0.8–2.8 GPa and 700–950° C (Liu in High pressure
phase equilibria involving the amphibolite–eclogite transformation. PhD dissertation …
phase equilibria involving the amphibolite–eclogite transformation. PhD dissertation …
[HTML][HTML] A global review of Hf-Nd isotopes: New perspectives on the chicken-and-egg problem of ancient mantle signatures
We present the first global review on the Smsingle bondNd and Lusingle bondHf isotope
systematics of the mantle; it includes all published data on peridotites and pyroxenites from …
systematics of the mantle; it includes all published data on peridotites and pyroxenites from …