Numerical modelling of Archean Earth tectonics and crust formation
, 2022 The thesis focused on investigating early (Archean) Earth geodynamics using numerical modelling and benchmarking the results against the preserved rock record.
PRASANNA MAHESH GUNAWARDANA (12113052)
core +1 more source
Greenstone burial–exhumation cycles at the late Archean transition to plate tectonics [PDF]
, 2022 Converging lines of evidence suggest that, during the late Archean, Earth completed its transition from a stagnant-lid to a plate tectonics regime,although how and when this transition occurred is debated.
Tim E, Johnson +24 more
core +2 more sources
Grain size of Archean paleosols from point counting (500 points).
, 2023 Grain size of Archean paleosols from point counting (500 points).
Mark D. Schmitz (2843513) +1 more
core +1 more source
Archean continental crust formed by magma hybridization and voluminous partial melting
Scientific Reports, 2021 Archean (4.0–2.5 Ga) tonalite–trondhjemite–granodiorite (TTG) terranes represent fragments of Earth’s first continents that formed via high-grade metamorphism and partial melting of hydrated basaltic crust. While a range of geodynamic regimes can explain
Juan David Hernández-Montenegro +3 more
doaj +1 more source
Mineral content of Archean paleosols from point counting (500 points).
, 2023 Mineral content of Archean paleosols from point counting (500 points).
Mark D. Schmitz (2843513) +1 more
core +1 more source
Mineralogy and density of Archean volcanic crust in the mantle transition zone [PDF]
, 2020 The composition of Archean volcanic crust can be characterized by a higher Mg/Si ratio than modern mid-ocean ridge basalt (MORB), because of the higher degree melting from the warmer mantle in the Archean.
Ko, Byeongkwan +6 more
core +1 more source
Frontiers in Earth Science, 2015 The origin of the iron oxides in Archean and Paleoproterozoic Banded Iron Formations is still a debated question. We report low and high temperature magnetic properties, susceptibility and saturation magnetization results joined with scanning microscope ...
Julie eCarlut +11 more
doaj +1 more source
Organosulfur Aerosols Likely Carried Sulfur MIF Signatures in the Early Earth’s Atmosphere
Geochemistry, Geophysics, Geosystems, 2023 Signatures of mass‐independent fractionation (MIF) of sulfur in Archean sulfide and sulfate minerals are widely thought to record an anoxic early Earth’s atmosphere.
Harry Oduro +3 more
doaj +1 more source
Archean versus Phanerozoic oceanic crust formation and tectonics: Ophiolites through time
Geosystems and Geoenvironment, 2022 A global compilation of structural, lithological, and geochemical data on a selection of Archean, Proterozoic and Phanerozoic magmatic complexes, interpreted as ophiolites, is presented.
Harald Furnes, Yildirim Dilek
doaj +1 more source
Metasomatic monazite growth as a result of apatite-fluid interactions: U-Pb dating of monazite in the Siilinjärvi glimmerite-carbonatite complex, Finland [PDF]
Bulletin of the Geological Society of FinlandMonazite U-Pb results obtained for a calcite carbonatite sample from the Siilinjärvi glimmerite-carbonatite complex yields a lower concordia intercept age of 1760 ± 17 Ma (2σ uncertainty, n = 50).
Seppo Karvinen +4 more
doaj +1 more source