Plate tectonics in the Archean: Observations versus interpretations

YF Zheng - Science China Earth Sciences, 2024 - Springer
Plate tectonics theory, established in the 1960s, has been successful in explaining many
geological phenomena, processes and events that occurred in the Phanerozoic. However …

Geochemistry of Archean anorthosite-bearing layered intrusions

P Sotiriou, A Polat, T Kusky, BF Windley, R Frei… - Earth-Science …, 2024 - Elsevier
The geochemistry of Archean anorthosite-bearing layered intrusions has major implications
for the thermal and chemical state of the Archean crust/mantle system, as originally posited …

Review of temporal trend in Archean granitoid chemistry-implications for Eoarchean (3.7–3.9 Ga) transition in geodynamic regime of crust formation

R Saha, D Upadhyay, B Mishra - Precambrian Research, 2024 - Elsevier
In this study, we review changes in Archean granitoid chemistry using stacked probability
density estimation and statistical change-point analyses. A significant change in Archean …

Mesoarchean synchronous emplacement of TTG gneisses and potassic granitoids in the Nyabessane granite-greenstone terranes, NW Congo Craton (southern …

JM Akame, EP Oliveira, V Debaille, M Poujol, B Schulz… - Lithos, 2024 - Elsevier
Archean granitoids played key roles in the generation and differentiation of the Archean
continental crust and provide clues to understand crustal processes in the early Earth …

Secular changes in the occurrence of subduction during the Archean

CT Liu, CY Ye, J ZhangZhou - Geophysical Research Letters, 2024 - Wiley Online Library
Subduction processes play a pivotal role in facilitating material exchange between the crust
and mantle, contributing to the growth of continents. However, the onset and evolution of …

Correlating mantle cooling with tectonic transitions on early Earth

PM Gunawardana, P Chowdhury, G Morra… - …, 2024 - pubs.geoscienceworld.org
The dominant tectonic mode operating on early Earth (before ca. 2.5 Ga) remains elusive,
with an increasing body of evidence suggesting that non-plate tectonic modes were likely …

A giant impact origin for the first subduction on Earth

Q Yuan, M Gurnis, PD Asimow… - Geophysical Research …, 2024 - Wiley Online Library
Hadean zircons provide a potential record of Earth's earliest subduction 4.3 billion years
ago. It remains enigmatic how subduction could be initiated so soon after the presumably …

[HTML][HTML] The Singhbhum Craton (India) records a billion year of continental crust formation and modification

S Chatterjee, K Mezger, OP Pandey… - Chemical …, 2023 - Elsevier
The petrogenesis of continental crust from its ultimate mantle source can be reconstructed
from the element abundances and radiogenic isotope compositions of ideally pristine …

Compositional diversity of TTGs controlled by heterogeneous accumulation of accessory minerals

N Ding, XL Wang, DH Du, D Wang, C Anhaeusser - Lithos, 2024 - Elsevier
The compositional diversity of Archean tonalite-trondhjemite-granodiorite (TTG) rocks is
generally attributed to partial melting of mafic rocks at various depths or magmatic …

Formation of silicic crust on early Earth and young planetary bodies in an Iceland-like setting

S Law, AR Hastie, LA Young… - Communications Earth & …, 2024 - nature.com
Four billion years ago, Earth's surface was covered with a thick basaltic crust and, similar to
other rocky planets and the Moon, parts of this basaltic crust underwent partial melting to …