New maps of global geological provinces and tectonic plates

D Hasterok, JA Halpin, AS Collins, M Hand… - Earth-Science …, 2022 - Elsevier
Accurate spatial models of tectonic plates and geological terranes are important for
analyzing and interpreting a wide variety of geoscientific data and developing compositional …

The Columbia supercontinent: Retrospective, status, and a statistical assessment of paleomagnetic poles used in reconstructions

JG Meert, M Santosh - Gondwana Research, 2022 - Elsevier
The proposal that a Paleo-Mesoproterozoic supercontinent, Columbia, preceded the
existence of Rodinia was forwarded in 2002. A similar proposal that same year provided a …

[HTML][HTML] On the enigmatic mid-Proterozoic: Single-lid versus plate tectonics

NMW Roberts, J Salminen, Å Johansson… - Earth and planetary …, 2022 - Elsevier
Abstract The mid-Proterozoic (ca. 1850–850 Ma) is a peculiar period of Earth history in many
respects: ophiolites and passive margins of this age are rare, whereas anorthosite and A …

The tectonics of introversion and extroversion: redefining interior and exterior oceans in the supercontinent cycle

EL Martin, PA Cawood, JB Murphy… - Geological Society …, 2024 - lyellcollection.org
Supercontinent amalgamation is described by the end-member kinematic processes of
introversion–closure of interior oceans; extroversion–closure of exterior oceans; or …

Earth's oldest hotspot track at ca. 1.8 Ga advected by a global subduction system

P Peng, H Xu, RN Mitchell, W Teixeira… - Earth and Planetary …, 2022 - Elsevier
The concurrence of both global orogenesis and large igneous provinces (LIPs) from 2200–
1600 Ma remains enigmatic. This apparent contradiction of top-down and bottom-up …

Nature of the northern Indian plate margin during the assembly of supercontinent Columbia: was it a part of a double subduction?

P Phukon - Earth-Science Reviews, 2022 - Elsevier
Abstract The Paleo-Mesoproterozoic Lesser Himalayan Crystalline Sequence (LHCS) of the
Himalayan orogen is critical in the understanding of pre-Himalayan tectonics in relation to …

New evidence for the Baltican cratonic affinity and Tonian to Ediacaran tectonic evolution of West Avalonia in the Avalon Peninsula, Newfoundland, Canada

LP Beranek, AD Hutter, S Pearcey, C James… - Precambrian …, 2023 - Elsevier
Provenance studies of quartzite clasts and enclosing sandstone units in the Avalon
Peninsula, Newfoundland, Canada, were conducted to test the Baltican or Gondwanan …

Adjoint waveform tomography of South America

C Ciardelli, M Assumpção, E Bozdağ… - … Research: Solid Earth, 2022 - Wiley Online Library
We used 3D spectral‐element seismic wave simulations and data from 112 earthquakes
and 1,311 seismic stations, totalizing 20,884 unique ray paths, to construct an adjoint …

New perspectives on the tectonic evolution of the eastern Paraguay Belt revealed through zircon U-Pb-Hf-O systematics of the inner units

GL Frugis, MCC Neto, A Westin, CM Fanning - Precambrian Research, 2024 - Elsevier
Abstract The Paraguay Belt and Brasília Orogen, the western and eastern segments of the
Tocantins Province, respectively, recorded the interactions among the Amazonian, São …

A Mesoproterozoic to Jurassic history of continental eclogites from the Guatemala Suture Zone–implications for a peri-Amazonian ancestry

R Maldonado, L Solari, P Schaaf, B Weber - Gondwana Research, 2023 - Elsevier
Cretaceous continental eclogites of the Chuacús Complex (Guatemala Suture Zone) contain
an extensive record spanning more than 1.1 Ga. In this study, we combine U-Pb zircon …