The metamorphic and magmatic record of collisional orogens

OM Weller, CM Mottram, MR St-Onge… - Nature Reviews Earth & …, 2021 - nature.com
Abstract The Cenozoic Himalaya-Tibet orogen is generally regarded as the archetypal
continental collision zone and is often used as an analogue for interpreting ancient orogenic …

Time will tell: Secular change in metamorphic timescales and the tectonic implications

P Chowdhury, S Chakraborty, TV Gerya - Gondwana Research, 2021 - Elsevier
The pressure-temperature-time (PTt) evolution of metamorphic rocks is directly related to
geodynamics as different tectonic settings vary in their thermal architecture. The shapes of …

[HTML][HTML] A geochronological review of magmatism along the external margin of Columbia and in the Grenville-age orogens forming the core of Rodinia

Å Johansson, B Bingen, H Huhma, T Waight… - Precambrian …, 2022 - Elsevier
A total of 4344 magmatic U-Pb ages in the range 2300 to 800 Ma have been compiled from
the Great Proterozoic Accretionary Orogen along the margin of the Columbia/Nuna …

[HTML][HTML] Testing the reproducibility of in situ LuHf dating using Lu-rich garnet from the Tørdal pegmatites, southern Norway

S Glorie, A Simpson, SE Gilbert, M Hand, AB Müller - Chemical geology, 2024 - Elsevier
In situ Lusingle bondHf geochronology offers the potential for direct dating of garnet within
petrographic context. However, the method requires matrix-matched standards to calibrate …

[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 …

A template for an improved rock-based subdivision of the pre-Cryogenian timescale

GA Shields, RA Strachan, SM Porter… - Journal of the …, 2022 - lyellcollection.org
The geological timescale before 720 Ma uses rounded absolute ages rather than specific
events recorded in rocks to subdivide time. This has led increasingly to mismatches between …

Structural investigation of ductile deformations across the Frontal Wedge south of Lake Vättern, southern Sweden

E Halvarsson - Dissertations in Geology at Lund University, 2022 - lup.lub.lu.se
Deformationszonen kallad” Frontal wedge” är ett system av NS branta och vertikala
deformationszoner i gränsen mellan Svekonorvegiska och Sekorareliska provincen, i södra …

[HTML][HTML] Subduction and loss of continental crust during the Mesoproterozoic Sveconorwegian Orogeny

T Slagstad, Ø Skår, G Bjerkan, N Coint, A Granseth… - Precambrian …, 2024 - Elsevier
Abstract The late Mesoproterozoic Sveconorwegian Orogeny in SW Fennoscandia is
characterized by tectonically bound units that record different metamorphic, magmatic, and …

Linking the Pinware, Baraboo, and Picuris orogens: Recognition of a trans-Laurentian ca. 1520–1340 Ma orogenic belt

CG Daniel, A Indares, LG Medaris Jr, R Aronoff… - 2023 - pubs.geoscienceworld.org
It is proposed that the Pinware orogen of eastern Canada, the Baraboo orogen of the
midcontinent, and the Picuris orogen of the southwestern United States delineate a …

The Laramide orogeny: Current understanding of the structural style, timing, and spatial distribution of the classic foreland thick-skinned tectonic system

AB Weil, A Yonkee - 2023 - pubs.geoscienceworld.org
The Laramide foreland belt comprises a broad region of thick-skinned, contractional
deformation characterized by an anastomosing network of basement-cored arches and …