Structural inheritance in the North Atlantic

C Schiffer, AG Doré, GR Foulger, D Franke… - Earth-Science …, 2020 - Elsevier
Abstract The North Atlantic, extending from the Charlie Gibbs Fracture Zone to the north
Norway-Greenland-Svalbard margins, is regarded as both a classic case of structural …

A review of Pangaea dispersal and Large Igneous Provinces–In search of a causative mechanism

AL Peace, JJJ Phethean, D Franke, GR Foulger… - Earth-Science …, 2020 - Elsevier
The breakup of Pangaea was accompanied by extensive, episodic, magmatic activity.
Several Large Igneous Provinces (LIPs) formed, such as the Central Atlantic Magmatic …

Seismic tomography of the Arctic region: inferences for the thermal structure and evolution of the lithosphere

S Lebedev, AJ Schaeffer, J Fullea, V Pease - 2018 - pubs.geoscienceworld.org
Waveform tomography with very large datasets reveals the upper-mantle structure of the
Arctic in unprecedented detail. Using tomography jointly with computational petrology, we …

Circum-Arctic Lithosphere Evolution (CALE) Transect C: displacement of the Arctic Alaska–Chukotka microplate towards the Pacific during opening of the Amerasia …

EL Miller, KE Meisling, VV Akinin, K Brumley… - 2018 - pubs.geoscienceworld.org
This paper synthesizes the framework and geological evolution of the Arctic Alaska–
Chukotka microplate (AACM), from its origin as part of the continental platform fringing …

High Arctic Large Igneous Province alkaline rocks in Canada: evidence for multiple mantle components

JH Bédard, VR Troll, FM Deegan, C Tegner… - Journal of …, 2021 - academic.oup.com
Abstract The Cretaceous High Arctic Large Igneous Province (HALIP) in Canada, although
dominated by tholeiites (135–90 Ma), contains two main groups of alkaline igneous rocks …

Geochemical systematics of High Arctic Large Igneous Province continental tholeiites from Canada—evidence for progressive crustal contamination in the plumbing …

JH Bédard, BM Saumur, C Tegner, VR Troll… - Journal of …, 2021 - academic.oup.com
Abstract Cretaceous High Arctic large igneous province (HALIP) sub-alkaline magmatic
rocks in Canada are mostly evolved (MgO 2–7 wt%), sparsely plagioclase+ …

Conjugate margins—An oversimplification of the complex southern North Atlantic rift and spreading system?

AL Peace, J Kim Welford - Interpretation, 2020 - library.seg.org
The prevalence of conjugate margin terminology and studies in the scientific literature is
testimony to the contribution that this concept and approach has made to the study of …

Integrated crustal–geological cross-section of Ellesmere Island

R Stephenson, K Piepjohn, C Schiffer, W Von Gosen… - 2018 - pubs.geoscienceworld.org
The crustal seismic velocity model (based on receiver functions) of Ellesmere Island and the
structural geological cross-section of Ellesmere Island, both documented and discussed …

Geodynamics of the Arctic: From Proterozoic orogens to present day seafloor spreading

M Smelror, OV Petrov - Journal of Geodynamics, 2018 - Elsevier
Abstract The Circum-Arctic terrains comprise series of complex geological structures, with
fragments of Archaean to Paleoproterozoic shields and platforms, remains of orogenic belts …

High Arctic geopotential stress field and implications for geodynamic evolution

C Schiffer, C Tegner, AJ Schaeffer, V Pease… - 2018 - pubs.geoscienceworld.org
We use new models of crustal structure and the depth of the lithosphere–asthenosphere
boundary to calculate the geopotential energy and its corresponding geopotential stress …