The geological history and evolution of West Antarctica

TA Jordan, TR Riley, CS Siddoway - Nature Reviews Earth & …, 2020 - nature.com
West Antarctica has formed the tectonically active margin between East Antarctica and the
Pacific Ocean for almost half a billion years, where it has recorded a dynamic history of …

The causes of continental arc flare ups and drivers of episodic magmatic activity in Cordilleran orogenic systems

JB Chapman, JE Shields, MN Ducea, SR Paterson… - Lithos, 2021 - Elsevier
Continental arcs in Cordilleran orogenic systems display episodic changes in magma
production rate, alternating between flare ups (70–90 km 3 km− 1 Myr− 1) and lulls (< 20 km …

Evolution of an accretionary complex (LeMay Group) and terrane translation in the Antarctic Peninsula

TR Riley, IL Millar, A Carter, MJ Flowerdew… - …, 2023 - Wiley Online Library
Abstract The LeMay Group accretionary complex of Alexander Island (Antarctic Peninsula)
comprises a 4 km thick succession of variably deformed turbidites associated with thrust …

Thermal history of the southern Antarctic Peninsula during Cenozoic oblique subduction

G Twinn, T Riley, M Fox, A Carter - Journal of the Geological …, 2022 - lyellcollection.org
Apatite (U–Th)/He and apatite fission-track thermochronology is used to constrain the
cooling and uplift history of the southern Antarctic Peninsula where easterly-directed …

Introduction to volcanism in Antarctica: 200 million years of subduction, rifting and continental break-up

JL Smellie, KS Panter, A Geyer - 2021 - pubs.geoscienceworld.org
This memoir is the first to review all of Antarctica's volcanism between 200 million years ago
and the Present. The region is still volcanically active. The volume is an amalgamation of in …

Tracking the tempo of a continental margin arc: Insights from a forearc succession in West Antarctica

TR Riley, MJ Flowerdew, A Carter… - Geological …, 2024 - pubs.geoscienceworld.org
The Fossil Bluff Group of eastern Alexander Island records the exceptional preservation of
more than 8 km of Mesozoic sedimentary rocks deposited into an accretionary forearc basin …

a Antarctic Peninsula and South Shetland Islands: volcanology

PT Leat, TR Riley - 2021 - pubs.geoscienceworld.org
The voluminous continental margin volcanic arc of the Antarctic Peninsula is one of the
major tectonic features of West Antarctica. It extends from the Trinity Peninsula and the …

The secular development of accretionary orogens: linking the Gondwana magmatic arc record of West Antarctica, Australia and South America

DA Nelson, JM Cottle - Gondwana Research, 2018 - Elsevier
Combined zircon geochronology and Hf isotopes of plutonic rocks from eastern Marie Byrd
Land and Thurston Island, Antarctica, provide a detailed record of Phanerzoic arc …

Cretaceous magmatism in the Antarctic Peninsula and its tectonic implications

J Bastias, R Spikings, T Riley, D Chew… - Journal of the …, 2023 - lyellcollection.org
Periods of cessation, resumption and enhanced arc activity are recorded in the Cretaceous
igneous rocks of the Antarctic Peninsula. We present new geochronological (laser ablation …

The South Shetland Islands, Antarctica: Lithostratigraphy and geological map

J Bastías, D Chew, C Villanueva, T Riley… - Frontiers in Earth …, 2023 - frontiersin.org
Over the last few decades, numerous geological studies have been carried out in the South
Shetland Islands, which have greatly contributed to a better understanding of its geological …