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 …

Volcanoes of Zealandia and the southwest Pacific

N Mortimer, JM Scott - New Zealand Journal of Geology and …, 2020 - Taylor & Francis
New Zealand and the southwest Pacific region have a well-preserved geological record of
Late Cretaceous to Holocene volcanism. Volcanoes and volcanic fields formed in six main …

Geological sketch map and implications for ice flow of Thwaites Glacier, West Antarctica, from integrated aerogeophysical observations

TA Jordan, S Thompson, B Kulessa, F Ferraccioli - Science Advances, 2023 - science.org
The geology beneath Thwaites Glacier, the Antarctic glacial catchment most vulnerable to
climate change, is unknown. Thwaites Glacier lies within the West Antarctic Rift System, but …

Reconnaissance basement geology and tectonics of North Zealandia

N Mortimer, S Williams, M Seton, A Calvert… - …, 2023 - Wiley Online Library
New rock dredge samples supply key information to establish the tectonic and geological
framework of the northern two‐thirds of the 95% submerged Zealandia continent. The R/V …

Volcanoes buried in Te Riu-a-Māui/Zealandia sedimentary basins

A Bischoff, A Barrier, M Beggs, A Nicol… - New Zealand Journal …, 2020 - Taylor & Francis
Many volcanoes are buried within Te Riu-a-Māui/Zealandia sedimentary basins. Based on a
large collection of seismic reflection and drillhole data, this paper outlines the morphology …

Structure and evolution of the Australian plate and underlying upper mantle from waveform tomography with massive data sets

JI De Laat, S Lebedev, NL Celli… - Geophysical Journal …, 2023 - academic.oup.com
We present a new S-wave velocity tomographic model of the upper mantle beneath the
Australian Plate and its boundaries that we call Aus22. It includes azimuthal anisotropy and …

Relationships between volcanism and plate tectonics: A case-study from the Canterbury Basin, New Zealand

A Barrier, A Bischoff, A Nicol, GH Browne, KN Bassett - Marine Geology, 2021 - Elsevier
Buried volcanoes and igneous intrusions of Cretaceous to Pleistocene age are widespread
in the Canterbury Basin, New Zealand. Interpretation of 2D and 3D seismic reflection lines …

Phanerozoic record of mantle-dominated arc magmatic surges in the Zealandia Cordillera

MF Ringwood, JJ Schwartz, RE Turnbull… - …, 2021 - pubs.geoscienceworld.org
We integrated new and existing bedrock and detrital zircon dates from the Zealandia
Cordillera to explore the tempo of Phanerozoic arc magmatism along the paleo-Pacific …

The seismic structure of the Antarctic upper mantle

DA Wiens, W Shen, AJ Lloyd - 2023 - pubs.geoscienceworld.org
The deployment of seismic stations and the development of ambient noise tomography as
well as new analysis methods provide an opportunity for higher-resolution imaging of …

Late Cretaceous (99-69 Ma) basaltic intraplate volcanism on and around Zealandia: Tracing upper mantle geodynamics from Hikurangi Plateau collision to …

K Hoernle, C Timm, F Hauff, V Tappenden… - Earth and Planetary …, 2020 - Elsevier
Margins resulting from continental breakup are generally classified as volcanic (related to
flood basalt volcanism from a starting plume head) or non-volcanic (caused by tectonic …