Geothermal heat flow in Antarctica: current and future directions

A Burton-Johnson, R Dziadek… - The Cryosphere …, 2020 - tc.copernicus.org
Antarctic geothermal heat flow (GHF) affects the temperature of the ice sheet, determining its
ability to slide and internally deform, as well as the behaviour of the continental crust …

The core of Rodinia formed by the juxtaposition of opposed retreating and advancing accretionary orogens

EL Martin, CJ Spencer, WJ Collins, RJ Thomas… - Earth-Science …, 2020 - Elsevier
Abstract Long-lived (800 Ma) Paleo–to Mesoproterozoic accretionary orogens on the
margins of Laurentia, Baltica, Amazonia, and Kalahari collided to form the core of the …

The scientific legacy of NASA's Operation IceBridge

JA MacGregor, LN Boisvert, B Medley, AA Petty… - 2021 - Wiley Online Library
Abstract The National Aeronautics and Space Administration (NASA)'s Operation IceBridge
(OIB) was a 13‐year (2009–2021) airborne mission to survey land and sea ice across the …

Predicting geothermal heat flow in Antarctica with a machine learning approach

M Lösing, J Ebbing - Journal of Geophysical Research: Solid …, 2021 - Wiley Online Library
We present a machine learning approach to statistically derive geothermal heat flow (GHF)
for Antarctica. The adopted approach estimates GHF from multiple geophysical and …

New magnetic anomaly map of the Antarctic

AV Golynsky, F Ferraccioli, JK Hong… - Geophysical …, 2018 - Wiley Online Library
The second generation Antarctic magnetic anomaly compilation for the region south of 60° S
includes some 3.5 million line‐km of aeromagnetic and marine magnetic data that more than …

Transformation of an Archean craton margin during Proterozoic basin formation and magmatism: The Albany–Fraser Orogen, Western Australia

CV Spaggiari, CL Kirkland, RH Smithies… - Precambrian …, 2015 - Elsevier
Abstract The Albany–Fraser Orogen is a well-preserved example of Proterozoic modification
of an Archean craton margin. The formation of two successive basin systems accompanied …

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 …

New Antarctic gravity anomaly grid for enhanced geodetic and geophysical studies in Antarctica

M Scheinert, F Ferraccioli, J Schwabe… - Geophysical …, 2016 - Wiley Online Library
Gravity surveying is challenging in Antarctica because of its hostile environment and
inaccessibility. Nevertheless, many ground‐based, airborne, and shipborne gravity …

Tectonic controls on sediment provenance evolution in rift basins: Detrital zircon U–Pb and Hf isotope analysis from the Perth Basin, Western Australia

HKH Olierook, M Barham, ICW Fitzsimons… - Gondwana …, 2019 - Elsevier
The role of tectonics in controlling temporal and spatial variations in sediment provenance
during the evolution of extensional basins from initial rifting to continental breakup and …

Repeated large-scale retreat and advance of Totten Glacier indicated by inland bed erosion

ARA Aitken, JL Roberts, TD Ommen, DA Young… - Nature, 2016 - nature.com
Climate variations cause ice sheets to retreat and advance, raising or lowering sea level by
metres to decametres. The basic relationship is unambiguous, but the timing, magnitude and …