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 What are the origins of 'hot spot' volcanism?


Localities : Africa | Antarctica | Arabia | Atlantic | Central America | Eurasia | Iceland & Greenland | India & Indian Ocean | North America | Pacific | Planetary | South America

::A glance at today's paper::  

Price, A. A., Jackson, M. G., Blichert-Toft, J., Konrad, K., Bizimis, M., Koppers, A. A. P., Konter, J. G., Finlayson, V. A., and Sinton, J. M. (2022). Distinguishing Volcanic Contributions to the Overlapping Samoan and Cook-Austral Hotspot Tracks, J. Pet. 63, 5, egac032.



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:: Notice Board ::

International Dyke Conference (IDC 8)-Large Igneous Provinces (LIPs 8)-Rodinia 2023

JOIN US IN A GEOSCIENCE PARADISE : A VOYAGE THROUGH EARTH HISTORY IN THE KINGDOM OF MOROCCO

29th May-16th June 2023, Marrakesh, Morocco


Goldschmidt 2023,
Lyon, France,
9-14 July, 2023

Session 5a - Understanding basaltic volcanism on Earth and other planets

Abstract deadline: 1 March 2023


Ignition of the Southern Atlantic seafloor spreading machine without a hot-mantle booster

D. Sauter, G. Manatschal, N. Kusznir, C. Masquelet, P. Werner, M. Ulrich, P. Bellingham, D. Franke & J. Autin


Catastrophic growth of totally molten magma chambers in months to years

C. Annen, R. Latypov, S. Chistyakova, A.R. Cruden & T.F. D. Nielsen


Accretion of the cratonic mantle lithosphere via massive regional relamination (MRR)

Zhensheng Wan, F. A. Capitanio, Zaicong Wang & T.M. Kusky


EGU 2023 General Assembly on
23-28 April 2023 in Vienna

Session TS5.1: Continental Rift Evolution: from inception to break-up

Abstract deadline: 10 January 2023


A 5-km-thick reservoir with >380,000 km3 of magma within the ancient Earth's crust

R. Latypov, S. Chistyakova, R.A. Hornsey, G. Costi, & M. van der Merwe


How strongly do plumes influence Pacific seamount distribution?

Yanghui Zhao, B. Riel, G.R. Foulger & Weiwei Ding


Call for papers: Special collection of Scientific Reports

Plate tectonics

Submission deadline: 31 May, 2023

Editors: Andrea Billi, Zheng-Xiang Li &

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:: Comments::

The latest webpage to be posted, "Late Miocene fish fossils in Utah support accelerated extension and subsidence, not thermal uplift or a continental divide in the Eastern Snake River Plain", is an elegant and unusual demonstration that paleontology can contribute to the mantle plumes debate. It is interesting to reflect that paleontology also played a key role in the continental drift debate led by Wegener. –Gillian Foulger
Dear WM, He & Santosh (2020) constructed a regional teleseismic P-wave tomography model for 50-800 km depths in the east Tibetan Plateau and central China using 3D ray tracing/ To the extrusion style generated by collision, the direction changed from eastward to southeastward because of an obstacle of strong lithosphere identified by fast anomalies in the new tomographic image. They proposed that the Emeishan large igneous province was formed by a subducted slab-like high velocity anomaly at depths of 300-700 km and argued it was not generated by mantle plume.–Junjiang Zhu

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