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::A glance at today's paper::  

Calignano, Elisa, Dimitrios Sokoutis, Ernst Willingshofer, Frédéric Gueydan and Sierd Cloetingh, Strain localization at the margins of strong lithospheric domains: Insights from analog models, Tectonics, 34, 396–412, Article first published online: 11 MAR 2015 | DOI: 10.1002/2014TC003756.

Don L. Anderson

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:: Notice Board ::

Are continental "adakites" derived from thickened or foundered lower crust?

Q. Ma, J.-P. Zheng, Y.-G. Xu, W.L. Griffin & R.-S. Zhang

The longevity of Archean mantle residues in the convecting upper mantle and their role in young continent formation

J. Liu, J.M. Scott, C.E. Martin & D.G. Pearson

AGU 2015 Fall Meeting Sessions

Session 8278: Tectonic, magmatic, and geodynamic studies of extensional processes: Applications in Iceland and the Nubia-Somalia-Arabia plate system

Session 8146: Seismic modelling and inversion: Exploring the Earth's interior

Session 7577: The Paraná-Etendeka Igneous Province and Related Magmatism: What Have we Learned so far?

Session 7653: The origin of basaltic magmatism

Session 8060: Heterogeneity in the Earth’s interior: the on-going processes of differentiation

Session 8565: Endogenous mantle melting: petrology and geophysics

Session 7198: Rifts and Passive Margins: Tectonics, Dynamics, Processes

Session 8620: The Asthenosphere

Session 8657: Constraints on Heterogeneities in Earth’s Mantle

Session 8057: The history of a diamond: insights from melts, fluids and mineral inclusions

Curious styles of spreading in and around Iceland

G.R. Foulger

Monte-Carlo simulations of metasomatic enrichment in the lithosphere and implications for the source of alkaline basalts

S. Pilet

Sébastien Pilet on The Origin of Alkaline Basalts (3.00)

Special Issue of Geochimica et Cosmochimica Acta

Magmas and their sources:
A tribute to Fred Frey

Call for papers

Don L. Anderson (1933–2014)

an obituary, by Adam M. Dziewonski

Large Igneous Provinces linked to supercontinent assembly

Yu Wang, M. Santosh, Zhaohua Luo & Jinhua Hao

The Jiaodong gold district, northeastern China: Late Paleozoic and Late Mesozoic LIPs, orogeny and metallogeny in Eurasia

H. de Boorder

AGU Session:

Theory of Earth

Conveners: Don Anderson, Gillian Foulger, Jay Bass & James Natland

Hotspot Swells Revisited

S.D. King & C. Adam

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What's a plume?

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:: Comments::

Check out the Wikipedia Talk:Mantle plume controversy page and add your three ha'pence worth–or 10¢ if you work in bucks.–Gillian R. Foulger
Dear WM, A new gravity map shows thousands more of seamounts, mostly not in linear chains, as summarized in this news article. The great majority of seamounts are scattered across the oceans in independent groups and individual volcanoes. They are not part of linear volcanic chains, and we should note that magmas of most seamount volcanoes appear to be similar and must form the same way. This fact does not support the wildly generalized models in which intraplate volcanoes are created by narrow, deep mantle plumes. Instead, we must develop models that link lithospheric structures to linear volcanic chains where such exist, and also allow most volcanoes to form as individual features, all in a common origin from the upper mantle.–Greg McHone
Dear WM, in the recent paper by Courtillot & Fluteau, the 59th plume type is defined–the "killer plume".–Michele Lustrino