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::A glance at today's paper::  

Green, D.H., Experimental petrology of peridotites, including effects of water and carbon on melting in the Earth’s upper mantle, Phys Chem Minerals, published online 23 January, 2015, DOI 10.1007/s00269-014-0729-2

Don L. Anderson

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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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:: Quote of the week ::

"If you're looking for a mistake in a paper, look for the words obvious or obviously."

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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