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Don L. Anderson


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:: Notice Board ::

Water-driven generation of picritic melts in the Middle to Late Triassic Stuhini arc, Stikine terrane, British Columbia, Canada

D. Milidragovic, J.B. Chapman, S. Bichlmaier, D. Canil & A. Zagorevski


May 20-25, 2017, Chiba-city, 261-0023, Japan

Session S-IT21: Do Plumes Exist?

Conveners: Hidehisa Mashima, Gillian R. Foulger, Dapeng Zhao

ABSTRACT SUBMISSION NOW OPEN

DEADLINE: February 16th, 2017


A plumeless supercontinent has more panache

J. Ganne


The Easter Island – Sala y Gomez Volcanic Chain

L.J. Milligan, A. Metcalfe, L.K. Brooks, D. Scholtz, L.J. Scott & G.R. Foulger


Are you onomastically challenged?

Check out this online name directory for features on the sea floor


A primer on olivine control-line modelling

M. Lustrino


High water content in primitive continental flood basalts

Qun-Ke Xia, Yao Bi, Pei Li, Wei Tian, Xun Wei, Han-Lin Chen


(More than) fifty shades of plumes

M. Lustrino


AGU 2016 Fall Meeting Sessions

DI007: Heterogeneity in Earth's Deep Interior - from natural and laboratory observations to theoretical models

DI016: Understanding the interacting core-mantle system

DI007: Heterogeneity in Earth's Deep Interior

DI010: Pillars of Deep Earth Research: Accomplishments, Limitations, and the Road Ahead

DI014: Structure, dynamics and evolution of Earth's deep mantle

V024: Quaternary and Neogene Hotspot Volcanism on the Cretaceous Kerguelen Plateau, Southern Indian Ocean: Nature and Potential Environmental Impact

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What's a plume?

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:: Quote of the week ::

"The rigid career path of a professor at a modern university is that One Must Build the Big Research Group, recruit doctoral students more vigorously than the head football coach, bombard the federal agencies with grant applications more numerouos than the pollen falling from the heavens in spring, and leave the paper writing and the research to the postdocs, research associates, and students who do all the bench work and all the computer programming. A professor is chained to his previous topics by his Big Group, his network of contacts buit up laboriously over decades, and the impossibility of large funding except in areas where the grantee has grown the group from a corner of the building to an entire floor. The senior tenure-track faculty at a research university–the "silverbacks" in anthropological jargon–are bound by invisible chains stronger tha the strongest steel to a narrow range of what the Prevailing Consensus agrees are Very Important Problems. The aspiring scientist is confronted with the reality that his mentors are all business managers."

by John Boyd, 2016, from his Foreward to 'Discourse on Fourier Series" by Cornelius Lanczos


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:: Comments::

Manuel Curzi, University of Rome, provides the results of a natural laboratory experiment to demonstrate the development of plumes…


Click on me


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

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