International Association of Volcanology and Chemistry of the Earth’s Interior http://www.iavcei.org/
International Dyke Conference 2005 http://idc5.gsf.fi
U. of Leicester site. Note "Formation of large igneous provinces (LIPs)" and "Relationship between plumes and continental rifting" http://www.le.ac.uk/gl/re/resprofs/magma.html
Continental flood basalts and layered intrusions 'chapter' from an electronic textbook on "Geochemistry of Igneous Rocks" by B.M. Gunn (http://www.geokem.com) http://www.geokem.com/flood-basalts.html
Plumes and plumes alternatives http://www.mantleplumes.org/
Plume and LIP debate page of Geol. Soc. London http://www.geolsoc.org.uk/template.cfm?name=NakedEmperor http://www.geolsoc.org.uk/template.cfm?name=WOT3
Large Igneous Provinces, University of Notre Dame http://www.nd.edu/~cneal/LIPs_Page.html
Lecture on Mantle Plumes and Intraplate Volcanism http://www.geo.cornell.edu/geology/classes/SES302/01Lectures/302Lecture3...
Climatic effect of LIPs http://palaeo.gly.bris.ac.uk/Palaeofiles/Triassic/vulc.htm
Great Eruptions in Earth History: climatic effects http://www.firstscience.com/site/articles/self.asp
GEOROC databases: includes Large Igneous Provinces http://georoc.mpch-mainz.gwdg.de/
CAMP event (Central Atlantic Magmatic Province) http://www.auburn.edu/academic/science_math/res_area/geology/camp/
Cenozoic magmatism of northern Madagascar http://epsc.wustl.edu/~rbuchwaldt/cenozoic.html
Brown University Planetary Geosciences Home Page http://www.planetary.brown.edu/
Global Precambrian Sedimentation Syndicate http://www.up.ac.za/academic/geol/gpss/
Volcanic and magmatic studies group (a joint specialist group of the Geological Society of London and the Mineralogical Society) www.vmsg.org.uk
Vic Camp's How volcanoes work page http://www.geology.sdsu.edu/how_volcanoes_work/