User:PedroPVZ

Licence

Multi-licensed with the Creative Commons Attribution Share-Alike License versions 1.0 and 2.0
I agree to multi-license my text contributions, unless otherwise stated, under Wikipedia's copyright terms and the Creative Commons Attribution Share-Alike license version 1.0 and version 2.0. Please be aware that other contributors might not do the same, so if you want to use my contributions under the Creative Commons terms, please check the CC dual-license and Multi-licensing guides.

Big Raven Plateau, at the northern end of the Mount Edziza volcanic complex

Volcanism of the Mount Edziza volcanic complex in British Columbia, Canada, spans more than 7 million years. The first magmatic cycle took place between 7.5 and 6 million years ago and is represented by the Raspberry, Little Iskut and Armadillo geological formations. Volcanism has taken place during five cycles of magmatic activity, each producing less volcanic material than the previous one. During these cycles volcanism has created several types of volcanoes, including cinder cones, stratovolcanoes, subglacial volcanoes, shield volcanoes and lava domes. The roughly 1,000-square-kilometre (400-square-mile) volcanic plateau of the MEVC originated from the successive eruptions of highly mobile lava flows. Several types of volcanic rocks were deposited by multiple eruptions of the MEVC. At least 10 distinct flows of obsidian were produced by volcanism of the MEVC, some of which were exploited by indigenous peoples in prehistoric times to make tools and weapons. (Full article...)

Recently featured:

		The Barnstar of Diligence
		For your work on Póvoa de Varzim QuizQuick 01:53, 28 July 2006 (UTC)

I wanted to put a new article on Wiki concerning tricanas de Coimbra - see my sandbox https://pl.wikipedia.org/wiki/Wikipedysta:Andreypl/brudnopis?venotify=created but it is not accepted. Maybe you could help me ? Originally it was on my blog: http://varia-ap.blogspot.com/2013/08/tricanas.html Melhores cumprimentos da Polonia ! Andreypl