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Basalt

en.wikipedia.org/wiki/Basalt

Basalt is a common extrusive igneous (volcanic) rock formed from the rapid cooling of basaltic .... On Earth, most basalt magmas have formed by decompression melting of the mantle. Basalt commonly e...

basaltic magma | geology | Britannica.com

www.britannica.com/science/basaltic-magma

Basaltic magmas that form the oceanic crust of the Earth are generated in the asthenosphere at a depth of about 70 kilometres. The mantle rocks located at ...

Basalt / basaltic lava. Photos and brief explanation

www.decadevolcano.net/photos/keywords/basalt.htm

Apr 12, 2004 ... Basalt is by far the most common volcanic rock type. Basaltic magma is formed by partial melting of material from the upper mantle, and and is ...

Magmas and Igneous Rocks

www.trinity.edu/gkroeger/GEOS1304/Notes/magmas.htm

Partial melting always produces a magma that is less mafic than the parent rock. ... Beneath a mid-ocean ridge basaltic magma rises and pools in a magma ...

Basalt and Granite - U. of Oregon

jersey.uoregon.edu/~mstrick/AskGeoMan/geoQuerry27.html

Basalt and granite actually have quite a bit in common. Both are igneous rocks, which means that they cooled from a magma (the earth gets very hot just below ...

Magma Formation - U. of Oregon

jersey.uoregon.edu/~mstrick/RogueComCollege/RCC_Lectures/MagmaFormation.html

Basaltic magma is the initial material to form from the mantle. Ultramafic ( peridotite) is what is left over. Discuss ophiolites. Mafic (basaltic) magmas - High in iron, ...

Basaltic-magma dictionary definition | basaltic-magma defined

www.yourdictionary.com/basaltic-magma

Noun. (plural basaltic magmas). Fluid rock material of basaltic origin. English Wiktionary. Available under CC-BY-SA license.

Niu, Y., Generation and evolution of basaltic magmas: Some basic ...

www.mantleplumes.org/WebDocuments/2005Niu-GXDZH.pdf

on the Origin of Mesozoic-Cenozoic Basaltic Volcanism in Eastern China. < 1 >. Abstract. Some basic concepts of basaltic magma generation and evolution are ...

Composition of Basaltic Magmas as Indicators of Conditions of ...

rsta.royalsocietypublishing.org/content/268/1192/707

Basaltic magmas are formed by partial melting of a source rock of peridotitic composition (pyrolite) under upper mantle conditions. Experimental studies of the  ...

Origin of Basaltic Magma

faculty.plattsburgh.edu/mary.rodentice/courses/petrolpresent/ch 10 magma generation '07.pdf

Origin of Basaltic Magma. Geology ... Common petrographic differences between tholeiitic and alkaline basalts ... Alkaline basalts generated at ocean islands.

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Basaltic Lava: Definition & Characteristics - Video & Lesson ...

study.com

The most common method of making basaltic magma is by decreasing the pressure of the mantle rocks. Mantle rocks are extremely hot, and the only reason  ...

Volcanoes, Magma, and Volcanic Eruptions - Tulane University

www.tulane.edu

Sep 15, 2015 ... Thus, basaltic magmas tend to be fairly fluid (low viscosity), but their viscosity is still 10,000 to 100,0000 times more viscous than water.

BASALTIC ANDESITIC RHYOLITIC BASALTIC ANDESITIC ... - SOEST

www.soest.hawaii.edu

Jan 31, 2013 ... types of magma: BASALTIC. ANDESITIC. RHYOLITIC. Basaltic lava flows easily because of its low viscosity (low gas content). The low viscosity ...