About: Mafic   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Mafic minerals and rocks are silicate minerals, magmas, and volcanic and intrusive igneous rocks that have relatively high concentrations of the heavier elements (See Chemistry Wiki The term is a combination of "magnesium" and ferrum, the Latin word for iron [ma(gnesium) + f(errum) + ic] [1]. In spite of the name, mafic magmas also are rich in calcium and sodium. In terms of chemistry, mafic rocks are on the other side of the rock spectrum from the so-called felsic rocks. The term roughly corresponds to the older basic rock class.

AttributesValues
rdfs:label
  • Mafic
rdfs:comment
  • Mafic minerals and rocks are silicate minerals, magmas, and volcanic and intrusive igneous rocks that have relatively high concentrations of the heavier elements (See Chemistry Wiki The term is a combination of "magnesium" and ferrum, the Latin word for iron [ma(gnesium) + f(errum) + ic] [1]. In spite of the name, mafic magmas also are rich in calcium and sodium. In terms of chemistry, mafic rocks are on the other side of the rock spectrum from the so-called felsic rocks. The term roughly corresponds to the older basic rock class.
sameAs
dcterms:subject
dbkwik:geology/pro...iPageUsesTemplate
dbkwik:crystalhall...iPageUsesTemplate
abstract
  • Mafic minerals and rocks are silicate minerals, magmas, and volcanic and intrusive igneous rocks that have relatively high concentrations of the heavier elements (See Chemistry Wiki The term is a combination of "magnesium" and ferrum, the Latin word for iron [ma(gnesium) + f(errum) + ic] [1]. In spite of the name, mafic magmas also are rich in calcium and sodium. Mafic minerals are usually dark in color and have a specific gravity greater than 3. Common rock-forming mafic minerals include olivine, pyroxene, amphibole, biotite and other micas, augite and the calcium-rich plagioclase feldspars. Common mafic rocks include basalt and gabbro. In terms of chemistry, mafic rocks are on the other side of the rock spectrum from the so-called felsic rocks. The term roughly corresponds to the older basic rock class. Mafic lava, before cooling, has a lower viscosity than felsic lava due to its lower silica content. Water and other volatiles can more easily and gradually escape from mafic lava, so eruptions of volcanoes made of mafic lavas are less explosively violent than felsic lava eruptions. Most mafic lava volcanoes are oceanic volcanoes, like Hawaii.
Alternative Linked Data Views: ODE     Raw Data in: CXML | CSV | RDF ( N-Triples N3/Turtle JSON XML ) | OData ( Atom JSON ) | Microdata ( JSON HTML) | JSON-LD    About   
This material is Open Knowledge   W3C Semantic Web Technology [RDF Data] Valid XHTML + RDFa
OpenLink Virtuoso version 07.20.3217, on Linux (x86_64-pc-linux-gnu), Standard Edition
Data on this page belongs to its respective rights holders.
Virtuoso Faceted Browser Copyright © 2009-2012 OpenLink Software