Definition of Ultramafics. Meaning of Ultramafics. Synonyms of Ultramafics

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Definition of Ultramafics

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Meaning of Ultramafics from wikipedia

- Ultramafic rocks (also referred to as ultrabasic rocks, although the terms are not wholly equivalent) are igneous and meta-igneous rocks with a very low...
- metamorphic mineral derived from ultramafic rocks along with serpentinite. Anthophyllite is formed by the breakdown of talc in ultramafic rocks in the presence of...
- on the Mohs scale of 5.5. Chromite minerals are mainly found in mafic-ultramafic igneous intrusions and are also sometimes found in metamorphic rocks....
- dioxide is such a common component of metamorphic fluids, talc-carbonated ultramafics are relatively common. However, the degree of talc-carbonation is usually...
- Skaergaard intrusion. Notable rock provinces (metamorphic igneous rocks, ultramafics, and anorthosites) are found on the southwest coast at Qeqertarsuatsiaat...
- of ferromagnesian minerals, such as olivine and pyroxene, in mafic and ultramafic rock to produce serpentinite. Minerals formed by serpentinization include...
- and small intrusions. They are alkaline silica-undersaturated mafic or ultramafic rocks with high magnesium oxide, >3% pot****ium oxide, high sodium oxide...
- analcite, prehnite, natrolite, scolecite, chabazite, heulandite, etc. Ultramafic tuffs are extremely rare; their characteristic is the abundance of olivine...
- melt. Ideally, the stratigraphic sequence of an ultramafic-mafic intrusive complex consists of ultramafic peridotites and pyroxenites with ****ociated chromitite...
- confused with the mineral olivenite), is an intrusive igneous rock of ultramafic composition and with phaneritic (co****-grained) texture. The mineral...