Quartz-dolerite - Wikipedia, the free encyclopedia
An intrusive rock, similar to dolerite, but with an excess of quartz. Dolerite is similar in composition to basalt, which is eruptive (from volcanoes), and gabbro, which is plutonic. The differing cry...
en.wikipedia.org/wiki/Quartz-dolerite
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dolerite - Scientific definition of dolerite from A Dictionary of Earth Sciences at Encyclopedia.com ... dolerite (diabase, microgabbro) A dark-coloured, medium-grained igneous rock which contains plagioclase feldspar of labradorite composition and pyroxene of augite or titanaugite composition as essential minerals,
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www.encyclopedia.com/doc/1O13-dolerite.html
www.encyclopedia.com/doc/1O13-dolerite.html
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Definition of dolerite from Webster's New World College Dictionary. Meaning of dolerite. Pronunciation of dolerite. Definition of the word dolerite. Origin of the word dolerite. ... Dictionary Home » Webster's New World College Dictionary » dolerite...
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www.yourdictionary.com/dolerite
www.yourdictionary.com/dolerite
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dolerite n. Chiefly British A dark, fine-grained igneous rock; diabase. [French dolérite , from Greek doleros , deceitful (from its easily being ... As defined, diabase is equivalent to the British term dolerite. The British term diabase is an altered diabase in the sense defined here. See alsoBasalt; Gabbro; Igneous rocks...
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www.answers.com/topic/dolerite
www.answers.com/topic/dolerite
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Definition of dolerite from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Britannica Online Encyclopedia ... Dictionary Thesaurus Spanish/English Medica...
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www.merriam-webster.com/dictionary/dolerites
www.merriam-webster.com/dictionary/dolerites
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DOLERITE (from Gr. boXepos, deceptive), in petrology, the name given by Haiiy to those basaltic rocks which are comparatively coarse grained and nearly, if not quite, holocrystalline. The commonest type of structure in dolerite is the ophitic, which results from the felspar of the rock having crystallized before the...
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www.1911encyclopedia.org/Dolerite
www.1911encyclopedia.org/Dolerite
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Hutchinson encyclopedia article about dolerite. dolerite. Information about dolerite in the Hutchinson encyclopedia. ... Dolerite is a medium-grained (hypabyssal) basalt and forms in shallow intrusions, such as dykes, which cut across the rock strata, and sills, which push between beds of sedimentary rock. When exposed at...
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encyclopedia.farlex.com/dolerite
encyclopedia.farlex.com/dolerite
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Dolerite is a medium-grained, mafic, intrusive, igneous rock with a chemical composition similar to that of basalt and gabbro. The rock usually forms as dykes and sills in basaltic provinces. It may also occur as dyke or sill swarms.
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www.francesjane.com/dolerite.html
www.francesjane.com/dolerite.html
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The Geology of Northern Ireland - Dolerite ... Dolerite is a volcanic rock. While similar to basalt, it contains crystals which can be seen with a hand lens. This indicates that it cooled a little more slowly than basalt. Typically it is found in volcanic plugs which channeled the basalt to the surface.
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www.geographyinaction.co.uk/Geology%20files/Dolerite.ht...
www.geographyinaction.co.uk/Geology%20files/Dolerite.html
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