Bluestone - Wikipedia, the free encyclopedia
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Bluestone is the name given to several stones: • a feldspathic sandstone in the U.S., • a form of limestone native to the Shenandoah Valley in the U.S. • a form of dolerite which appears blue when we...
en.wikipedia.org/wiki/Bluestone
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Diabase - Wikipedia, the free encyclopedia
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Diabase (pronounced /ˈdaɪəbeɪs/ ) or Dolerite is a mafic, holocrystalline, intrusive igneous rock equivalent to volcanic basalt or plutonic gabbro. In North American usage the term diabase ...
en.wikipedia.org/wiki/Diabase
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DOLERITE FOR BASE & SUB-BASE CONSTRUCTION; By; Eduard Kleyn & Adrian Bergh ... Slide 3 © CSIR 2006 www.csir.co.za; Dolerite for base & sub-base; Situation; Dolerite is an abundant road building material with a proven track record; But: •Lately, engineers, technicians & contractors shy away from usingit,
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www.up.ac.za/academic/civil/satc/storage/4._kleyn.pdf
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In non-North American usage dolerite is preferred due to the various conflicting uses of diabase. Dolerite (Greek: doleros, meaning "deceptive") was the name given by Haüy in his 1822 Traité de minéralogie.
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www.answers.com/topic/diabase
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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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Not widespread, but volcanic plugs, sills and dykes tend to be made out of it. For example, Slemish in County Antrim is a dolerite plug. There are also an area with a lot of dolerite in County Tyrone.
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www.geographyinaction.co.uk/Text_based_site/Geology%20f...
www.geographyinaction.co.uk/Text_based_site/Geology%20files/Dol_data.html
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Title: Rocks and Their Uses; Level: K-12; Day/Time: ... Introduce students to different types of rocks and their uses. ... Discuss the different types of rocks and their uses. Do any of the rocks above occur in your state? How are they used? How do we get them out of the earth?
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www.coaleducation.org/lessons/wim/20.htm
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Dolerite - 2 reference results ... Jan 01, 1999; dolerite ( diabase , microgabbro ) A dark-coloured, medium-grained igneous rock which contains plagioclase feldspar of... ... Uses of dolerite...
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www.reference.com/browse/Dolerite
www.reference.com/browse/Dolerite
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Diabase is the North American name used for medium-grained basic rocks (grains 1-5 mm) consisting essentially of labradorite, augite and ore minerals, i.e. equivalent of basalt and gabbro. The rest of the world uses the term Dolerite in preference to Diabase to denote the same rock.
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www.eos.ubc.ca/courses/eosc321/lab_mafic.htm
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