...an irregular mesh, with surrounding or interstitial large anhedral crystals of pyroxene; it is characteristic of the common rock type known as diabase. ... For a definition of "diabase (rock)", visit Merriam-Webster.
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www.britannica.com/EBchecked/topic/160909/diabase/16090...
www.britannica.com/EBchecked/topic/160909/diabase/160909rellinks/Related-Links
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Sometimes has segregations of coarser rock enriched in feldspar. Mineralogy: Phenocrysts comprise olivine (olivine diabase) and/or pyroxene or plagioclase. The groundmass comprises the same minerals with iron oxide, and sometimes with some quartz, hornblende or biotite. ... ; Igneous Rock Diabase;
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www.rocks-rock.com/diabase.html
www.rocks-rock.com/diabase.html
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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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diabase ( ) n. A dark-gray to black, fine-textured igneous rock composed mainly of feldspar and pyroxene and used for monuments and as crushed stone ... How does diabase rock form?
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www.answers.com/topic/diabase
www.answers.com/topic/diabase
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The Rock Identification Keyby Don Peck ... Rock Key Table of Contents ... The Rock Key...
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www.rockhounds.com/rockshop/rockkey/index.html
www.rockhounds.com/rockshop/rockkey/index.html
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Diabase is a type of igneous rock that forms when molten rock intrudes into cracks and fissures below the earth's surface. The sill is the actual structure of the igneous intrusion, in this case, a horizontal layer of diabase rock.
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www.enoriver.org/eno/parks/PennysBend/pennysbend.htm
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In the United States, diabase is also referred to as dolerite. In the United Kingdom, dolerite is used to describe the fresh rock; diabase is used to refer to altered dolerite. Commonly occurs as tabular masses that have been intruded into surrounding rocks.
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stampmin.home.att.net/diabase.htm
stampmin.home.att.net/diabase.htm
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Dike rock with an ophitic texture and a gabbroic composition. WARD’S offers four different specimen sizes to meet your various needs: Student Specimens. Ideal for students to use for study and identification. ... Home » Diabase Igneous Rock Specimen...
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wardsci.com/product.asp_Q_pn_E_IG0004715_A_Diabase
wardsci.com/product.asp_Q_pn_E_IG0004715_A_Diabase
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Alert me when this article is cited ... Email this article to a friend ... Similar articles in this journal...
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bulletin.geoscienceworld.org/cgi/content/abstract/51/8/...
bulletin.geoscienceworld.org/cgi/content/abstract/51/8/1135
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