Look up: dolerite

1. Dolerite
   Dol'er·ite noun [ Greek ... deceitful; because it was easily confounded with diorite.] (Geol. & Min.) A dark-colored, basic, igneous rock, composed essentially of pyroxene and a triclinic feldspar with magnetic iron. By many authors it is considered equivalent to a coarse-grained basalt.
   Found on http://www.encyclo.co.uk/webster/D/107
   
   
2. Dolerite
   Dol'er·ite noun [ Greek ... deceptive, because easily confounded with diorite.] (Petrography) (a) A dark, crystalline, igneous rock, chiefly pyroxene with labradorite. (b) Coarse- grained basalt. (c) Diabase. (d) ...
   Found on http://www.encyclo.co.uk/webster/D/107
   
   
3. dolerite
   <geology> A dark-coloured, basic, igneous rock, composed essentially of pyroxene and a triclinic feldspar with magnetic iron. By many authors it is considered equivalent to a coarse-grained basalt. ... Origin: Gr. Deceitful; because it was easily confounded with diorite. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
4. Dolerite
   • (n.) A dark-colored, basic, igneous rock, composed essentially of pyroxene and a triclinic feldspar with magnetic iron. By many authors it is considered equivalent to a coarse-grained basalt. • (n.) Coarse-grained basalt. • (n.) A dark, crystalline, igneous rock, chiefly pyroxene wi...
   Found on http://thinkexist.com/dictionary/meaning
   
   
5. dolerite
   Igneous rock formed below the Earth's surface, a form of basalt, containing relatively little silica (mafic in composition). 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 the surface, d...
   Found on http://www.talktalk.co.uk/reference/ency