Dolerite
Dolerite Dolerite (from the Greek word doleros meaning deceptive ... basaltic rocks which are comparatively coarse grained. Dolerite is a synonym for diabase. As may ... basaits The commonest type of structure in dolerite is the ophitic, which results from the ... of this ground-mass. The edges of dolerite sills and dikes often contain, much ...
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Dolerite   (translated from French)
Dolerite Of the Greek doleros, misleading. One dolerite is one magmatic rock intermediary enters it ... separate in 2 types: Dolerites with olivine . Dolerite without olivine. The term dolerite is often employed to indicate microdiorites and ... microgabbros. Synopsis Variety ophite is a Pyrenean dolerite dating from Sorted higher. diabase is ...
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Quartz-dolerite
Quartz-dolerite An intrusive rock, similar to dolerite, but with an excess of quartz. Dolerite is similar in composition to basalt, which ... at great depth, and large crystals develop. Dolerite is intermediate. Quartz-dolerite is very common in central Scotland, ...
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Talk:Dolerite
Talk:Dolerite DOLERITE
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Tachylyte
... offshoots of dikes or sills of basalt, dolerite and diabase. They are sometimes only a ... tar on the edge of a crystalline dolerite dike, but veins several inches thick are ... it merges rapidly into the ordinary crystalline dolerite, which in a very short distance may ... found also in connection with the intrusive dolerite sills in the north of England and ...
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Talk:County Antrim
... ammonites, but silicified and metamorphosed by invading dolerite. The next deposits, as the scarps are ... a-rede, in the intrusive mass of dolerite at Slemish, at Carnmoney near Belfast, and ... points. Fair Head is formed of intrusive dolerite, presenting a superb columnar seaward face. Faulting ... a small productive basin at Ballycastle. The dolerite of Fair Head sends off sheets along ...
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Tasmania
... of the island is composed of Jurassic dolerite, a basaltic intrusion of magma that upwelled ... has the world's largest areas of dolerite, with many distinctive mountains and cliffs formed ... SE portions of the island are mostly dolerite. Mt. Wellington above Hobart is a good ... caves can be found. The quartzite and dolerite in the higher mountains show evidence of ...
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Bluestone
... cleanup. This article is about the mineral dolerite. For other uses see Bluestone (disambiguation). Bluestone ... the name given to a form of dolerite which appears blue when wet or freshly ... been stated, the rock type known as dolerite is often called by this name. (as ...
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Stonehenge
... about four tons, consisted mostly of spotted dolerite but included examples of rhyolite, tuff and ... the bluestones is now identified with the dolerite outcrops at Carn Menyn although work led ... and no further specimens of the unusual dolerite stone have been found in the vicinity ...
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Statues of Gudea
... Louvre T -- 1,24 -- -- -- Golenishev collection U dolerite 1,01 standing -- Ninhursag/Nintu British Museum V dolerite 0,74 standing -- -- British Museum W diorite ...
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