Basalt is a mafic volcanic rock consisting primarily of plagioclase feldspar and pyroxene minerals. Common accessory minerals can include other pyroxenes, olivine, quartz, and nepheline. Basalt is the volcanic equivalent of the plutonic rock gabbro,...

A type of IGNEOUS rock, usually of dark colouration and with a fine...

Basalt (pronounced /ˈbæsɒlt, bəˈsɔːlt/) is a common gray to black extrusive volcanic rock. It is usually fine-grained due to rapid cooling of lava on the Earth's surface. It may be porphyritic containing larger crystals in a fine matrix, or...

Basalt is a fine-grained igneous rock that is primarily composed of the iron- and magnesium-rich minerals pyroxene and olivine and calcium-rich plagioclase feldspar. It forms from the rapid cooling of mafic (Si[O.sub.2] concentration between 48 and 52 wt. %) magma. When basaltic magma...

Byline: Adam Dunivan, Special to the News FORT COLLINS -- Western Slope representative Basalt is going to have something to say about how the Class 3A girls tournament is going to finish. The Longhorns used their transition game to outrun Faith...

Egypt said Sunday it would seek the temporary return of some of its most precious artifacts from museums abroad, including the Rosetta Stone and a bust of Nefertiti.The country's chief archaeologist, Zahi Hawass, said the Foreign Ministry would send letters this week to France, Germany,...

An ancient Armenian church, perched on a rocky island in a vast lake, has become a modern symbol of the divisions and fitful efforts at reconciliation between Turks and Armenians whose history of bloodshed drives their troubled relationship.The Akdamar church, one of the most precious...