Basalt - WikipediaBasalt is a common extrusive igneous (volcanic) rock formed from the rapid cooling of basaltic . Although usually characterized as "dark", basaltic rocks exhibit a wide range of shading due to regional geochemical processes. . Georgius Agricola in 1556 in his famous work of mining and mineralogy De re metallica, libri XII.what is the mining process for basalt,Basalt: Igneous Rock - Pictures, Definition, Uses & MoreBasalt is an extrusive igneous rock. It is the bedrock of the ocean floor and also occurs on land in extensive lava flows.
what is the mining process for basalt