Basalt

Name	*Basalt*
Texture	*Aphanitic (Fine-grained)*
Origin	*Extrusive/Volcanic*
Chemical Composition	*Mafic*
Color	*Black*
Mineral Composition	*Calcium Plagioclase, Pyroxene, Olivine*
Tectonic Environment	*Divergent Boundary or Intra-oceanic hot spots*