Basalt is a common gray to black 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 ...

Its existence was previously not known because no new examples have been formed in millions of years. As a result, the new basalt type lay buried deep beneath sediment at the bottom of the ocean.

Yavatmal, July 2 A columnar basalt rock pillar formed six crore years back from volcanic lava has been discovered during a road construction work at a village in Yavatmal district of Maharashtra ...

Pacific Northwest National Laboratory scientists have turned carbon dioxide to rock deep underground at Wallula, demonstrating a way to permanently keep the greenhouse gas out of the atmosphere.

Rare basalt rock column, formed 6 crore years back, found in Maharashtra’s Yavatmal A columnar basalt rock pillar formed six crore years back from volcanic lava has been discovered during a road ...