It is carved from augite andesite, a dark black porous volcanic stone, according to the release. The massive carving is a chacmool, created by the Mayan hundreds of years ago. Instituto Nacional ...

The prevailing rock in the islands and on the shores of the Sunda Strait appears to be a hypersthene-augite-andesite, containing an unusually large proportion of a brown, glassy base. This base ...

Weighing around 440 pounds, the sculpture is about 3 feet long and 2.5 feet tall, researchers said. It is carved from augite andesite, a dark black porous volcanic stone, according to the release.