Photomicrograph of a Small, Thin Section of Komatiite Lava (image) University of Maryland Share Print E-Mail Caption This is a photomicrograph of a small, thin section of komatiite lava. The "spinifex texture" is a hallmark and considered unequivocal evidence of their ancient origin as molten rock extruded from deep in the Earth. Credit Igor Puchtel, UMD Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.