https://www.sciencedaily.com/releases/1998/11/981114120138.htm
The chance find of large crystals in the rocks of the Dry Valleys of Antarctica may about to topple a fundamental principle of geology.
earth smagmaopushopkinsgeologist
https://www.usgs.gov/publications/elucidating-magma-plumbing-system-ol-doinyo-lengai-natron-rift-tanzania-using
Ol Doinyo Lengai, located in the southern Eastern Branch of the East African Rift had several eruptive episodes with ash falls and lava flows (VEI 3) that...
ol doinyo lengaimagma plumbingsystemnatron