Hand Sample: Aphanitic light gray nephelinite containing some melilite. Melilite is the white minerals that range in size from 0.1 to 0.5cm. Sample contains numerous small sized (less than 0.05cm) vesicles that are evident on the cut face.
Thin Section: Groundmass composed of euhedral quartz grains with abundant phenocrysts of olivine and pyroxenes.
Sample collected in January, 1969.
Is Part Of
Volcanic Phenomena Suite - The Hawaiian Islands of Hawaii and Oahu
Number of Thin Sections