Title
Melilite Nephelinite
Identifier
HA-30
Description
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.
Date
Sample collected in January, 1969.
Contributor
Western Minerals
Is Part Of
Volcanic Phenomena Suite - The Hawaiian Islands of Hawaii and Oahu
Spatial Coverage
Moilule Quarry, Honolulu - Island of Oahu
Number of Thin Sections
1