Title
Tholeiitic Basalt
Identifier
HA-2
Description
Hand Sample: Apahanitic vesicular dark gray-black basalt. Larger (<0.05cm), light-colored crystals are visible throughout the sample. Shape of crystals ranges from elongated to square shape. Vesicles size range from 0.01cm to 0.05 cm, and have an elongated, thin shape.
Thin Section: Groundmass of aphanitic plagioclase with interstitial glass. Phenocrysts of olivine and plagioclase crystals. Numerous vesicles are present throughout thin section.
Date
Sample collected January, 1969
Contributor
Western Minerals
Is Part Of
Volcanic Phenomena Suite - The Hawaiian Islands of Hawaii and Oahu
Spatial Coverage
Kiluea Volcano - Island of Hawaii
Sample collected on Coast Road, 3.7 miles southwest of Opihikao.
Sample collected on Coast Road, 3.7 miles southwest of Opihikao.
Temporal Coverage
Formed from flows associated with the March 28, 1995 eruption.
Number of Thin Sections
1