olivine basalt


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olivine basalt

[′äl·ə‚vēn bə′sȯlt]
(petrology)
Any of a group of olivine-bearing basalts.
References in periodicals archive ?
The grain aggregates are consistent with derivation from the alkalic olivine basalts of the Salani Volcanics (late Pleistocene to early Holocene) and Puapua Volcanics (late Holocene) exposed upstream in the hinterland of Pulemelei, with the latter source in the Savai'i uplands probably most likely as judged from petrographic descriptions (R.
The rocks are mostly alkaline olivine basalt, typical of the magmatism that marked the early emplacement phase in the Trans-Pecos igneous province (Henry et al.
The Isle of Skye is particularly known for its abundance and variety of minerals from the zeolite group and other secondary minerals in tertiary alkali olivine basalts.