![]() Renard (1888, fig. 18)
Description Dyke of felspathic basalt, Tristan da Cunha. Ground-mass composed of augite microliths in rosettes or planted perpendicularly on the plagioclastic lamellae, and crystals of olivine with vitreous inclusions.
Plaats: Tristan da Cunha
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added on 2012-07-16721 viewsFrom reference Renard, A. (1888). Report on the rock specimens collected... (page 88)
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