Renard (1888, fig. 13)
Beschrijving: Felspathic basalt of Tristan da Cunha. I. and II. twin of Baveno, the other twins following the pericline type, or some other analogous twinning. The plane of twinning (n or e) is at the same time the plane of composition.
Plaats: Tristan da Cunha
Auteur: Anoniem in Renard (1888)
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