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Swiss Journal of Geosciences
Fig. 3 | Swiss Journal of Geosciences

Fig. 3

From: Mid-Cretaceous extensional magmatism in the Alborz Mountains, north Iran; geochemistry and geochronology of Gasht-Masuleh gabbros

Fig. 3

A Photomicrographs (crossed nicols) of samples of Gasht-Masuleh isotropic gabbro sample 16FMN22D with ophitic texture from Zudel intrusion. B Back-scattered electron image of Fe-Ti oxides in sample 16FMN22C of the Zudel intrusion showing textures of trellis type: thin ilmenite spindles in magnetite displaying sharp contacts with the magnetite host, sandwich type: thick, lath-shaped ilmenite lamellae in magnetite with sharp mutual boundaries, composite type: aggregates in which ilmenite surrounds or is partly included in magnetite with sharp contact, and cloth-like to graphic and vermicular: fine-grained exsolutions of anhedral ilmenite and magnetite. Mineral name abbreviations in the text, tables and figures are after Whitney and Evans, (2010)

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