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Swiss Journal of Geosciences
Fig. 6 | Swiss Journal of Geosciences

Fig. 6

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

Fig. 6

Cathodoluminescence images and Concordia diagrams of magmatic zircons from the Gasht-Masuleh gabbros A Cumulate gabbro 15FMN06 of the Zudel intrusion. B isotropic gabbro GH16-77 of the Gilvanderud intrusion. The spots where laser-ablation analyses were performed are labelled with spot number and 206Pb/238U ages. Data-point error ellipses are 2σ. (D) denotes the analyses that are more than 2 percent discordant

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