Articles | Volume 34, issue 6
https://doi.org/10.5194/ejm-34-603-2022
https://doi.org/10.5194/ejm-34-603-2022
Research article
 | 
12 Dec 2022
Research article |  | 12 Dec 2022

ICDP Oman Drilling Project: varitextured gabbros from the dike–gabbro transition within drill core GT3A

Artur Engelhardt, Jürgen Koepke, Chao Zhang, Dieter Garbe-Schönberg, and Ana Patrícia Jesus

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Short summary
We present a detailed petrographic, microanalytical and bulk-chemical investigation of 36 mafic rocks from drill hole GT3A from the dike–gabbro transition zone. These varitextured gabbros are regarded as the frozen fillings of axial melt lenses. The oxide gabbros could be regarded as frozen melts, whereas the majority of the rocks, comprising olivine-bearing gabbros and gabbros, show a distinct cumulate character. Also, we present a formation scenario for the varitextured gabbros.