Geochemistry and isotopic ratios of samples from the Tiger gabbroic complex, Northern Victoria Land, Antarctica ...

• Main Authors: Henjes-Kunst, Friedhelm, Koepke, Jürgen, Läufer, Andreas, Estrada, Solveig, Phillips, Glen, Piepjohn, Karsten, Kosanke, Dominique
• Format: Article in Journal/Newspaper
• Language: English
• Published: PANGAEA 2014
• Subjects: Antarc*; Antarctica; Victoria Land
• Online Access: https://dx.doi.org/10.1594/pangaea.810354; https://doi.pangaea.de/10.1594/PANGAEA.810354

Subduction related mafic/ultramafic complexes marking the suture between the Wilson Terrane and the Bowers Terrane in northern Victoria Land (Antarctica) are well-suited for evaluating the magmatic and structural evolu- tion at the Palaeo-Pacific continental margin of Gondwana. One of these intru- sions is the "Tiger Gabbro Complex" (TGC), which is located at the southern end of the island-arc type Bowers Terrane. The TGC is an early Palaeozoic island-arc related layered igneous complex characterized by extraordinarly fresh sequences of ultramafic, mafic and evolved lithologies and extensive development of high-temperature high-strain zones. The goal of the present study is to establish the kinematic, petrogenetic and temporal development of the TGC in order to evaluate the magmatic and structural evolution of the deep crustal roots of this Cambrian-aged island-arc. Fieldwork during GANOVEX X was carried out to provide insight into: (i) the spatial relations between the different igneous lithologies of the ... : Supplement to: Henjes-Kunst, Friedhelm; Koepke, Jürgen; Läufer, Andreas; Estrada, Solveig; Phillips, Glen; Piepjohn, Karsten; Kosanke, Dominique (2014): The Ross-orogenic Tiger Gabbro (northern Victoria Land, Antarctica): Insights into the lower crust of a Cambrian island arc? Polarforschung, 84(1), 23-38 ...