Juliane Hennig-Breitfeld

Biography

I am currently an Honorary Research Fellow with the SE Asia Research Group. My research focuses on sedimentary and igneous rocks of Borneo (West Kalimantan, Sarawak) and Vietnam.

Educational Background

I completed my PhD in Earth Sciences at Royal Holloway University of London, UK in March 2015. Before that I studied geology/palaeontology at the TU Bergakademie Freiberg, Germany and graduated with a diploma (equivalent to MSc) in 2010. Specialisation during the Master programme included petrology, sedimentology/volcanology, mineral & ore deposits/economic geology, and hydro- & engineering geology.

Past fieldwork experience

I conducted extensive fieldwork in Southeast Asia, including multiple field trips to Sulawesi (Indonesia), and short field trips to Java and Sabah (Malaysia). Previous mapping projects included the Germanic basin in Thuringia, the Helvetic nappes of the Eastern Alps in Obermaiselstein and the opencast mine Klettwitz Nord in Germany, as well as the Ötztal-Stubai Complex between Längenfeld and Sölden in Tyrol, Austria.

Relevant past research

My PhD project was entitled ‘Age, origin and exhumation history of magmatic and metamorphic rocks of NW Sulawesi, Indonesia’ and involved field observations, igneous and metamorphic petrology, geothermobarometry, geochemistry and geochronology (U-Pb, Ar-Ar and (U-Th)-He analyses) to identify thermal histories and understand the Cenozoic tectono-magmatic evolution of Sulawesi and their implications for the tectonic history of eastern Indonesia.

My diploma thesis ‘Geological mapping and geochemistry of orthogneisses from the Austroalpine Ötztal-Stubai basement complex in the Sulztal south of Amberger Hütte, Austria’ examined the character and magmatic evolution of I- and S-type granitoid rocks.

Research Projects

Correlation of the onshore and offshore stratigraphy of Vietnam using zircon U-Pb age dating and provenance analysis

Well cuttings from offshore Vietnam and sedimentary and igneous rocks on land will be analysed for heavy mineral modes and zircon U-Pb radiometric age dating in order to study their age and provenance. This will aid identification of potential source regions for the sediments of the area and reconstruction of sediment transport pathways, as well as improving our understanding of the tectonic evolution of the Sundaland Indochina-East Malaya region.

Ages and character of tonalites and metatonalites from West Kalimantan, Borneo

This project aims to date tonalites and metatonalites from the Upper Kualan District, West Kalimantan by zircon U-Pb LA-ICP-MS to study potential Triassic rocks in this region and to characterise pre-Cretaceous magmatism in Borneo. The results will help to reconstruct the Early Mesozoic tectonic history; i.e. if this region already belonged to the Sundaland margin in the Triassic, and therefore where the boundary between the Southwest Borneo block and the Malay Tin Belt (Triassic Sundaland) may be located.

Stratigraphy and provenance of the Nyalau Formation, Sarawak

To evaluate the provenance of terrestrial and shallow marine sedimentary rocks of the Nyalau Formation and integrate this information with stratigraphic and sedimentological studies to improve our knowledge of a critical Oligo-Miocene interval in the development of northern Borneo.

Relevant Publications

Hennig, J., Hall, R. & Armstrong, R.A., 2015. U-Pb zircon geochronology of rocks from west Central Sulawesi, Indonesia: Extension-related metamorphism and magmatism during the early stages of mountain building. Gondwana Research, DOI: 10.1016/j.gr.2014.12.012.

Hennig, J., Advokaat, E., Rudyawan, A. & Hall, R., 2014. Large sediment accumulations and major subsidence offshore; rapid uplift on land: consequences of extension of Gorontalo Bay and northern Sulawesi. Proceedings Indonesian Petroleum Association, 38^th Annual Convention and Exhibition, IPA14-G-304, 1-16.

Hennig, J., Hall, R., Watkinson, I. & Forster, M., 2012. Timing and mechanisms of exhumation in west central Sulawesi, Indonesia. Abstract T43E-2713 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec.

Watkinson, I.M., Hall, R., Cottam, M.A., Sevastjanova, I., Suggate, S., Gunawan, I., Pownall, J.M., Hennig, J., Ferdian, F., Gold, D., Zimmermann, S., Rudyawan, A. & Advokaat, E., 2012. New Insights into the geological evolution of Eastern Indonesia from recent research projects by the SE Asia Research Group. Berita Sedimentologi 23, 21-27.

Relevant Presentations

Hennig, J., Hall, R., Forster M.A. & Armstrong, R.A., 2014. Extension-related deformation and rapid exhumation of the Palu Metamorphic Complex in Central Sulawesi, Eastern Indonesia. Biennial conference of the Specialist Group in Tectonics and Structural Geology (SGTSG), Thredbo, Australia (Oral Presentation).

Hennig, J., Hall, R., Watkinson, I. & Forster, M., 2012. Timing and mechanisms of exhumation in west central Sulawesi, Indonesia. 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec (Poster Presentation).

Recent Papers –

Max Webb et al., 2020. Isotopic mapping reveals the location of crustal fragments along a long-lived convergent plate boundary. Lithos.

https://doi.org/10.1016/j.lithos.2020.105687

Max Webb et al., 2020. The history of Cenozoic magmatism and collision in NW New Guinea – New insights into the tectonic evolution of the northernmost margin of the Australian Plate. Gondwana Research.

https://doi.org/10.1016/j.gr.2019.12.010

Amy Gough et al., 2020. Mid-Cenozoic fluvio-deltaic to marine environments of the Salin Sub-basin, Central Myanmar. Journal of Asian Earth Sciences.

https://doi.org/10.1016/j.jseaes.2019.104143

Recent News –

Amy Gough and Max Webb attended the Restech 2.0 Virtual Reservoir Conference. Amy Gough presented new SEARG research on the pitfalls of light mineral studies for sedimentary provenance in tropical climates.

Amy Gough was awarded an honorary research fellowship of the British Geological Survey and continues to foster collaborative relationships between SEARG and the BGS.