Petrology and Geodynamics


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Appel, P., Stipp, M., K.P., Friedel, C.-H.., Fiedrich, A., Kraus, K. and Berger, S. (2019)  U-Th-total Pb ages of monazite from the Eckergneiss (Harz Mountains, Germany): Evidence for Namurian to Westfalian granulite facies metamorphism at the margin of Laurussia., International Journal of Earth Sciences,108: 1741-1753.  | |
Boniface, N. & Appel, P. (2018). Neoproterozoic reworking of the Ubendian Belt crust: Implication for an orogenic cycle between the Tanzania Craton and Bangweulu Block during the assembly of Gondwana. Precambrian Research. Available online 6 December 2017.  ||
Boniface, N. & Appel, P. (2017). Stenian - Tonian and Ediacaran metamorphic imprints in the southern Paleoproterozoic Ubendian Belt, Tanzania: Constraints from in situ monazite ages. Journal of African Earth Sciences, 133: 25-35. | |
Bartoschewitz, R. and 26 other authors (accepted Oct 2016). The Braunschweig Meteorite – a recent L6 chondrite fall in Germany. Chemie der Erde - Geochemistry.
Bial, J., Büttner, S. & Appel, P. (2016). Timing and conditions of regional metamorphism and crustal shearing in the granulite facies basement of south Namibia: Implications for the crustal evolution of the Namaqualand metamorphic basement in the Mesoproterozoic. Journal of African Earth Sciences, 123: 145–176. | doi: 10.1016/j.jafrearsci.2016.07.011 |
Kazimoto, E. O., Schenk, V., & Appel, P. (2015). Granulite-facies metamorphic events in the northwestern Ubendian Belt of Tanzania: Implications for the Neoarchean to Paleoproterozoic crustal evolution. Precambrian Research, 256: 31–47. | doi: 10.1016/j.precamres.2014.10.016 |
Bial, J., Büttner, S. H., Schenk, V., & Appel, P. (2015). The long-term high-temperature history of the central Namaqua Metamorphic Complex: Evidence for a Mesoproterozoic continental back-arc in southern Africa. Precambrian Research, 268: 243–278 | doi: 10.1016/j.precamres.2015.07.012 |
Sarkar, T., Schenk, V., Appel, P., Berndt, J. & Sengupta, P. (2014). Two-stage granulite formation in a Proterozoic magmatic arc (Ongole domain of the Eastern Ghats Belt, India): Part 2. LA-ICP-MS zircon dating and texturally controlled in-situ monazite dating. Precambrian Research, 255: 467–484. | doi: 10.1016/j.precamres.2014.05.024 |
Kazimoto, E. O., Schenk, V., & Appel, P. (2014). The age of Au–Cu–Pb-bearing veins in the poly-orogenic Ubendian Belt (Tanzania): U–Th–total Pb dating of hydrothermally altered monazite. Contributions to Mineralogy and Petrology, 169(1): 1088. | doi: 10.1007/s00410-014-1088-1 |
Boniface, N., Schenk, V., & Appel, P. (2014). Mesoproterozoic high-grade metamorphism in pelitic rocks of the northwestern Ubendian Belt: Implication for the extension of the Kibaran intra-continental basins to Tanzania. Precambrian Research, 249: 215–228. | doi: 10.1016/j.precamres.2014.05.010 |
Fazlnia, A., Schenk, V., Appel, P., & Alizade, A. (2013). Petrology, geochemistry, and geochronology of the Chah-Bazargan gabbroic intrusions in the south Sanandaj–Sirjan zone, Neyriz, Iran. International Journal of Earth Sciences, 102(5): 1403–1426. | doi: 10.1007/s00531-013-0884-6 |
Boniface, N., Schenk, V. & Appel, P. (2012). Paleoproterozoic eclogites of MORB-type chemistry and three Proterozoic orogenic cycles in the Ubendian Belt (Tanzania): Evidence from monazite and zircon geochronology, and geochemistry. Precambrian Research, 192-195, 16–33. | doi: 10.1016/j.precamres.2011.10.007 |
Brandt, S., Schenk, V., Raith, M. M., Appel, P., Gerdes, A. & Srikantappa, C. (2011). Late Neoproterozoic P-T evolution of HP-UHT Granulites from the Palni Hills (South India): New Constraints from Phase Diagram Modelling, LA-ICP-MS Zircon Dating and in-situ EMP Monazite Dating. Journal of Petrology, 52(9), 1813–1856. | doi: 10.1093/petrology/egr032 |
Appel, P., Cirrincione, R., Fiannacca, P. & Pezzino, A. (2010). Age constraints on Late Paleozoic evolution of continental crust from electron microprobe dating of monazite in the Peloritani Mountains (southern Italy): another example of resetting of monazite ages in high-grade rocks. International Journal of Earth Sciences, 1–17. | doi: 10.1007/s00531-010-0511-8 |
Appel, P. (2010). “AgeFinder”: A Mac OS X computer program to evaluate electron microprobe data of monazite for chemical age dating. Computers and Geosciences, 36(4), 559–563. | |
Bertoldi, C., Dachs, E. & Appel, P. (2007). Heat-pulse calorimetry measurements on natural chlorite-group minerals. American Mineralogist 92, 553-559. | doi: 10.2138/am.2007.2247 |
Peters, L., Knorr, K., Fechtelkord, M, Appel, P. & Depmeier, W. (2006). Structural variations in the solid solution series of sodalite-type |(EuxCa2-x)4(OH)8|[(Al2+xSi1-x)4O24]-SOD with 0≤x≤1, determined by X-ray powder diffraction and 27Al MAS NMR spectroscopy. Zeitschrift für Kristallographie 221, 643-648. | doi: 10.1524/zkri.2006.221.9.643 |
Braun, I. & Appel, P., 2006. U-Th-total Pb dating of monazite from orthogneisses and their ultra-high temperature metapelitic enclaves: implications for the multistage tectonic evolution in the Madurai Block, southern India. European Journal of Mineralogy 18, 415-427. | doi: 10.1127/0935-1221/2006/0018-0415 |
Bertoldi, C., Hauzenberger, C., Rahmoun, N.-S., Raase, P., Appel, P., Garbe-Schönberg, D. Behrens, H., Lottermoser, W., Amthauer, G. & Dachs, E. (2006). Comprehensive chemical analyses of a cordierite from Kiranur, South India, and of an ilvaite from Serifos, Greece: two new microprobe reference samples. American Mineralogist 91, 1184-1187. | Abstract (pdf) |
Jöns, N., Schenk, V., Appel, P. & Razakamanana, T., 2006. Two-stage metamorphic evolution of the Bemarivo Belt of Northern Madagascar: constraints from reaction textures and in-situ monazite dating. Journal of Metamorphic Geology24, 329-347. | Abstract | doi: 10.1111/j.1525-1314.2006.00641.x |
Appel, P., Schenk, V. & Schumann, A., 2005. P-T path and metamorphic ages of pelitic schists at Murchison Falls, NW Uganda: Evidence for a Pan-African tectonometamorphic event in the Congo Craton. European Journal of Mineralogy 16, 655-664. | doi: 10.1127/0935-1221/2005/0017-0655 |
Appel, P., Möller, A. & Schenk, V., 1998. High-pressure granulite facies metamorphism in the Pan-African belt of eastern Tanzania: P-T-t evidence against granulite formation by continent collision. Journal of Metamorphic Geology, 16, 491-509. | doi: 10.1111/j.1525-1314.1998.00150.x |
Appel, P., Möller, A., Schenk, V. & Muhongo, S., 1993. Granulite facies metamorphism and P-T evolution in the Mozambique Belt of Tanzania. (eds. Thorweihe, U. & Schandelmeier, H.) Geoscientific Research in NE Africa, Balkema, 171-175.
Möller, A., Appel, P., Mezger, K. & Schenk, V., 1995. Evidence for a 2 Ga old subduction zone: Eclogites in the Usagaran belt of Tanzania. Geology, 23, 1067-1070. | doi: 10.1130/0091-7613(1995)023<1067:efagsz>2.3.CO;2