Conodont thermometry by Raman spectroscopy on carbonaceous material: a case study from the Northern Calcareous Alps (Mürzalpen Nappe, Eastern Alps)

Gerd Rantitsch 1 , Gerhard Bryda 2 , and Hans-Jürgen Gawlick 1
  • 1 Department für angewandte Geowissenschaften und Geophysik, Montanuniversität Leoben, , Peter-Tunner Straße 5, 8700, Leoben, Austria
  • 2 Geologische Bundesanstalt Wien, , Neulinggasse 38, 1030, Wien, Austria

Abstract

Carnian metapelites from the southeastern segment of the Mürzalpen Nappe (Northern Calcareous Alps, Eastern Alps) were heated to 280-310 °C, estimated by Raman spectroscopy of carbonaceous material (RSCM). This temperature range is correlated to a Color Alteration Index of 5.0-6.5, determined on conodonts from adjacent Anisian to Norian carbonates. Average RSCM temperatures estimated on the conodonts are biased towards higher temperatures. The spectral characteristics of the conodont apatite suggest a composition altered during progressive recrystallization, influencing the band parameters of the included carbonaceous matter. Consequently, accurate conodont RSCM thermometry needs an assessment of apatite alteration.

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  • Bojar, A.-V., Halas, S., Bojar, H.-P., Trembaczowski, A., 2018. Late Permian to Triassic isotope composition of sul-fates in the Eastern Alps: palaeogeographic implications. Geological Magazine, 155, 797–810. https://doi.org/10.1017/S0016756816000996

  • Bryda, G., van Husen, D., Kreuss, O., Koukal, V., Moser, M., Pavlik, O., Schönlaub, H.P., Wagreich, M., 2013. Geologische Karte der Republik Österreich 1:50000, Erläuterungen zu Blatt 101 Eisenerz. Geologische Bundesanstalt Wien, 230 pp.

  • Bryda, G., Ćorić, S., Van Husen, D., Kreuss, O., Mandl, G.W., Pavlik, W., Reiser, M., Moser, M., 2020. Geologische Karte der Republik Österreich. Blatt 102 Aflenz Kurort. Geologische Bundesanstalt Wien. 1:50000, in print.

  • Budurov, K.J., Sudar, M.N., 1990. Late Triassic Conodont Stratigraphy. In: Ziegler, W. (ed.), Papers on Conodonts and Ordovician to Triassic Conodont Stratigraphy. Contribution IV, Courier Forschunginstitut Senckenberg, 118, pp 203-239.

  • Chen, Y., Krystyn, L., Orchard, M.J., Lai, X.-L., Richoz, S., 2016. A review of the evolution, biostratigraphy, provincialism and diversity of Middle and Late Triassic conodonts. Papers in Palaeotonlogy, 2, 235-263. https://doi.org/10.1002/spp2.1038

  • Chen, Y., Krystyn, L., Orchard, M.J., Lai, X.-L., Richoz, S., 2016. A review of the evolution, biostratigraphy, provincialism and diversity of Middle and Late Triassic conodonts. Papers in Palaeotonlogy, 2, 235-263. https://doi.org/10.1002/spp2.1038

  • Dallmeyer, R.D., Handler, R., Neubauer, F., Fritz, H., 1998. Sequence of thrusting within a thick-skinned tec-tonic wedge: evidence from 40Ar/39Ar and Rb-Sr ages from the Austroalpine Nappe complex of the Eastern Alps. The Journal of Geology, 106, 71–86. https://doi.org/10.1086/516008

  • Epstein, A.G., Epstein, J.B., Harris, L.D., 1977. Conodont Color Alteration Index to Organic Metamorphism. Geological Survey Professional paper, 995, 1–27.

  • Frank, W., Schlager W., 2006. Jurassic strike slip versus subduction in the Eastern Alps. Geologische Rundschau, 95, 431-450. https://doi.org/10.1007/s00531-005-0045-7

  • Frisch, W., Gawlick, H.J., 2003. The nappe structure of the central Northern Calcareous Alps and its disintegration during Miocene tectonic extrusion—A contribution to understanding the orogenic evolution of the eastern Alps: International Journal of Earth Sciences, 92, 712–727. https://doi.org/10.1007/s00531-003-0357-4

  • Frühauf, S., 2017. Thermometrie an Erzen und Nebengesteinen der Sideritlagerstätte Steirischer Erzberg. Bachelor thesis, Montanuniversität Leoben, Austria, 59 pp.

  • Gallet, Y., Krystyn, L., Besse, J., 1998. Upper Anisian to Lower Carnian magnetostratigraphy from the Northern Calcareous Alps. Journal of Geophysical Research, 103, 605–621. https://doi.org/10.1029/97JB02155

  • Gawlick, H.-J., Krystyn, L., Lein, R., 1994. Conodont colour alteration indices: Palaeotemperatures and metamorphism in the Northern Calcareous Alps - a general view. Geologische Rundschau, 83, 660–664.

  • Gawlick, H.-J., Frisch, W., Vecsei, A., Steiger, T., Böhm, F., 1999. The change from rifting to thrusting in the Northern Calcareous Alps as recorded in Jurassic sediments. Geologische Rundschau, 87, 644–657. https://doi.org/10.1007/s005310050237

  • Haas, I., Eichinger, S., Haller, D., Fritz, H., Nievoll, J., Mandl, M., Hippler, D., Hauzenberger, C., 2020. Gondwana fragments in the Eastern Alps: A travel story from U/Pb zircon data. Gondwana Research, 77, 204–222. https://doi.org/10.1016/j.gr.2019.07.015

  • Kralik, M., Schramm, J.-M., 1994. IIIit-Wachstum: Über-gang Diagenese - Metamorphose in Karbonat- und Tongesteinen der Nördlichen Kalkalpen: Mineralogie und Isotopengeologie (Rb-Sr, K-Ar und C-O). Jahrbuch der Geologischen Bundesanstalt, 137, 105–137.

  • Kralik, M., Krumm, H., Schramm, J.-M., 1987. Low grade and very low grade metamorphism in the Northern Calcareous Alps and in the Greywacke Zone: Illite - Crystallinity data and isotopic ages. In: Flügel, H.W., Faupl, P. (eds.), Geodynamics of the Eastern Alps. F. Deuticke, Wien, pp. 164–178.

  • Krystyn, L., Mandl, G.W., Schauer, M., 2009. Growth and termination of the Upper Triassic platform margin of the Dachstein area (Northern Calcareous Alps, Austria). Austrian Journal of Earth Sciences, 102, 23–33.

  • Lanfranco, A. M., Schofield, P. F., Murphy, P. J., Hodson, M. E., Mosselmans, J. F. W., Valsami-Jones, E. (2003). Characterization and identification of mixed-metal phosphates in soils: the application of Raman spectroscopy. Mineralogical Magazine, 67, 1299–1316. https://doi.org/10.1180/0026461036760166

  • Lein, R., 2010. Die Entwicklung des Karnbeckens von Aflenz im Spannungsfeld zwischen Eustatik und synsedimentärer Tektonik (Nördliche Kalkalpen, Österreich). Journal of Alpine Geology, 53, 181–199.

  • Lein, R., Gawlick, H.-J., 2001. Neue Grundlagen zur tektonischen Interngliederung der Mürzalpendecke auf der Basis von Conodont Colour Alteration Index (CAI)-Untersuchungen. Arbeitstagung der Geologischen Bundesanstalt 2001, Neuberg an der Mürz, 132–134.

  • Leitner, C., Neubauer, F., Genser, J., Borojević-Šoštarić, S., Rantitsch, G., 2014. 40Ar/39Ar ages of crystallization and recrystallization of rock-forming polyhalite in Alpine rocksalt deposits. Geological Society, London, Special Publications, 378, 207–224. http://dx.doi.org/10.1144/SP378.5

  • Linzer, H.-G., Ratschbacher, L., Frisch, W., 1995. Transpressional collision structures in the upper crust: the fold-thrust belt of the Northern Calcareous Alps. Tectonophysics, 242, 41–61. https://doi.org/10.1016/0040-1951(94)00152-Y

  • Lünsdorf, N.K., Lünsdorf, J.O., 2016. Evaluating Raman spectra of carbonaceous matter by automated, iterative curve-fitting. International Journal of Coal Geology, 160–161, 51–62. http://dx.doi.org/10.1016/j.coal.2016.04.008

  • Lünsdorf, N.K., Dunkl, I., Schmidt, B.C., Rantitsch, G., von Eynatten, H., 2017. Towards a higher comparability of geothermometric data obtained by Raman spectroscopy of carbonaceous material. Part 2: A revised geothermometer. Geostandards and Geoanalytical Research, 41, 593–612. https://doi.org/10.1111/ggr.12178

  • Mandl, G.W., 2000. The Alpine sector of the Tethyan shelf - Examples of Triassic to Jurassic sedimentation and deformation from the Northern Calcareous Alps. Mitteilungen der österreichischen geologischen Gesellschaft, 92, 61–77.

  • Mandl, G.W., 2001. Zum tektonischen Bauplan der östli-chen Kalkhochalpen. Arbeitstagung der Geologischen Bundesanstalt 2001, Neuberg an der Mürz, 123–131.

  • Marshall, C.P., Mar, G.L., Nicoll, R.S., Wilson, M.A., 2001. Organic geochemistry of artificially matured conodonts. Organic Geochemistry, 32, 1055–1071. https://doi.org/10.1016/S0146-6380(01)00077-8

  • McMillan, R., Golding, M., 2019. Thermal maturity of carbonaceous material in conodonts and the Color Alteration Index: Independently identifying maximum temperature with Raman spectroscopy. Palaeogeography, Palaeoclimatology, Palaeoecology, 534, 109290. https://doi.org/10.1016/j.palaeo.2019.109290

  • McMillan, R., Snoeck, C., Winter, N. J. de, Claeys, P., Weis, D. 2019. Evaluating the impact of acetic acid chemical pre-treatment on ‘old’ and cremated bone with the ‘Perio-spot’ technique and ‘Perios-endos’ profiles. Palaeogeography, Palaeoclimatology, Palaeoecology. 530, 330–344. https://doi.org/10.1016/j.palaeo.2019.05.019

  • Medici, L., Malferrari, D., Savioli, M., Ferretti, A., 2020. Mineralogy and crystallization patterns in conodont bioapatite from first occurrence (Cambrian) to extinction (end-Triassic). Palaeogeography, Palaeoclimatology, Palaeoecology, 549, 109098. https://doi.org/10.1016/j.palaeo.2019.02.024

  • Neubauer, F., Handler, R., Hermann, S., Paulus, G., 1994. Revised lithostratigraphy and structure of the Eastern Greywacke Zone (Eastern Alps). Mitteilungen der Österreichischen Geologischen Gesellschaft, 86, 61–74.

  • Noyan, Ö.F., Kozur, H.W., 2007. Revision of the late Carnian – early Norian conodonts from the Stefanion section (Argolis, Greece) and their palaeobiogeographic implications. – Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 245, 159–178.

  • Orchard, M.J., 2010. Triassic conodonts and their role in stage boundary definition. Geological Society, London, Special Publications, 334, 139–161. https://doi.org/10.1144/SP334.7

  • Prochaska, W. (2016). Genetic concepts on the formation of the Austrian magnesite and siderite mineralizations in the Eastern Alps of Austria. Geologia Croatica, 69, 31–38. https://doi.org/10.4154/gc.2016.03

  • Pucéat, E., Reynard, B., Lécuyer, C., 2004. Can crystallinity be used to determine the degree of chemical alteration of biogenic apatites? Chemical geology, 205, 83–97. https://doi.org/10.1016/j.chemgeo.2003.12.014

  • Rantitsch, G., Russegger, B., 2005. Organic maturation within the central Northern Calcareous Alps (Eastern Alps). Austrian Journal of Earth Sciences, 98, 68–76.

  • Rantitsch, G., Grogger, W., Teichert, C., Ebner, F., Hofer, C., Maurer, E.-M., Schaffer, B., Toth, M., 2004. Conversion of carbonaceous material to graphite within the Greywacke Zone of the Eastern Alps. International Journal of Earth Sciences, 93, 959–973. https://doi.org/10.1007/s00531-004-0436-1

  • Rantitsch, G., Iglseder, C., Schuster, R., Hollinetz, M. S., Huet, B., Werdenich, M., 2020. Organic metamorphism as a key for reconstructing tectonic processes: a case study from the Austroalpine unit (Eastern Alps). International Journal of Earth Sciences, 109, 2235–2253. https://doi.org/10.1007/s00531-020-01897-7

  • Ratschbacher, L., 1987. Stratigraphy, tectonics and paleo-geography of the Veitsch nappe (Graywacke zone, Eastern Alps: A rearrangement. In: Flügel, H.W., Sassi, F.P., Grecula P. (eds.), Pre-Variscan and Variscan events in the Alpine-Mediterranean mountain belts. Alfa, Bratislava, pp. 407–414.

  • Rejebian, V.A., Harris, A.G., Huebner, J.S., 1987. Conodont color and textural alteration: An index to regional metamorphism, contact metamorphism, and hydrothermal alteration. Geological Society of America Bulletin, 99, 471–479.

  • Sachsenhofer, R.F., Bechtel, A., Reischenbacher, D., Weiss, A., 2003. Evolution of lacustrine systems along the Miocene Mur-Mürz fault system (Eastern Alps, Austria) and implications on source rocks in pull-apart basins. Marine and Petroleum Geology. 20, 83–110. https://doi.org/10.1016/S0264-8172(03)00018-7

  • Schmid, S.M., Fügenschuh, B., Kissling, E., Schuster, R., 2004. Tectonic map and overall architecture of the Alpine orogen. Eclogae Geologicae Helvetiae, 97, 93–117. https://doi.org/10.1007/s00015-004-1113-x

  • Schramm, J.-M., 1982. Zur Metamorphose des feinklastischen Permoskyth im Ostabschnitt der Nördlichen Kalkalpen (Ostösterreich). Verhandlungen der Geologischen Bundesanstalt, 1982, 63–72.

  • Schuster, R., Frank, W., 1999. Metamorphic evolution of the Austroalpine units east of the Tauern Window: indications for Jurassic strike slip tectonics. Mitteilungen der Gesellschaft der Geologie und Bergbaustudenten Österreichs, 42, 37–58.

  • Schuster, R., Nowotny, A., 2015. Die Einheiten des Ostalpinen Kristallins auf den Kartenblättern GK50 Blatt 103 Kindberg und 135 Birkfeld. Arbeitstagung der Geologis-chen Bundesanstalt 2015, Mitterdorf im Mürztal 10–37.

  • Spötl, C., Hasenhüttl, C., 1998. Thermal history of the evaporitic Haselgebirge mélange in the Northern Calcareous Alps (Austria). Geologische Rundschau, 98, 449–460.

  • Spötl, C., Kralik, M., Kunk, M.J., 1996. Authigenic feldspar as an indicator of paleo-rock/water interactions in Permian carbonates of the Northern Calcareous Alps, Austria. Journal of Sedimentary Research, 66, 139–146.

  • Spötl, C., Kunk, M.J., Ramseyer, K., Longstaffe, F.J., 1998a. Authigenic potassium feldspar - a tracer for the timing of paleo-fluid flow in carbonate rock, Northern Calcareous Alps, Austria. In: Parnell, J. (ed.), Dating and duration of fluid flow and fluid-rock interaction. Geological Society of London Special Publications, 144, 107–128.

  • Spötl, C., Longstaffe, F.J., Ramseyer, K., Kunk, M.J., Wiesheu, R., 1998b. Fluid-rock reactions in an evaporitic mélange, Permian Haselgebirge, Austrian Alps. Sedimentology, 45, 1019–1044.

  • Spötl, C., Longstaffe, F.J., Ramseyer, Rüdinger, B., 1999. Authigenic albite in carbonate rocks - a tracer for deep-burial brine migration? Sedimentology, 46, 649–666.

  • Thomas, D.B., Fordyce, R.E., Frew, R.D., Gordon, K.C., 2007. A rapid, non-destructive method of detecting diagenetic alteration in fossil bone using Raman spectroscopy. Journal of Raman Spectroscopy. 38, 1533–1537. https://doi.org/10.1002/jrs.1851

  • Thomas, D.B., McGoverin, C.M., Fordyce, R.E., Frew, R.D., Gordon, K.C., 2011. Raman spectroscopy of fossil bioapatite — A proxy for diagenetic alteration of the oxygen isotope composition. Palaeogeography, Palaeoclimatology, Palaeoecology, 310, 62–70. https://doi.org/10.1016/j.palaeo.2011.06.016

  • Trotter, J.A., Eggins, St.M., 2006. Chemical systematics of conodont apatite determined by laser ablation ICPMS. Chemical Geology, 233, 196-216. http://dx.doi.org/10.1016/j.chemgeo.2006.03.004

  • Wojdyr, M., 2010. Fityk: a general-purpose peak fitting program. Journal of applied crystallography, 43, 1126–1128.

  • Zhang, L., Cao, L., Zhao, L., Algeo, T.J., Chen, Z.-Q., Li, Z., Lv, Z., Wang, X., 2017. Raman spectral, elemental, crystallinity, and oxygen-isotope variations in conodont apatite during diagenesis. Geochimica et Cosmochimica Acta, 210, 184–207. http://dx.doi.org/10.1016/j.gca.2017.04.036

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