Thomas Ludwig

Akademische und berufliche Laufbahn

Seit 05/1994: Wissenschaftlicher Angestellter, Institut für Geowissenschaften, Uni Heidelberg

Aktuelle Lehrveranstaltungen

• Labormethoden in den Geowissenschaften 
• Sekundärionenmassenspektrometrie

 

Publikationen

Stalder R, Jaeger D, Ando S, Garzanti E, Chiessi CM, Sawakuchi AO, Ludwig T, Strasser M (2025): Trace element and OH content of quartz grains in the Amazon river: Potential application in provenance analysis. Sedimentary Geology 480, 106853

Joachim-Mrosko B, Konzett J, Ludwig T, Griffiths T, Habler G, Libowitzky E, Stalder R (2024): Al and H incorporation and Al-diffusion in natural rutile and its high-pressure polymorph TiO2 (II). Geological Society Special Publication Volume 537, 1, 123-147

Pausch T, Joachim-Mrosko B, Withers AC, Ludwig T, Vazhakuttiyakam J, Konzett J (2024): The role of calcium phosphates and silicates in the storage and transport of phosphorus at the upper-to-lower mantle transition: An experimental study to 25 GPa in a model peridotitic bulk composition

Härtel B, Enkelmann E, Jonckheere R, Ludwig T, Krause J, Ratschbacher L (2024): In search of lost time: Raman thermochronology of FC‑1 zircon. Contrib. Min. Pet. 179:2

Reger PM, Roebbert Y, Neumann W, Gannoun A, Regelous M, Schwarz WH, Ludwig T, Trieloff M, Weyer S, Bouvier A (2023): Al-Mg and U-Pb chronological records of Erg Chech 002 ungrouped achondrite meteorite. GCA 343, 33-48

Turnbull RE, Schwartz JJ, Fiorentini ML, Klepeis KA, Jongens R, Miranda E, Evans NJ, Ludwig T, Waight T, Faure K, McDonald BJ (2023): Mapping the 4D lithospheric architecture of Zealandia using zircon O and Hf isotopes in plutonic rocks. Gondwana Research 121, 436-471

Ertl A, Hughes JM, Prowatke S, Ludwig T, Lengauer CL, Meyer HP, Giester G, Kolitsch U, Prayer A (2022): Alumino-oxy-rossmanite from pegmatites in Variscan metamorphic rocks from Eibenstein an der Thaya, Lower Austria, Austria: A new tourmaline that represents the most Al-rich end-member composition. American Mineralogist 107, 157-166

Ma N, Neumann W, Néri A, Schwarz WH, Ludwig T, Trieloff M, Klahr H, Bouvier A (2022): Early formation of primitive achondrites in an outer region of the protoplanetary disc. Geochemical Prespective Letters 23, 33-37

Hopp J, Storck JC, Ludwig T, Mostefaoui S, Altherr R, Ott U, Meyer HP, Trieloff M (2021): 53Mn-53Cr systematics of sphalerite in enstatite chondrites. GCA 310, 79-94

Storz J, Ludwig T, Bischoff A, Schwarz WH, Trieloff M (2021): Graphite in ureilites, enstatite chondrites, and unique clasts in ordinary chondrites – Insights from the carbon-isotope composition. GCA 307, 86-104

Sorokina ES, Botcharnikov RE, Kostitsyn, Rösel D, Häger T, Rassomakhin MA, Kononkova NA, Somsikova AV, Berndt J, Ludwig T, Medvedeva AV, Hofmeister W (2021): Sapphire-bearing magmatic rocks trace the boundary between paleo-continents: A case study of Ilmenogorsky alkaline complex, Uralian collision zone of Russia. Gondwana Res. 92, 239-252

Vakhrameeva P, Koutsodendris A, Wulf S, Portnyagin M, Appelt O, Ludwit T, Trieloff M, Pross J (2021): Land-sea correlations in the Eastern Mediterranean region over the past c. 800 kyr based on macro- and cryptotephras from ODP Site 964 (Ionian Basin). Quaternary Science Reviews 255, 106811

Turnbull RE, Schwartz JJ, Fiorentini ML, Jongens R, Evans NJ, Ludwig T, McDonald BJ, Klepeis KA (2021): A hidden Rodinian lithospheric keel beneath Zealandia, Earth's newly recognized continent. Geology 49(8): 1009-1014

Bischoff A and 40 co-authors (2021): The old, unique C1 chondrite Flensburg – Insight into the first processes of aqueous alteration, brecciation, and the diversity of water-bearing parent bodies and lithologies. GCA 293: 142-186

Ivanova MA, Lorenz CA, Humayun M, Corrigan CM, Ludwig T, Trieloff M, Righter K, Franchi IA, Verchovsky AB, Korantchseva EV, Kozolv VV, Teplyakova S, Korantchsev AV, Grokhovsky VI (2020): Sierra Gorda 009: A new member of the metal-rich G chondrites grouplet. Meteoritics & planetary science 55: 1764-1792

Potrafke A, Breiter K, Ludwig T, Neuser RD, Stalder R (2020): Variations of OH defects and chemical impurities in natural quartz within igneous bodies. Physics and Chemistry of Minerals 47:24

Litvinenko AK, Sorokina ES, Häger T, Kostitsyn YA, Borcharnikow RE, Somsikova AV, Ludwig T, Romashova TV, Hofmeister W (2020): Petrogenesis of the Snezhnoe Ruby Deposit, Central Pamir Minerals 10, 478

Vakhrameevaa P, Wulf S, Koutsodendris A, Tjallingi R, Fletcher WJ, Appelt O, Ludwig T, Knipping M, Trieloff M, Pross J (2021): Eastern Mediterranean volcanism during marine isotope stages 9 to 7e (335–235 ka): Insights based on cryptotephra layers at Tenaghi Philippon, Greece. Journal of Volcanology and Geothermal Research 380 (15): 31–47

Dohmen R, Marschall HR, Ludwig T, Polednia J (2019): Diffusion of Zr, Hf, Nb and Ta in rutile: effects of temperature, oxygen fugacity, and doping level, and relation to rutile point defect chemistry. Physics and Chemistry of Minerals 46 (3), 311–332

Epp T, Marks MAW, Ludwig T, Kendrick MA, Eby N, Neidhardt H, Oelmann Y, Markl G (2019): Crystallographic and fluid compositional effects on the halogen (Cl, F, Br, I) incorporation in pyromorphite-group minerals, American Mineralogist 104 (11): 1673–1688.

Frigo C, Stalder R, Ludwig T (2019): OH defects in coesite and stishovite during ultrahigh-pressure metamorphism of continental crust. Physics and Chemistry of Minerals 46 (1): 77–89

Potrafke A, Stalder R, Schmidt BC, Ludwig T (2019): OH defect contents in quartz in a granitic system at 1–5 kbar. Contributions to Mineralogy and Petrology: 174:98

Konzett J, Hauzenberger C, Ludwig T, Stalder R (2018): Anatectic Granitic Pegmatites from the Eastern Alps: A Case of Variable Rare Metal Enrichment During High-Grade Regional Metamorphism. II: Pegmatite Staurolite As an Indicator of Anatectic Pegmatite Parent Melt Formation – A Field and Experimental Study. The Canadian Mineralogist 56 (4): 603–624.

Seitz H-M, Brey G, Harris JW, Durali-Müller S, Ludwig T, Höfer HE (2018): Ferropericlase inclusions in ultradeep diamonds from Sao Luiz (Brazil): high Li abundances and diverse Li-isotope and trace element compositions suggest an origin from a subduction mélange. Mineralogy and Petrology 112: 291–300

Altherr R, Soder C, Meyer HP, Ludwig T, Böhm M (2017): Ardennite in a high-P/T meta-conglomerate near Vitolište in the westernmost Vardar zone, Republic of Macedonia. European Journal of Mineralogy 29 (3): 473–489

Joachim B, Stechern A, Ludwig T, Konzett J, Pawley A, Ruziè-Hamilton L, Clay PL, Burgess R, Ballentine CJ (2017): Effect of water on the fluorine and chlorine partitioning behavior between olivine and silicate melt, Contributions to Mineralogy and Petrology 172:15

Ertl A; Kolitsch U, Dyar MD, Meyer HP, Rossman, GR, Henry DJ, Prem M, Ludwig T, Nasdala L, Lengauer CL, Tillmanns E, Niedermayr G (2016): Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. European Journal of Mineralogy 28 (1): 163–177

Ertl A, Vereshchagin OS, Giester G, Tillmanns E, Meyer HP, Ludwig T, Rozhdestvenskaya IV, Frank-Kamenetskaya OV (2015): Structural and Chemical Investigation of a zoned Cu-rich Tourmaline. The Canadian Mineralogist 53 (2): 209–220.

Bast R, Scherer EE, Mezger K, Austrheim H, Ludwig T, Marschall HR, Putnis A, Löwen K (2014): Boron isotopes in tourmaline as a tracer of metasomatic processes in the Bamble sector of Southern Norway. Contributions to Mineralogy and Petrology 168: 1069

Martin-Garcia R, Alsonso-Zarza AM, Martin-Perez A, Schröder-Ritzrau A, Ludwig T (2014) Relationships between colour and diagenesis in the aragonite-calcite speleothems in Basajaun Etxea cave, Spain. Sedimentary Geology 312: 63–75

Cabato J, Altherr R, Ludwig T, Meyer HP (2013) Li, Be, B concentrations and δ7Li values in plagioclase phenocrysts of dacites from Nea Kameni (Santorini, Greece). Contributions to Mineralogy and Petrology 165 (6): 1135–1154

Marschall HR, Dohmen R, Ludwig T (2013) Diffusion-induced fractionation of niobium and tantalum during continental crust formation. Earth and Planetary Science Letters 375: 361–371

Ertl A, Giester G, Ludwig T, Meyer HP, Rossman GR (2012): Synthetic B-rich olenite: Correlations of single-crystal structural data. American Mineralogist 97 (10): 1591–1597

Ertl A, Schuster R, Hughes JM, Ludwig T, Meyer H-P, Finger F, Dyar MD, Ruschel K, Rossman GR, Klötzli U, Brandstätter F, Lengauer CL, Tillmanns E (2012) Li-bearing tourmalines in Variscan granitic pegmatites from the Moldanubian nappes, Lower Austria. European Journal of Mineralogy 24 (2): 695–715.

Pabst S, Zack T, Savov IP, Ludwig T, Rost D, Tonarini S, Vicenzi EP (2012) The fate of subducted oceanic slabs in the shallow mantle: insights from boron isotopes and light element composition of metasomatized blueschists from the Mariana forearc. Lithos 132–133: 162–179

Stalder R, Prechtel F, Ludwig T (2012) No site specific infrared absorption coefficients for OH-defects in pure enstatite . European Journal of Mineralogy 24 (3): 465–470.

Hezel D, Kalt A, Marschall HR, Ludwig T, Meyer H-P (2011) Major element and Li, Be compositional evolution of tourmaline in an S-type granite-pegmatite system and its country rocks: an example from the island of Ikaria (Aegean Sea, Greece). Canadian Mineralogist 49: 321–340

Kaliwoda M, Marschall HR, Marks MA, Ludwig T, Altherr R, Markl G (2011) Boron and boron isotope systematics in the peralkaline Ilímaussaq intrusion (South Greenland) and its granitic country rocks: interplay between magmatic and hydrothermal processes. Lithos 125: 51–64

Klemme S, Marschall HR, Jacob D, Prowatke S, Ludwig T (2011) Trace element partitioning and boron isotope fractionation between mica and tourmaline. Canadian Mineralogist 49: 165–176

Ludwig T, Marschall HR, Pogge von Strandmann PAE, Shabaga BM, Fayek M, Hawthorne FC (2011) A secondary ion mass spectrometry (SIMS) re-evaluation of B and Li isotopic compositions of Cu-bearing elbaite from three global localities Mineralogical Magazine 75: 2485–2494

Marocchi M, Marschall HR, Konzett J, Tropper P, Ludwig T, Mair V, Bargossi GM (2011) Metasomatic tourmaline in hybrid contact bands between gneiss and peridotite in the Ulten Zone (Eastern Italian Alps): geochemistry and boron isotopic composition determined by SIMS. Canadian Mineralogist 49: 245–261

Pabst S, Savov I, Ludwig T, Rost D, Vicenzi E, Zack T (2011) Evidence for boron incorporation into the serpentine crystal structure. American Mineralogist 96: 1112–1119

Stähle V, Altherr R, Nasdala L, Ludwig T (2011) Ca-rich majorite of liquid- and solid-state derivation and stishovite in shock veins of crustal rocks from the Ries impact crater (Germany). Contributions to Mineralogy and Petrology 161: 275–291

Van Lichtervelde M, Holtz F, Dziony W, Ludwig T, Meyer H-P (2011) Incorporation mechanisms of Ta and Nb into zircon and implications for pegmatitic systems. American Mineralogist 96: 1079–1089

Vils F, Müntener O, Kalt A, Ludwig T (2011) Implications of the serpentine phase transition on the behaviour of beryllium and lithium-boron of subducted ultramafic rocks. Geochimica et Cosmochimica Acta 75: 1249–1271

Ertl A, Rossman GR, Hughes JM, London D, Wang Y, O'Leary JA, Dyar MD, Prowatke S, Ludwig T, Tillmanns E (2010) Tourmaline of the elbaite-schorl series from the Himalaya Mine, Mesa Grande, California: A detailed investigation. American Mineralogist 95: 24–40

Ertl A, Kolitsch U, Meyer H-P, Ludwig T, Lengauer CL, Nasdala L, Tillmanns E (2009) Substitution mechanism in tourmalines of the “fluor-elbaite“–rossmanite series from Wolkenburg, Saxony, Germany. Neues Jahrbuch für Mineralogie – Abhandlungen 186: 51–61

Hanrahan M, Brey G, Woodland A, Seitz H-M, Ludwig T (2009) Li as a barometer for bimineralic eclogites: Experiments in natural systems. Lithos 112: 992–1001

Luvizotto GL, Zack T, Meyer H-P, Ludwig T, Triebold S, Kronz A, Münker C, Stockli DF, Prowatke S, Klemme S, Jacob DE, von Eynatten H (2009) Rutile crystals as potential trace element and isotope mineral standards for microanalysis. Chemical Geology 261: 346–369

Marschall HR, Korsakov AV, Luvizotto GL, Nasdala L, Ludwig T (2009) On the occurrence and boron isotope composition of tourmaline in (ultra)high-pressure metamorphic rocks. Journal of the Geological Society London 166: 811–823

Marschall HR, Meyer C, Wunder B, Ludwig T, Heinrich W (2009) Experimental boron isotope fractionation between tourmaline and fluid: confirmation from in situ analyses by secondary ion mass spectrometry and from Rayleigh fractionation modelling. Contributions to Mineralogy and Petrology 158: 675–681

Kaliwoda M, Ludwig T, Altherr R (2008) A new SIMS study of Li, Be, B and δ7Li in mantle xenoliths from Harrat Uwayrid (Saudi Arabia). Lithos 106: 261–279

Marks MAW, Rudnick RL, Ludwig T, Marschall H, Zack T, Halama R, McDonough WF, Rost D, Wenzel T, Vicenzi EP, Savov IP, Altherr R, Markl G (2008) Sodic pyroxene and sodic amphibole as potential reference materials for in situ Lithium isotope determinations by SIMS. Geostandards and Geoanalytical Research 32: 295–310

Marschall HR, Altherr R, Kalt A, Ludwig T (2008) Detrital, metamorphic and metasomatic tourmaline in high-pressure metasediments from Syros (Greece): intra-grain boron isotope patterns determined by secondary-ion mass spectrometry. Contributions to Mineralogy and Petrology 155: 703–717

Rosner M, Wiedenbeck M, Ludwig T (2008) Composition-induced variations in SIMS instrumental mass fractionation during boron isotope ratio measurements of silicate glasses. Geostandards and Geoanalytical Research 32: 27–38

Vils F, Pelletier L, Kalt A, Müntener O, Ludwig T (2008) The lithium, boron and beryllium content of serpentinized peridotites from ODP Leg 209 (Sites 1272A and 1274A): Implications for lithium and boron budgets of oceanic lithosphere. Geochimica et Cosmochimica Acta 72: 5475–5504

Ertl A, Hughes JM, Prowatke S, Ludwig T, Brandstätter F, Körner W, Dyar MD (2007) Tetrahedrally coordinated boron in Li-bearing olenite from „mushroom“ tourmaline from Momeik, Myanmar. The Canadian Mineralogist 45 (4): 891–899

Kaeser B, Kalt A, Ludwig T (2007) Li, Be, and B abundances in minerals of peridotite xenoliths from Marsabit (Kenya): Disequilibrium processes and implications for subduction zone signatures. Geochemistry Geophysics Geosystems 8: Q09013, doi:10.1029/2006GC001555

Ludwig T, Stalder R (2007) A new method to eliminate the influence of in situ contamination in SIMS analysis of hydrogen. Journal of Analytical Atomic Spectrometry 22: 1415–1419

Stalder R, Ludwig T (2007) OH incorporation in synthetic diopside. European Journal of Mineralogy 19: 373–380

Ertl A, Hughes JM, Prowatke S, Ludwig T, Prasad PSR, Brandstätter F, Körner W, Schuster R, Pertlik F, Marschall HR (2006) Tetrahedrally-coordinated boron in tourmalines from the liddicoatite-elbaite series from Madagascar: structure, chemistry and infrared spectroscopic studies. American Mineralogist 91: 1847–1856

Jochum KP and 49 others (2006) MPI-DING reference glasses for in situ microanalysis: new reference values for element concentrations and isotope ratios. Geochemistry, Geophysics, Geosystems 7: Q02008, doi:10.1029/2005GC001060

Marschall HR, Altherr R, Ludwig T, Kalt A, Gméling K, Kasztovszky Z (2006) Partitioning and budget of Li, Be and B in high-pressure metamorphic rocks. Geochimica et Cosmochimica Acta 70: 4750–4769

Marschall HR, Ludwig T (2006) Re-examination of the boron isotopic composition of tourmaline from the Lavicky granite, Czech Republic, by secondary ion mass spectrometry: back to normal. Critical comment on "Chemical and boron isotopic compositions of tourmaline from the Lavicky leucogranite, Czech Republic" by S.-Y. Jiang et al., Geochemical Journal, 37, 545–556, 2003. Geochemical Journal 40: 631-638

Marschall HR, Ludwig T, Altherr R, Kalt A, Tonarini S (2006) Syros Metasomatic Tourmaline: Evidence for very high-δ11B fluids in subduction zones. Journal of Petrology 47: 1915–1942

Ertl A, Rossman GR, Hughes JM, Prowatke S, Ludwig T (2005) Mn-bearing „oxy-rossmanite“ with tetrahedrally-coordinated Al and B from Austria: structure, chemistry, and infrared and optical spectroscopic study American Mineralogist 90 (2–3): 481–487

Stalder R, Klemme S, Ludwig T, Skogby H (2005) Hydrogen incorporation in orthopyroxene: interaction of different trivalent cations. Contributions to Mineralogy and Petrology 150: 473–485

Tappert R, Stachel T, Harris JW, Muehlenbachs K, Ludwig T, Brey GP (2005) Diamonds from Jagersfontein (South Africa): messengers from the sublithospheric mantle. Contributions to Mineralogy and Petrology 150: 505–522

Tappert R, Stachel T, Harris JW, Muehlenbachs K, Ludwig T, Brey GP (2005) Subducting oceanic crust: The source of deep diamonds. Geology 33: 565–568

Altherr R, Topuz G, Marschall H, Zack T, Ludwig T (2004) Evolution of a tourmaline-bearing lawsonite eclogite form the Elekdag area (Central Pontides, N Turkey): evidence for infiltration of slab-derived B-rich fluids during exhumation. Contributions to Mineralogy and Petrology 148: 409–425

Ertl A, Pertlik F, Dyar MD, Prowatke S, Hughes JM, Ludwig T, Bernhardt H-J (2004) Fe-rich olenite with tetrahedrally coordinated Fe3+ from Eibenstein, Austria: Structural, chemical and Mössbauer data. The Canadian Mineralogist 42: 1057–1063

Ertl A, Schuster R, Prowatke S, Brandstätter F, Ludwig T, Bernhardt H-J, Koller F, Hughes JM (2004) Mn-rich tourmaline and fluoroapatite in a Variscan pegmatite from Eibenstein an der Thaya, Bohemian massif, Lower Austria. European Journal of Mineralogy 16: 551–560

Marschall HR, Ludwig T (2004) The low-boron contest: minimising surface contamination and analysing boron concentrations at the ng/g-level by secondary ion mass spectrometry. Mineralogy and Petrology 81: 265–278

Paquin J, Altherr R, Ludwig T (2004) Li-Be-B systematics in the ultrahigh-pressure garnet peridotite from Alpe Arami (Central Swiss Alps): implications for slab-to-mantle wedge transfer. Earth and Planetary Science Letters 218: 507–519

Woodland AB, Seitz H-M, Altherr R, Marschall H, Olker B, Ludwig T (2002) Li abundances in eclogite minerals: a clue to a crustal or mantle origin? Contributions to Mineralogy and Petrology 143 (5): 587–601

Kalt A, Schreyer W, Ludwig T, Prowatke S, Bernhardt H-J, Ertl A (2001) Complete solid solution between magnesian schorl and lithian excess-boron olenite in a pegmatite from the Koralpe (eastern Alps, Austria). European Journal of Mineralogy 13: 1191–1205

Seitz H-M, Altherr R, Ludwig T (1999) Partitioning of transition elements between orthopyroxene and clinopyroxene in peridotitic and websteritic xenoliths: new empirical geothermometers. Geochimica et Cosmochimica Acta 63 (23-24): 3967–3982

Kalt A, Altherr R, Ludwig T (1998) Contact metamorphism in pelitic rocks on the island of Kos (Greece, Eastern Aegean Sea): a test for the Na-in-cordierite thermometer. Journal of Petrology 39: 663–688