Search Results - "Todt, Wolfgang"

Crustal age domains in the Kibaran belt of SW-Uganda: Combined zircon geochronology and Sm–Nd isotopic investigation by Buchwaldt, Robert, Toulkeridis, Theofilos, Todt, Wolfgang, Ucakuwun, Elias K.

“…Combination of geochemistry, Nd mean crustal residence ages and single zircon ages reveal distinct provinces not recognized previously within the Kibaran belt…”
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Coupled evolution of back-arc and island arc-like mafic crust in the late-Neoproterozoic Agardagh Tes-Chem ophiolite, Central Asia: evidence from trace element and Sr-Nd-Pb isotope data by Pfänder, Jörg, Jochum, Klaus, Kozakov, Ivan, Kröner, Alfred, Todt, Wolfgang

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U-Pb zircon age for the Nanhua-Sinian boundary by Chu Xuelei, Todt, Wolfgang, Zhang Qirui, Chen, Fukun, Huang, Jing

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Characterization, provenance, and tectonic setting of Fig Tree greywackes from the Archaean Barberton Greenstone Belt, South Africa by Toulkeridis, Theofilos, Clauer, Norbert, Kröner, Alfred, Reimer, Thomas, Todt, Wolfgang

“…In this study, mineralogical and geochemical data, as well as Sr and Nd isotopic compositions of early Archaean greywackes from the Fig Tree Group are…”
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Petrology, geochronology, and tectonic implications of c. 500 Ma metamorphic and igneous rocks along the northern margin of the Central Asian Orogen (Olkhon Terrane, Lake Baikal, Siberia) by Gladkochub, Dmitry P, Donskaya, Tatiana V, Wingate, Michael T. D, Poller, Ulrike, Kröner, Alfred, Fedorovsky, Valentin S, Mazukabzov, Anatoliy M, Todt, Wolfgang, Pisarevsky, Sergei A

“…A significant portion of the continental crust of northern Eurasia is thought to have formed during the evolution of the Central Asian Orogenic Belt at the…”
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Multistage magmatic and metamorphic evolution in the Southern Siberian Craton: Archean and Palaeoproterozoic zircon ages revealed by SHRIMP and TIMS by Poller, Ulrike, Gladkochub, Dmitry, Donskaya, Tatiana, Mazukabzov, Anatoli, Sklyarov, Eugene, Todt, Wolfgang

“…This U–Pb zircon geochronological study using TIMS and SHRIMP dating reveals new insights into the magmatic and metamorphic evolution of the Siberian Craton…”
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Pb/Pb age determinations on the Newania and Sevattur carbonatites of India: evidence for multi-stage histories by Schleicher, Helmut, Todt, Wolfgang, Viladkar, Shrivinas G., Schmidt, Fatemeh

“…The ages of Indian carbonatites are still controversial. Most of the earlier datings were done by K/Ar methods. We therefore analysed Pb/Pb ratios in…”
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Zircon and Garnet Geochronology of Eclogites from the Moldanubian Zone of the Black Forest, Germany by Chen, Fukun, Todt, Wolfgang, Hann, Horst Peter

“…The Moldanubian zone of the Black Forest, Germany, part of the internal zone of the central European Variscan belt, exposes high‐pressure metamorphic rocks as…”
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Sm–Nd, Rb–Sr and Pb–Pb dating of silicic carbonates from the early Archaean Barberton Greenstone Belt, South Africa: Evidence for post-depositional isotopic resetting at low temperature by Toulkeridis, Theofilos, Goldstein, Steve L., Clauer, Norbert, Kröner, Alfred, Todt, Wolfgang, Schidlowski, Manfred

“…Two silicic carbonate sequences occurring in the Onverwacht Group (OG) and the overlying Fig Tree Group (FTG) of the early Archaean Barberton Greenstone Belt,…”
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Sm–Nd, Rb–Sr and Pb–Pb dating of silicic carbonates from the early Archaean Barberton Greenstone Belt, South Africa by Toulkeridis, Theofilos, Goldstein, Steve L., Clauer, Norbert, Kröner, Alfred, Todt, Wolfgang, Schidlowski, Manfred

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Enriched Subcontinental Upper Mantle beneath Southern India: Evidence from Pb, Nd, Sr, and C–O Isotopic Studies on Tamil Nadu Carbonatites by Schleicher, Helmut, Kramm, Ulrich, Pernicka, Ernst, Schidlowski, Manfred, Schmidt, Fatemeh, Subramanian, V., Todt, Wolfgang, Viladkar, Shrivinas G.

“…The major, trace and rare earth element distributions as well as the Nd, Sr, Pb, C and O isotope geochemistry of four carbonatite occurrences (Sevattur,…”
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Laser zoom optics enable real-time machining by Anon

“…Materials processing depends on different optical laser beam delivery options to ensure the proper beam profile at the workpiece. While the beam profile and…”
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