Search Results - "Schwarz, Winfried H"

Petrology, geochemistry and tectono-magmatic affinity of gabbroic olistoliths from the ophiolite mélange in the NW Dinaric-Vardar ophiolite zone (Mts. Kalnik and Ivanščica, North Croatia) by Lugovic, Bosko, Slovenec, Damir, Schuster, Ralf, Schwarz, Winfried H, Horvat, Marija

“…Previous study of mafic extrusive sequences suggested an 80 Ma period of tectono-magmatic evolution of the ROD from intra-continental rifting during the…”
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U‐Pb dating of zircons from an impact melt of the Nördlinger Ries crater by Schwarz, Winfried H., Hanel, Michael, Trieloff, Mario

“…In situ U‐Pb measurements on zircons of the Ries impact crater are presented for three samples from the quarry at Polsingen. The U‐Pb data of most zircons plot…”
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Al-Mg and U-Pb chronological records of Erg Chech 002 ungrouped achondrite meteorite by Reger, Philip M., Roebbert, Yvonne, Neumann, Wladimir, Gannoun, Abdelmouhcine, Regelous, Marcel, Schwarz, Winfried H., Ludwig, Thomas, Trieloff, Mario, Weyer, Stefan, Bouvier, Audrey

“…Achondrite meteorites are remnants of the earliest planetary differentiation processes in the Solar System. They have been used to anchor short-lived…”
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A Reappraisal of the 40Ar/38Ar Dating Technique via Irradiation with γ‐Rays by Hopp, Jens, Vogt, Manfred, Schwarz, Winfried H., Trieloff, Mario

“…In a reconnaissance study, we investigated the potential of γ‐ray induced production of 38ArK from 39K for geochronological applications. For this purpose,…”
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Intercalibration of 40Ar– 39Ar age standards NL-25, HB3gr hornblende, GA1550, SB-3, HD-B1 biotite and BMus/2 muscovite by Schwarz, Winfried H., Trieloff, Mario

“…40Ar– 39Ar dating requires precise and accurate age data of standard fluence monitors. Besides primary calibration of K and 40Ar concentrations (i.e. the ages…”
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Newly detected shock-induced high-pressure phases formed in amphibolite clasts of the suevite breccia (Ries impact crater, Germany): Liebermannite, kokchetavite, and other ultrahigh-pressure phases by Stähle, Volker, Chanmuang N., Chutimun, Schwarz, Winfried H., Trieloff, Mario, Varychev, Alexander

“…Amphibolite clasts in the suevite of the Ries impact crater contain shock-induced melt veins (SMVs) with high-pressure phases such as majoritic garnet,…”
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Modeling the evolution of the parent body of acapulcoites and lodranites: A case study for partially differentiated asteroids by Neumann, Wladimir, Henke, Stephan, Breuer, Doris, Gail, Hans-Peter, Schwarz, Winfried H., Trieloff, Mario, Hopp, Jens, Spohn, Tilman

“…•We model the thermo-chemical evolution of the acapulcoite-lodranite parent body.•We fit the thermo-chronological data and the differentiation degree of…”
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Petrology and U–Pb zircon age of the Variscan porphyroclastic Rand Granite at the southeastern margin of the Central Schwarzwald Gneiss Complex (Germany) by Altherr, Rainer, Hanel, Michael, Schwarz, Winfried H., Wimmenauer, Wolfhard

“…The Variscan Rand Granite as defined in this paper is a deformed I-type biotite granite that intruded along the southern-to-southeastern margin of the Central…”
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Carboniferous high-potassium I-type granitoid magmatism in the Eastern Pontides: The Gümüşhane pluton (NE Turkey) by Topuz, Gültekin, Altherr, Rainer, Siebel, Wolfgang, Schwarz, Winfried H., Zack, Thomas, Hasözbek, Altuğ, Barth, Mathias, Satır, Muharrem, Şen, Cüneyt

“…The Gümüşhane pluton, a high-K calc-alkaline I-type granodiorite/granite complex, forms an important component of the pre-Liassic basement of the Eastern…”
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Post-collisional adakite-like magmatism in the Ağvanis Massif and implications for the evolution of the Eocene magmatism in the Eastern Pontides (NE Turkey) by Topuz, Gültekin, Okay, Aral I., Altherr, Rainer, Schwarz, Winfried H., Siebel, Wolfgang, Zack, Thomas, Satır, Muharrem, Şen, Cüneyt

“…In the Anatolia, the Caucasus and northwest Iran, the Eocene epoch is characterized by widespread basic to acidic magmatism, whose temporal and spatial…”
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Linking shock textures revealed by BSE, CL, and EBSD with U‐Pb data (LA‐ICP‐MS and SIMS) from zircon from the Araguainha impact structure, Brazil by Hauser, Natalia, Reimold, Wolf Uwe, Cavosie, Aaron J., Crósta, Alvaro P., Schwarz, Winfried H., Trieloff, Mario, Da Silva Maia de Souza, Carolinna, Pereira, Luciana A., Rodrigues, Eduardo N., Brown, Matthews

“…A silicious impact melt rock from polymict impact breccia of the northern part of the alkali granite core of the Araguainha impact structure, central Brazil,…”
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40Ar-39Ar step-heating of impact glasses from the Nördlinger Ries impact crater-Implications on excess argon in impact melts and tektites by Schwarz, Winfried H., Lippolt, Hans J.

“…Seven impact melts from various places in the Nördlinger Ries were dated by 40Ar‐39Ar step‐heating. The aim of these measurements was to increase the age data…”
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A Rhaetian 40Ar/39Ar age for the Rochechouart impact structure (France) and implications for the latest Triassic sedimentary record by SCHMIEDER, Martin, BUCHNER, Elmar, SCHWARZ, Winfried H., TRIELOFF, Mario, LAMBERT, Philippe

“…– 40Ar/39Ar dating of potassium feldspar (primary spherulitic‐blocky and secondary idiomorphic K‐feldspar) separated from impact‐metamorphosed gneiss found…”
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Solar noble gases in an iron meteorite indicate terrestrial mantle signatures derive from Earth’s core by Vogt, Manfred, Trieloff, Mario, Ott, Ulrich, Hopp, Jens, Schwarz, Winfried H.

“…Abstract Noble gases are important tracers of planetary accretion and acquisition of volatiles to planetary atmospheres and interiors. Earth’s mantle hosts…”
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Nature, age, and emplacement of the Spongtang Ophiolite, Ladakh, NW India by Catlos, Elizabeth J, Pease, Emily C, Dygert, Nick, Brookfield, Michael, Schwarz, Winfried H, Bhutani, Rajneesh, Pande, Kachan, Schmitt, Axel

“…The Spongtang ophiolite (Ladakh, NW India) constrains the nature of oceanic lithosphere before Indo-Asia collision and key stages in the development of the…”
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Establishing a 14.6 ± 0.2 Ma age for the Nördlinger Ries impact (Germany)-A prime example for concordant isotopic ages from various dating materials by BUCHNER, Elmar, SCHWARZ, Winfried H., SCHMIEDER, Martin, TRIELOFF, Mario

“…– 40Ar/39Ar dating of recrystallized K‐feldspar melt particles separated from partially molten biotite granite in impact melt rocks from the approximately 24…”
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Post-collisional plutonism with adakite-like signatures: the Eocene Saraycık granodiorite (Eastern Pontides, Turkey) by Topuz, Gültekin, Altherr, Rainer, Schwarz, Winfried H., Siebel, Wolfgang, Satır, Muharrem, Dokuz, Abdurrahman

“…The post-collisional Saraycik granodiorite intruded into a late Paleocene to early Eocene nappe pile that formed during collision of the Pontides in the North…”
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A Carnian 40Ar/39Ar age for the Paasselkä impact structure (SE Finland)-An update by Schwarz, Winfried H., Schmieder, Martin, Buchner, Elmar, Trieloff, Mario, Moilanen, Jarmo, Öhman, Teemu

“…A recrystallized band of pale feldspathic impact melt in a gneissic impact breccia from the approximately 10 km Paasselkä impact structure in southeast Finland…”
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The two Suvasvesi impact structures, Finland: Argon isotopic evidence for a "false" impact crater doublet by Schmieder, Martin, Schwarz, Winfried H., Trieloff, Mario, Buchner, Elmar, Hopp, Jens, Tohver, Eric, Pesonen, Lauri J., Lehtinen, Martti, Moilanen, Jarmo, Werner, Stephanie C., Öhman, Teemu

“…The two neighboring Suvasvesi North and South impact structures in central‐east Finland have been discussed as a possible impact crater doublet produced by the…”
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The Cretaceous-Palaeogene boundary at Gorgonilla Island, Colombia, South America by Bermúdez, Hermann D., García, Jenny, Stinnesbeck, Wolfgang, Keller, Gerta, Rodríguez, José Vicente, Hanel, Michael, Hopp, Jens, Schwarz, Winfried H., Trieloff, Mario, Bolívar, Liliana, Vega, Francisco J.

“…The discovery of a new Cretaceous/Palaeogene (K/Pg) bathyal marine sequence on Gorgonilla Island, SW Colombia, extends the presence of Chicxulub impact…”
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