 | Mundil, Roland, Brack, Peter, Meier, Martin, Rieber, Hans, Oberli, Felix (1996) High resolution UPb dating of Middle Triassic volcaniclastics: Time-scale calibration and verification of tuning parameters for carbonate sedimentation. Earth and Planetary Science Letters, 141 (1) 137-151 doi:10.1016/0012-821x(96)00057-x | Journal (article/letter/editorial) | | Resources, ETH-Zentrum, NO H 4.5, CH-8092 Ziirich, Switzerland b Department of Earth Sciences, ETH-Zentrum,...University, Karl Schmid-Strasse 4, CH-8006 Ziirich, Switzerland Received 2 October 1995; accepted 15 March...South Alpine sections (Seceda, Bagolino and Monte San Giorgio). In these sections ammonoids, thinshelled...affected by secondary Pb loss. At Monte San Giorgio (Ticino, Southern Switzerland) layers of bentonite a few...age-equivalent with bed 71 (= MSG.091 at Monte San Giorgio. The layer contains medium to coarse sand |  | | Report (chapter) | | Erdwissenschaften, ETH Zürich, CH-8092 Zürich, Switzerland *Corresponding author (e-mail: rmundil@bgc.org)...Anisian/Ladinian Grenzbitumenzone at Monte San Giorgio in Ticino (southern Switzerland). One of these horizons was...primary) and secondary authigenic K –feldspars. High-sanidine phenocrysts yielded an average K –Ar age of 232...into account) and phenocrysts composed of high-sanidine cores with a secondary overgrowth of K –feldspar...40Ar/39Ar dating (here 28.02 Ma for Fish Canyon sanidine) requires a correction if 40Ar/39Ar ages are compared |  | | Report (chapter) | | Ma. (30) Grenzbitumenzone bentonites, Switzerland. High sanidine: average K-Ar age of 232 +-9 Ma, 4~ plateau...plateau age of 232 + 8 Ma. High sanidine + overgrowth: average K-Ar age of 235 + 6 Ma, 4~ plateau age...7Ma. (33) Val Serrata tuff, Switzerland. Mean K-Ar age of 225 + 4 Ma (sanidine). (34) Maryborough Basin...other volcanics at a similar stratigraphic level. Sanidine from trachytes in the upper part of the Garleton...in Germany (Damon & Teichmiiller 1971); primary sanidine from a tonstein horizon in the coal seam Hagen |  | Renne, Paul R., Mundil, Roland, Balco, Greg, Min, Kyoungwon, Ludwig, Kenneth R. (2010) Joint determination of 40K decay constants and 40Ar∗/40K for the Fish Canyon sanidine standard, and improved accuracy for 40Ar/39Ar geochronology. Geochimica et Cosmochimica Acta, 74 (18) 5349-5367 doi:10.1016/j.gca.2010.06.017 | Journal (article/letter/editorial) | | decay constants and 40Ar*/40K for the Fish Canyon sanidine standard, and improved accuracy for 40Ar/39Ar...40Ar*/40K ratio (jFCs) of the widely used Fish Canyon sanidine (FCs) standard. This yields values of jFCs = (1...covariances in error propagation by either linear or Monte Carlo methods. 40Ar/39Ar age errors estimated from...calibration, the age of the widely used Fish Canyon sanidine standard is 28.305 ± 0.036 Ma. The increased accuracy...standards such as the widely used Fish Canyon sanidine (FCs), whose age has been addressed by the following |  | | Journal (issue) | | ein- Stück ~ewählt. in dem man die so au0alligen Sanidine nicht sieht usw.). Auch finden sich eine Reihe...jungpaläozoischen Granit von Baveno. in den Gneisen der Monte Rosa-Decke und des Lepontin und namentlich 111 dem...Mineral. Frische Erosionsanrisse am Nordhang des Monte Bassetto, Santa Maria Maggiorc/Val Vigezzo. Bestimmung...Drusen im permischen Quarzporphyr von Cuasso al Monte auf der italienischen (südwe tlichen) bzw. von Carona...Ossolatal und den Kanton Ticino hinweggegangen ist, wurden am Nordhang des Monte Bassetta zwischen Santa |  | | Report (issue) | | resources of the Fort Piute Wilderness Study Area, San Bernardino County, California. Washington, B.C. :...Mountains and Rodman Mountains Wilderness Areas, San Bernardino County, California. Washington, D.C. :...the Anchor Limestone (Lower Mississippian) of the Monte Cristo Group southern Nevada. [Lawrence, Kan.] :...Workshop on Special Study Areas in Southern California, San Diego, California, February 28-March 2, 1985. Reston...Geochemical data, Red Mountains mining district, San Juan Mountains, Colorado. [Reston, VA] : U.S. Geological |  | | Book | | company address is: Gewerbestrasse 11, 6330 Cham, Switzerland Preface This volume grew out of a personal...l’Environnement, Université de Genève, Genève, Switzerland Michael J. Clutson Halifax, NS, Canada Jacopo...l’Environnement, Université de Genève, Genève, Switzerland Ashton Embry Geological Survey of Canada, Calgary...also included localities at Raibl, Bleiberg and San Cassiano (Fig. 1.3). Lieberman (1980) proposed the...Ischigualasto Formation, Ischigualasto Provincial Park, San Juan, Argentina. J S Am Earth Sci 27:74–87 Dal Corso |  | | Report (volume) | | ammonoids (Moj vics 1882a) at Cimego, Dont and Monte Cucco in the southern Alps as the type strata of...Erdwissenschaften, ETH Ziirich, CH-8092 Ziirich, Switzerland *Corresponding author (e-mail: rmundil@bgc.org)...Grenzbitumen- zone at Monte San Giorgio in Ticino (southern Switzerland). One of these horizons...primary) and secondary authigenic K—feldspars. High-sanidine phenocrysts frame in order to emphasize and contrast...horizons and and pheno- crysts composed of high-sanidine cores with a sec- ondary overgrowth of K—feldspar |  | | Report (volume) | | Rb-Sr, w.r. 10 pt Rb-Sr, w.r. K-Ar, 4 biotites + 1 sanidine K-Ar 1 biotite 39/40 Ar Rb-Sr biotite K-Ar biotite...12. Chasmops Limestone, Kinnekulle. Biotite and sanidine 76 W. S. M c K e r r o w , R. St. J. L a m...have obtained an Rb/Sr isochron from biotite and sanidine from the A1 bentonite at Kinnekulle, which gives...210 11. Laidlaw Volcanics, Australia K-Ar, sanidine K-Ar, biotite Rb-Sr, WR Rb-Sr, biotite 409 +...Carters Limestone, Alabama, USA K-Ar, biotite, sanidine 455 + 10 Early to Middle Caradoc NDS 129 19 |  | | Book | | Bituminous Layers of the Middle Triassic of Ticino (Switzerland) (Abstract) H. Rie.b er . . . . . . . . ...Institution of Oceanography University of California, San Di ego La Jolla , California 92093, USA Bloos, G...ETH Zlirich, Klinstlergasse 16, 8006 Zurich, Switzerland Schwarzacher, W., Prof . University of Belfast...iridium, however, is poorly understood. Recently, sanidine spherules have been proposed as additional evidence...paleoceanography. Annual Meeting Geological Society of America, San Diego, California 1979, Abstracts with Programs |  | | Journal (article/letter/editorial) | | THE GENUS 15 Pilbro, C. ECOLOGY OF EARLY EOCENE SAN JUAN BASIN, NM PHENACOLEMUR JEPSENI WITH PHENACOLEMUR...ECOLOGY OF THE LATE PLEISTOCENE EQUIDS FROM EL CEDRAL, SAN LUIS POTOSI, MEXICO, AS EVIDENCED BY DENTAL WEAR...MIOCENE LOCAL FAUNA FROM THE SIERRA MADRE ORIENTAL AT SAN LUIS POTOSĺ, CENTRAL-EAST MEXICO, AND ITS PALEONTOLOGIC...HISTORIES OF TRIASSIC MARINE REPTILES FROM MONTE SAN GIORGIO, SWITZERLAND 8:30 Jiang, L., Motani, R., Chen...TURTLES FROM THE LATE CRETACEOUS TO PALEOCENE IN THE SAN JUAN BASIN, NEW MEXICO 39 Vitek, N. GIANT FOSSIL |  | | Report (issue) | | R. (1993) Entrenchment and widening of the Upper San Pedro River, Arizona. Geol. Soc. Am. Spec. Pap.,...from noble gases dissolved in groundwater from the San Juan basin, New Mexico. Quat. Res., 43, 209–220....Citadel of Zakynthos (Subally et al., 1999), Monte San Giorgio at Caltagirone (Dubois, 2001), Tsampika in...Orbitaux vers 1 Ma. Etude de la Coupe de Monte San Giorgio (Caltagirone, Sicile): Palynologie, Isotopes...uni-hannover.de) †Escuela Centroamericana de Geología, San José, Costa Rica ‡Department of Geological and Environmental |  | | Book (volume) | | Boston Heidelberg London New York Oxford Paris San Diego San Francisco Singapore Sydney Tokyo GAIA 1 GAIA... Other pegmatite areas include the Pala area of San Diego County in California, the Nuristan area of...Moseley F (1981) Methods in Field Geology. Oxford/San Francisco: Freeman. Ramsay JG and Huber MI (1987)...Norway Philippines Portugal Russiae Spain Sweden Switzerland United Kingdom United States of America a In...surveys. Today, all except the small states (Andorra, San Marino, and Liechtenstein) have them, the most recent |
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