Search Results - "J. L. Wooden"

“Fingerprinting” tectono-magmatic provenance using trace elements in igneous zircon by Grimes, C. B., Wooden, J. L., Cheadle, M. J., John, B. E.

“…Over 5300 recent SHRIMP-RG analyses of trace elements (TE) in igneous zircon have been compiled and classified based on their original tectono-magmatic setting…”
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Marine Volcaniclastic Record of Early Arc Evolution in the Eastern Ritter Range Pendant, Central Sierra Nevada, California by A. P. Barth, J. L. Wooden, N. R. Riggs, J. D. Walker, K. Tani, S. C. Penniston‐Dorland, C. E. Jacobson, J. A. Laughlin, R. Hiramatsu

“…Abstract Marine volcaniclastic rocks in the Sierra Nevada preserve a critical record of silicic magmatism in the early Sierra Nevada volcanic arc, and this…”
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Elucidating the magmatic history of the Austurhorn silicic intrusive complex (southeast Iceland) using zircon elemental and isotopic geochemistry and geochronology by Padilla, A. J., Miller, C. F., Carley, T. L., Economos, R. C., Schmitt, A. K., Coble, M. A., Wooden, J. L., Fisher, C. M., Vervoort, J. D., Hanchar, J. M.

“…The Austurhorn intrusive complex (AIC) in southeast Iceland comprises large bodies of granophyre and gabbro, and a mafic–silicic composite zone (MSCZ) that…”
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Ca cycling and isotopic fluxes in forested ecosystems in Hawaii by Wiegand, B. A., Chadwick, O. A., Vitousek, P. M., Wooden, J. L.

“…Biogeochemical processes fractionate Ca isotopes in plants and soils along a 4 million year developmental sequence in the Hawaiian Islands. We observed that…”
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Age of host rocks at the Coles Hill uranium deposit, Pittsylvania County, Virginia, based on zircon U-Pb geochronology by Tappa, M. J, Ayuso, R. A, Bodnar, R. J, Aylor, J. G, Beard, J, Henika, W. S, Vazquez, J. A, Wooden, J. L

“…New U-Pb zircon SHRIMP geochronology confirms that the Coles Hill uranium deposit in Pittsylvania County, Virginia, is hosted within the Late Ordovician to…”
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Origin of ~2.5 Ga potassic granite from the Nellore Schist Belt, SE India: textural, cathodoluminescence, and SHRIMP U–Pb data by Vijaya Kumar, K., Ernst, W. G., Leelanandam, C., Wooden, J. L., Grove, M. J.

“…In a geochemical and geochronological investigation of Archean and Proterozoic magmatism in the Nellore Schist Belt, we conducted SHRIMP U–Pb analyses of…”
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Integrated provenance analysis of a complex orogenic terrane; Mesozoic uplift of the Bogda Shan and inception of the Turpan-Hami Basin, NW China by Greene, Todd J, Carroll, Alan R, Wartes, Marwan, Graham, Stephan A, Wooden, Joseph L

“…We employ petrographic and advanced geochemical techniques to better document the evolution of the Turpan-Hami basin based on the unique geologic histories of…”
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Zircon geochronology and ca. 400 Ma exhumation of Norwegian ultrahigh-pressure rocks: an ion microprobe and chemical abrasion study by Root, D.B., Hacker, B.R., Mattinson, J.M., Wooden, J.L.

“…Understanding the formation and exhumation of the remarkable ultrahigh-pressure (UHP) rocks of the Western Gneiss Region, Norway, hinges on precise…”
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Archean Protolith and Accretion of Crust in Kamchatka: SHRIMP Dating of Zircons from Sredinny and Ganal Massifs by Bindeman, I. N., Vinogradov, V. I., Valley, J. W., Wooden, J. L., Natal’in, B. A.

“…We used an ion microprobe (SHRIMP‐RG) for U‐Pb dating of individual zircons in high‐grade metamorphic basements of the felsic Sredinny and mafic Ganal Massifs…”
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First Paleoproterozoic ophiolite from Gondwana: Geochronologic–geochemical documentation of ancient oceanic crust from Kandra, SE India by Vijaya Kumar, K., Ernst, W.G., Leelanandam, C., Wooden, J.L., Grove, M.J.

“…SHRIMP-RG zircon U–Pb ages confirm the 1.85 Ga age of oceanic crust generated along the SE margin of India. This Paleoproterozoic ophiolite was accreted along…”
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Lithium concentration gradients in feldspar and quartz record the final minutes of magma ascent in an explosive supereruption by Charlier, B.L.A., Morgan, D.J., Wilson, C.J.N., Wooden, J.L., Allan, A.S.R., Baker, J.A.

“…Pre- and syn-eruptive time-scales of magmatic processes in large-scale explosive eruptions can be quantified from compositional gradients established between…”
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U–Pb SHRIMP geochronology of zircon in garnet peridotite from the Sulu UHP terrane, China: Implications for mantle metasomatism and subduction-zone UHP metamorphism by Zhang, R.Y., Yang, J.S., Wooden, J.L., Liou, J.G., Li, T.F.

“…We studied the Zhimafang ultrahigh-pressure metamorphic (UHP) peridotite from pre-pilot drill hole PP-1 of Chinese Continental Scientific Drilling project in…”
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U–Pb dating of zircon in hydrothermally altered rocks of the Kawerau Geothermal Field, Taupo Volcanic Zone, New Zealand by Milicich, S.D., Wilson, C.J.N., Bignall, G., Pezaro, B., Charlier, B.L.A., Wooden, J.L., Ireland, T.R.

“…Crystallisation-age spectra have been obtained by SIMS techniques (SHRIMP-RG) on zircons from altered volcanic units penetrated by drillholes at Kawerau…”
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Triassic plutonism in southern California: Southward younging of arc initiation along a truncated continental margin by Barth, A. P., Tosdal, R. M., Wooden, J. L., Howard, K. A.

“…Earliest Cordilleran magmatism in the southwestern United States is recorded by a belt of Triassic plutons that intrude Proterozoic basement of the Mojave…”
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Geochronology and tectonic significance of Middle Proterozoic granitic orthogneiss, North Qaidam HP/UHP terrane, Western China by Mattinson, C. G., Wooden, J. L., Liou, J. G., Bird, D. K., Wu, C. L.

“…Amphibolite-facies para- and orthogneisses near Dulan, in the southeast part of the North Qaidam terrane, enclose minor ultra-high pressure (UHP) eclogite and…”
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Extreme U-Th Disequilibrium in Rift-Related Basalts, Rhyolites and Granophyric Granite and the Timescale of Rhyolite Generation, Intrusion and Crystallization at Alid Volcanic Center, Eritrea by LOWENSTERN, J B, Charlier, B L A, CLYNNE, M A, Wooden, J L

“…Rhyolite pumices and co-erupted granophyric (granite) xenoliths yield evidence for rapid magma generation and crystallization prior to their eruption at 15·2 ±…”
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Slowing extrusion tectonics: lowered estimate of post-Early Miocene slip rate for the Altyn Tagh fault by Yue, Yongjun, Ritts, Bradley D., Graham, Stephan A., Wooden, Joseph L., Gehrels, George E., Zhang, Zhicheng

“…Determination of long-term slip rate for the Altyn Tagh fault is essential for testing whether Asian tectonics is dominated by lateral extrusion or distributed…”
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Protolith and metamorphic ages of the Haiyangsuo Complex, eastern China: a non-UHP exotic tectonic slab in the Sulu ultrahigh-pressure terrane by Liou, J. G., Tsujimori, T., Chu, W., Zhang, R. Y., Wooden, J. L.

“…The Haiyangsuo Complex in the NE Sulu ultrahigh-pressure (UHP) terrane has discontinuous, coastal exposures of Late Archean gneiss with amphibolitized…”
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Relationship of voluminous ignimbrites to continental arc plutons: Petrology of Jurassic ignimbrites and contemporaneous plutons in southern California by Fohey-Breting, N.K., Barth, A.P., Wooden, J.L., Mazdab, F.K., Carter, C.A., Schermer, E.R.

“…Volcanism was broadly associated in both space and time with Mesozoic plutonism in the Cordillera continental margin arc, but the precise petrogenetic…”
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SHRIMP U-Pb dating of coesite-bearing zircon from the ultrahigh-pressure metamorphic rocks, Sulu terrane, east China by Yang, J. S., Wooden, J. L., Wu, C. L., Liu, F. L., Xu, Z. Q., Shi, R. D., Katayama, I., Liou, J. G., Maruyama, S.

“…This paper provides further evidence for the ongoing discussion as to whether the Dabie UHPM belt formed in Triassic or Palaeozoic time, and whether the Sulu…”
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