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  • 1
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    Zircon U-Pb and Hf-O analysis of porphyries from the Duolong porphyry Cu-Au deposit in the Bangongco copper belt, central Tibet (2013)
    PANGAEA
    In:  Supplement to: Li, Jinxiang; Qin, Ke-Zhang; Li, Guang-Ming; Xiao, Bo; Zhao, Jun-Xing; Cao, Mingjian; Chen, Lei (2013): Petrogenesis of ore-bearing porphyries from the Duolong porphyry Cu-Au deposit, central Tibet: evidence from U-Pb geochronology, petrochemistry and Sr-Nd-Hf-O isotope characteristics. Lithos, 160-161, 216-227, https://doi.org/10.1016/j.lithos.2012.12.015
    Details
    Publication Date: 2023-01-13
    Description: The Duolong porphyry Cu-Au deposit (5.4 Mt at 0.72% Cu, 41 t at 0.23 g/t Au), which is related to the granodiorite porphyry and the quartz-diorite porphyry from the Bangongco copper belt in central Tibet, formed in a continental arc setting. Here, we present the zircon U-Pb ages, geochemical whole-rock, Sr-Nd whole-rock and zircon in-situ Hf-O isotopic data for the Duolong porphyries. Secondary ion mass spectrometry (SIMS) zircon U-Pb analyses for six samples yielded consistent ages of ~118 Ma, indicating a Cretaceous formation age. The Duolong porphyries (SiO2 of 58.81-68.81 wt.%, K2O of 2.90-5.17 wt.%) belong to the high-K calc-alkaline series. They show light rare earth element (LREE)-enriched distribution patterns with (La/Yb)N = 6.1-11.7, enrichment in large ion lithophile elements (e.g., Cs, Rb, and Ba) and depletion of high field strength elements (e.g., Nb), with negative Ti anomalies. All zircons from the Duolong porphyries share relatively similar Hf-O isotopic compositions (d18O=5.88-7.27 per mil; eHf(t)=3.6-7.3), indicating that they crystallized from a series of cogenetic melts with various degrees of fractional crystallization. This, along with the general absence of older inherited zircons, rules out significant crustal contamination during zircon growth. The zircons are mostly enriched in d18O relative to mantle values, indicating the involvement of an 18O-enriched crustal source in the generation of the Duolong porphyries. Together with the presence of syn-mineralization basaltic andesite, the mixing between silicic melts derived from the lower crust and evolved H2O-rich mafic melts derived from the metsomatizied mantle wedge, followed by subsequent fractional crystallization (FC) and minor crustal contamination in the shallow crust, could well explain the petrogenesis of the Duolong porphyries. Significantly, the hybrid melts possibly inherited the arc magma characteristics of abundant F, Cl, Cu, and Au elements and high oxidation state, which contributed to the formation of the Duolong porphyry Cu-Au deposit.
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 2
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    Table 2. Zircon Hf-O data of the porphyries from the Duolong porphyry Cu-Au deposit in the Bangongco copper belt, central Tibet (2013)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Keywords: -; AGE; Age, dated material; BLZK15502-484; BLZK15502-553; BLZK17103-332; BLZK17103-368; BLZK17103-465; DD-8; Duolong Bangongco, central Tibet; Event label; Hafnium-176/Hafnium-177; Hafnium-176/Hafnium-177, error; Lutetium/Hafnium ratio; Lutetium-176/Hafnium-177; Lutetium-176/Hafnium-177, error; ROCK; Rock sample; Sample code/label; Ytterbium-176/Hafnium-177; Ytterbium-176/Hafnium-177, error; δ18O; δ18O, standard deviation; ε-Hafnium (0); ε-Hafnium (T)
    Type: Dataset
    Format: text/tab-separated-values, 2550 data points
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  • 3
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    Table 1. Zircon U-Pb data by SIMS for the porphyries from the Duolong porphyry Cu-Au deposit in the Bangongco copper belt, central Tibet (2013)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Keywords: Age, 206Pb/238U Lead-Uranium; Age, 207Pb/235U Lead-Uranium; Age, dated; Age, dated material; Age, error; BLZK15502-484; BLZK15502-553; BLZK17103-332; BLZK17103-368; BLZK17103-465; Common 206Pb in total 206Pb; DD-8; Duolong Bangongco, central Tibet; Event label; Lead-206/Uranium-238, error, relative; Lead-206/Uranium-238 ratio; Lead-207/Uranium-235, error, relative; Lead-207/Uranium-235 ratio; ROCK; Rock sample; Sample code/label; Thorium; Thorium/Uranium ratio; Uranium
    Type: Dataset
    Format: text/tab-separated-values, 1218 data points
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  • 4
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    Underway physical oceanography and carbon dioxide measurements during Xue Long cruise 76XL20120717 (2018)
    PANGAEA
    In:  Key Laboratory of Global Change and Marine-Atmospheric Chemistry, Third Institute of Oceanography, State Oceanic Administration
    Details
    Publication Date: 2024-02-17
    Keywords: 76XL20120717; 76XL20120717-track; Algorithm; CT; DATE/TIME; Depth, bathymetric, interpolated/gridded; DEPTH, water; Distance; extracted from GLOBALVIEW-CO2; extracted from the 2-Minute Gridded Global Relief Data (ETOPO2); extracted from the NCEP/NCAR 40-Year Reanalysis Project; extracted from the World Ocean Atlas 2005; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); LATITUDE; LONGITUDE; Pressure, atmospheric; Pressure, atmospheric, interpolated; Pressure at equilibration; Quality flag; Recomputed after SOCAT (Pfeil et al., 2013); Salinity; Salinity, interpolated; SOCAT; Surface Ocean CO2 Atlas Project; Temperature, water; Temperature at equilibration; Underway cruise track measurements; xCO2 (air), interpolated; xCO2 (water) at equilibrator temperature (dry air); Xue Long
    Type: Dataset
    Format: text/tab-separated-values, 47790 data points
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  • 5
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    Underway physical oceanography and carbon dioxide measurements during Xue Long cruise 76XL20140727 (2018)
    PANGAEA
    In:  Key Laboratory of Global Change and Marine-Atmospheric Chemistry, Third Institute of Oceanography, State Oceanic Administration
    Details
    Publication Date: 2024-02-17
    Keywords: 5th Chinese National Arctic Research Expedition CHINARE2014; 76XL20140727; 76XL20140727-track; Algorithm; CT; DATE/TIME; Depth, bathymetric, interpolated/gridded; DEPTH, water; Distance; extracted from GLOBALVIEW-CO2; extracted from the 2-Minute Gridded Global Relief Data (ETOPO2); extracted from the NCEP/NCAR 40-Year Reanalysis Project; extracted from the World Ocean Atlas 2005; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); LATITUDE; LONGITUDE; Pressure, atmospheric; Pressure, atmospheric, interpolated; Pressure at equilibration; Quality flag; Recomputed after SOCAT (Pfeil et al., 2013); Salinity; Salinity, interpolated; SOCAT; Surface Ocean CO2 Atlas Project; Temperature, water; Temperature at equilibration; Underway cruise track measurements; xCO2 (air), interpolated; xCO2 (water) at equilibrator temperature (dry air); Xue Long
    Type: Dataset
    Format: text/tab-separated-values, 187125 data points
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  • 6
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    Surface Ocean CO2 Atlas (SOCAT) V2 (2014)
    PANGAEA
    In:  Supplement to: Bakker, Dorothee C E; Pfeil, Benjamin; Smith, Karl; Hankin, Steven; Olsen, Are; Alin, Simone R; Cosca, Catherine E; Harasawa, Sumiko; Kozyr, Alexander; Nojiri, Yukihiro; O'Brien, Kevin M; Schuster, Ute; Telszewski, Maciej; Tilbrook, Bronte; Wada, Chisato; Akl, John; Barbero, Leticia; Bates, Nicolas R; Boutin, Jacqueline; Bozec, Yann; Cai, Wei-Jun; Castle, Robert D; Chavez, Francisco P; Chen, Lei; Chierici, Melissa; Currie, Kim I; de Baar, Hein J W; Evans, Wiley; Feely, Richard A; Fransson, Agneta; Gao, Zhongyong; Hales, Burke; Hardman-Mountford, Nicolas J; Hoppema, Mario; Huang, Wei-Jen; Hunt, Christopher W; Huss, Betty; Ichikawa, Tadafumi; Johannessen, Truls; Jones, Elizabeth M; Jones, Steve D; Jutterstrøm, Sara; Kitidis, Vassilis; Körtzinger, Arne; Landschützer, Peter; Lauvset, Siv K; Lefèvre, Nathalie; Manke, Ansley; Mathis, Jeremy T; Merlivat, Liliane; Metzl, Nicolas; Murata, Akihiko; Newberger, Timothy; Omar, Abdirahman M; Ono, Tsuneo; Park, Geun-Ha; Paterson, Kristina; Pierrot, Denis; Ríos, Aida F; Sabine, Christopher L; Saito, Shu; Salisbury, Joe; Sarma, Vedula V S S; Schlitzer, Reiner; Sieger, Rainer; Skjelvan, Ingunn; Steinhoff, Tobias; Sullivan, Kevin; Sun, Heng; Sutton, Adrienne; Suzuki, Toru; Sweeney, Colm; Takahashi, Taro; Tjiputra, Jerry; Tsurushima, Nobuo; van Heuven, Steven; Vandemark, Doug; Vlahos, Penny; Wallace, Douglas WR; Wanninkhof, Rik; Watson, Andrew J (2014): An update to the Surface Ocean CO2 Atlas (SOCAT version 2). Earth System Science Data, 6(1), 69-90, https://doi.org/10.5194/essd-6-69-2014
    Details
    Publication Date: 2024-05-02
    Description: The Surface Ocean CO2 Atlas (SOCAT), an activity of the international marine carbon research community, provides access to synthesis and gridded fCO2 (fugacity of carbon dioxide) products for the surface oceans. Version 2 of SOCAT is an update of the previous release (version 1) with more data (increased from 6.3 million to 10.1 million surface water fCO2 values) and extended data coverage (from 1968-2007 to 1968-2011). The quality control criteria, while identical in both versions, have been applied more strictly in version 2 than in version 1. The SOCAT website (http://www.socat.info/) has links to quality control comments, metadata, individual data set files, and synthesis and gridded data products. Interactive online tools allow visitors to explore the richness of the data. Applications of SOCAT include process studies, quantification of the ocean carbon sink and its spatial, seasonal, year-to-year and longerterm variation, as well as initialisation or validation of ocean carbon models and coupled climate-carbon models.
    Keywords: SOCAT; Surface Ocean CO2 Atlas Project
    Type: Dataset
    Format: application/zip, 2669 datasets
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  • 7
    Electronic Resource
    Electronic Resource
    Photorefractive property and self-pumped phase conjugation of Mn-doped (K0.5Na0.5)0.2(Sr0.75 Ba0.25)0.9Nb2O6 crystal (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 2217-2219 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: High quality Mn-doped (K0.5Na0.5)0.2(Sr0.75 Ba0.25)0.9Nb2O6 crystal was grown and its two-wave mixing and self-pumped phase conjugation properties were studied in detail. The two-wave coupling gain is as high as 37.60 cm−1 and the phase conjugation reflectivity is higher than 40%. It is shown that Mn dopants effectively increase photorefractive property of the crystal, and the possible mechanism is analyzed. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.358806
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  • 8
    Electronic Resource
    Electronic Resource
    Direct nanoimprint of submicron organic light-emitting structures (1999)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 75 (1999), S. 2767-2769 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have demonstrated a method to directly pattern organic light-emitting structures with a submicron resolution without any degradation in optical properties. Both small molecules and polymer-based light-emitting structures were patterned by nanoimprint at 150 °C in a vacuum. The comparison of luminescence efficiency before and after patterning shows that nanoimprint did not cause degradation in the optical property of the materials. Nanoimprint offers a low-cost, high-throughput, high-resolution patterning technique that opens a way for realizing novel photonic devices based on organic light-emitting materials. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.125143
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  • 9
    Electronic Resource
    Electronic Resource
    Direct three-dimensional patterning using nanoimprint lithography (2001)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 78 (2001), S. 3322-3324 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We demonstrated that nanoimprint lithography (NIL) can create three-dimensional patterns, sub-40 nm T-gates, and air-bridge structures, in a single step imprint in polymer and metal by lift-off. A method based on electron beam lithography and reactive ion etching was developed to fabricate NIL molds with three-dimensional protrusions. The low-cost and high-throughput nanoimprint lithography for three-dimensional nanostructures has many significant applications such as monolithic microwave integrated circuits and nanoelectromechanical system. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1375006
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  • 10
    Electronic Resource
    Electronic Resource
    Molecular alignment in submicron patterned polymer matrix using nanoimprint lithography (2000)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 77 (2000), S. 166-168 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We report a promising approach to align molecules in a polymer film patterned by nanoimprint lithography. We found that molecules and chromophores are spontaneously aligned in the plane of the film during the nanopatterning process. Since the polymer–chromophore (called guest–host) system plays an important role in the field of nonlinear optics and organic optoelectronics, in this letter we present a technique to combine the high-resolution patterning capability of nanoimprint lithography with the ability to control molecule and chromophore orientation. It opens up a way to realize new molecular electronic and optoelectronic devices. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.126912
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