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  • The research hypothesis is that clayish and muddish material collected at open pit mine in Cerro Matoso Ni-laterite deposit, correspond to marine sediments associated at hydrothermal systems instead of clays formed by the peridotite weathering. The data shows depleted δ13C and δ18O values in bulk sediments and carbonates that composed a succession of claystone and mudstone overlaying peridotites, sign a reducing environment with the influence of alkaline pH, and bacterial activity. The fractionation factor following the Zhang et al. (2001) equation, indicate in different set of samples precipitation temperatures over 50ºC and reaching 160ºC which fit with a hydrothermal activity instead of supergene groundwaters during the mineral precipitation. Different modeling of δ13C show the reacted fraction assuming FeCO3 and CH4 as products 1 and 2 respectively, in a H2S pool, and will confirm an environment rich in CH4 for the siderite formation.Isotopic analysis of siderite was accomplished by reacting a subsample (10–48 mg dry weight) with 100% phosphoric acid in a Pyrex vessel at 75°C. Reaction was terminated after 2 days, at which time CO2 was no longer produced, and the reaction was considered completed. The evolved CO2 was used for calculation of siderite abundance in the subsample and for analysis of oxygen and carbon isotope compositions. Isotope measurements were carried out at the Stable Isotope Laboratory of the Estación Experimental del Zaidín (CSIC, Granada, Spain). Isotopic ratios were measured by a Finnigan MAT 251 mass spectrometer. To interpret dataset the calculation was done first for all isotope results, and then grouping the data δ13C or δ18O, according to the lithofacies to which they correspond: mound facies or tabular bed facies, the later correspond to metalliferous sediments. Data are formulated, so it is possible to change the constant KIE, delta 2 or delta 1 to see how is the graphs changes. Graphs also are linked with data. For δ18O fractionation factor all data are formulated to obtain δ18O and T in Kelvin degrees in the first table and the according with their affinity (siderite, clasystone or metalliferous) in tables below.
    Data Types:
    • Tabular Data
    • Dataset
  • Dataset for research study "Gender Stereotypes in Impression Formation." Participants were randomly assigned to one of three conditions: stereotype-contradicting, stereotype-confirming, and neutral. All groups completed a mental imagery task that either contradicted, confirmed, or was neutral to gender stereotypes about physicians. The participants then completed a first impressions task, in which they chose between headshots of a man and a woman and decided who was most likely to be the physician. Participants’ judgements and response latency were recorded. Comparisons were made between the responses and response latency both across age and within the conditions across groups, as well as overall responses and response latency among the three groups. In addition, the descriptive data from the mental imagery task were analyzed.
    Data Types:
    • Tabular Data
    • Dataset
  • Data from a Colombian research in 2018.
    Data Types:
    • Tabular Data
    • Dataset
  • We present new geochronological, whole-rock geochemical data, and zircon Hf isotopic data from middle Permian to Middle Jurassic igneous rocks that occur near the Changchun-Yanji Suture in the area of Jilin city. These new data can (1) constrain the timing of magmatism and elucidate the spatio-temporal distribution of magmatism; (2) characterize the petrogenesis of the igneous rocks and their possible sources; and (3) provide new insights into the tectonic setting during magmatism. Together with geological evidence from this area allow us to better understand the transition in the tectonic regime during the Late Paleozoic and Mesozoic. Based on zircon U–Pb ages and geochemical data, the following conclusions are drawn. 1. Middle Permian to Middle Jurassic igneous rocks in the area of Jilin were emplaced during four major phases, at ca. 261 Ma, 253–244 Ma, 183–175 Ma, and 173–164 Ma. 2. The earliest phase of magmatism, at ca. 261 Ma, was generated in an active continental margin by partial melting of juvenile mafic lower crustal material. Magmatism at 253–244 Ma was generated in a continental arc environment by partial melting of juvenile mafic subducted oceanic crust. At 183–175 Ma, monzogranitic and dioritic magmas were generated in a continental arc environment via melting of juvenile lower continental crust and mixing of basaltic magma with crustal melt, respectively. The final stage of magmatism, at 173–164 Ma, formed in an active continental margin, generated by melting of juvenile lower continental crust. 3. Integrated evidence suggests that the closure of the Paleo-Asian Ocean could occur at 244–227 Ma, whereas the timing of tectonic regime transition from the influence of Paleo-Asian Ocean subduction to the subduction of the Paleo-Pacific Ocean occurred between Late Triassic and Early Jurassic (223–185 Ma). 4. The Changchun-Yanji Suture experienced multiple tectonic mode switches from Late Paleozoic to Mesozoic, and was controlled by subduction of the Paleo-Pacific Ocean since Early Jurassic.
    Data Types:
    • Dataset
    • Document
  • This dataset contains significant data analysis products related to a manuscript entitled, “A Multiannual Record of Gravity Wave Activity in Mars's Lower Atmosphere from the Mars Climate Sounder,” which was published as: Heavens, N.G., D.M. Kass, A. Kleinböhl, and J.T. Schofield, 2020, A Multiannual Record of Gravity Wave Activity in Mars's Lower Atmosphere from On-Planet Observations by the Mars Climate Sounder, Icarus, 341, 113630, doi: 10.1016/j.icarus.2020.113630. These fall into three broad categories: diagnoses of detrended brightness temperature variance at 635-665 cm-1 in individual views in the nadir or off-nadir by Mars Climate Sounder on board Mars Reconnaissance Orbiter; averages and other statistics of those diagnoses in space and time; and estimated gravity wave visibility functions for nadir, off-nadir, and nadir views with baselines like off-nadir views. This document presumes the manuscript is available to the dataset user. See MCS_A3_GW_Analysis_Dataset_Documentation.pdf for more detailed documentation.
    Data Types:
    • Software/Code
    • Dataset
    • Document
  • SPSS Dataset
    Data Types:
    • Software/Code
    • Dataset
  • This file contains retrospective data collected from a single centre. Patients with a diagnosis of Rasmussen's encephalitis were included if they fulfilled the European consensus criteria (2005, Bien et al). Clinical data included age at onset, presentation, seizure characteristics, treatment details and Engel Score outcome. MRI data was generated by visual assessment of MRI characteristics. The research questions were: 1) Does macroscopic extent of radiological pathology and expedited Radiological Stage progression associate with a younger age at onset? 2) Are specific patterns of preferential sparing or involvement present within the hemisphere? 3) If present, Is there a pathophysiological link between anatomical patterns and the age peculiarities ?
    Data Types:
    • Software/Code
    • Dataset
  • The file refers to the paper “Corporate Governance: a major factor in shareholder activism in Brazil ", published by RAC-Revista de Administração Contemporânea. Financial data were extracted from Economatic database at Coppead Graduate School of Business – Universidade Federal do Rio de Janeiro in 2018.
    Data Types:
    • Tabular Data
    • Dataset
  • Bulk geochemical data for paleosol profiles sampled in the Mandla Subprovince of central India, surrounding Nagpur. Collected in February-March 2017.
    Data Types:
    • Tabular Data
    • Dataset
  • Raman spectroscopy can effectively analyze submicron- to microsized microplastics, but Raman spectra of weathered microplastics vary and are often affected by fluorescence. A Raman database of weathered microplastics (RDWP) is necessary for accurately identifying microplastics in various environments. We used Raman spectra of weathered microplastics from sediments around waste plastics processing and recycling industries in Laizhou City, Shandong Province, to build the RDWP.  This dataset contains 20 Raman spectra of standard samples and 155 Raman spectra of weathered microplastics. 135 Raman spectra of weathered microplastics can be identified. Among these 135 Raman Spectra, we selected 124 spectra with distinct peaks to build the Raman database of weathered microplastics (RDWP). The KnowItAll Informatics System 2018 (Bio-Rad Laboratories) was used to analyze the Raman spectra. The software can perform spectral searches, spectral identification, functional group analysis, etc., and has spectral data management, allowing users to build spectral databases by themselves. First, the spectra of the standards are built as a Raman Database of Standard Microplastics (RDSP) separately in KnowItAll. Then, the RDSP is used as one of the searched databases, and the spectra of weathered microplastics are matched and identified. Finally, the spectra of weathered microplastics are built as the Raman database of weathered microplastics (RDWP).
    Data Types:
    • Other
    • Tabular Data
    • Dataset
    • Text
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