January 28, 2021 Dataset Closed Access

De La Rosa, Roberto; Aldana, Milagrosa; Costanzo-Alvarez, Vincenzo; Yepez, Santiago; Amon, Cristina

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    "title": "Data for: The surface expression of hydrocarbon seeps characterized by satellite image spectral analysis and rock magnetic data (Falcon basin, western Venezuela)", 
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      {
        "affiliation": "FWGE-HIF", 
        "orcid": "0000-0002-3004-7104", 
        "name": "De La Rosa, Roberto"
      }, 
      {
        "affiliation": "Departamento de Ciencias de la Tierra, Universidad Sim\u00f3n Bol\u00edvar, Caracas, Venezuela", 
        "name": "Aldana, Milagrosa"
      }, 
      {
        "affiliation": "Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Canada", 
        "name": "Costanzo-Alvarez, Vincenzo"
      }, 
      {
        "affiliation": "Departamento de Manejo de Bosques y Medio Ambiente, Universidad de Concepci\u00f3n, Concepci\u00f3n, Chile", 
        "name": "Yepez, Santiago"
      }, 
      {
        "affiliation": "Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Canada", 
        "name": "Amon, Cristina"
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    "publication_date": "2021-01-28", 
    "pub_id": "32253", 
    "keywords": [
      "Satellite remote sensing", 
      "Spectral images", 
      "Spectral signature", 
      "Hydrocarbon seeps", 
      "Hydrocarbon- induced diagenesis", 
      "Rock magnetism", 
      "Weathered sequence", 
      "Two-Step Cluster Analysis"
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    "description": "<p>This work integrates satellite image spectral analyses with rock magnetic and geochemical data (i.e., mass-specific magnetic susceptibility &chi;, saturation isothermal remanent magnetization SIRM, analysis of SIRM acquisition curves, absorption spectro-radiometry, and X-ray diffraction analyses). The target area was an oil-prospective region in northwestern Venezuela (Falcon Basin) swarmed by hydrocarbon seeps. The study&#39;s main goal was to depict the spatial extension and vertical reach of the hydrocarbon-mediated alteration produced by these seeps and gain some knowledge about the processes involved in the subsequent mineral changes.</p>\n\n<p>The dataset is composed of spreadsheets, compressing field samples data including their locations. Also, a database is presented with data from profiles extracted from the results of multispectral image processing and laboratory data of rock magnetism.&nbsp;</p>", 
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