Mineralogical, geochemical and magnetic susceptibility data from a deep hydrothermally altered profile in a semi-arid region (Chilean Coastal Cordillera)

Description: This data publication contains mineralogical, geochemical and magnetic susceptibility data of an 87.2 m deep profile of hydrothermally altered plutonic rock in a semi-arid region of the Chilean Coastal Cordillera (Santa Gracia). The profile was recovered during a drilling campaign (March and April 2019) as part of the German Science Foundation (DFG) priority research program SPP-1803 “EarthShape: Earth Surface Shaping by Biota” which aims at understanding weathering of plutonic rock in dependency on different climatic conditions. The goal of the drilling campaign was to recover the entire weathering profile spanning from the surface to the weathering front and to investigate the weathering processes at depth. To this end, we used rock samples obtained by drilling and soil/saprolite samples from a manually dug 2 m deep soil pit next to the borehole. To elucidate the role of iron-bearing minerals for the weathering, we measured the magnetic susceptibility, determined the mineral content and analysed the geochemistry as well as the composition of Fe-bearing minerals (Mössbauer spectroscopy) in selected samples.

Global identifier:

Doi(
    "10.5880/fidgeo.2021.037",
)

Origins: /Wissenschaft/Helmholtz-Gemeinschaft/GFZ

Tags: Chile ? Geologischer Prozess ? Tiefbohrung ? Bodenprobe ? Daten ? Trockengebiet ? Erdoberfläche ? Forschungsprogramm ? The Present ? Critical Zone ? In Situ Land-based Platforms > FIELD SURVEYS ? In Situ Land-based Platforms > LABORATORY ? In Situ/Laboratory Instruments > Probes > ELECTRON MICROPROBES ? In Situ/Laboratory Instruments > Spectrometers/Radiometers > XRF ? Phanerozoic ? Private Reserve Santa Gracia ? Coastal Cordillera ? chemical process > chemical reaction > oxidation ? compound material > igneous material > igneous rock > intermediate composition igneous rock > dioritoid > monzodioritic rock > quartz monzodiorite ? deep weathering ? environment > natural environment > terrestrial environment ? hydrothermal alteration ? industrial process > drilling ? iron-bearing silicates ? lithosphere > mineral ? pedosphere > soil > soil profile > mineral matter ? tectonic fracturing ? EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > WEATHERING ? EARTH SCIENCE > SOLID EARTH > GEOCHEMISTRY ? EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > BEDROCK LITHOLOGY ? EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > IGNEOUS ROCKS ? EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > IGNEOUS ROCKS > IGNEOUS ROCK PHYSICAL/OPTICAL PROPERTIES ? EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > MINERALS ? EarthShape ? In Situ Land-based Platforms > FIELD INVESTIGATION ?

License: cc-by/4.0

Language: Englisch/English

Organisations

• GFZ Data Services (Herausgeber*in)

Issued: 2021-01-01

Time ranges: 2021-01-01 - 2021-01-01

Status

Aktiv

Quality score

• Overall: 0.50
• Findability: 0.43

  • Title: 0.01
  • Description: 0.31
  • Identifier: true
  • Keywords: 0.23
  • Spatial: NoRegion (0.00)
  • Temporal: true
• Accessibility: 0.67

  • Landing page: Specific (1.00)
  • Direct access: false
  • Publicly accessible: true
• Interoperability: 0.25

  • Open file format: false
  • Media type: false
  • Machine-readable metadata: true
  • Machine-readable data: false
• Reusability: 0.67

  • License: ClearlySpecifiedAndFree (1.00)
  • Contact info: false
  • Publisher info: true

Accessed 1 times.