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Bibliographic Details
Main Authors: Böttcher, Michael Ernst, Brumsack, Hans-Jürgen
Format: Dataset Open Access
Language:en
Published: PANGAEA 2026
Subjects:
207-1260A; 207-1260B; Acid volatile sulfides; black shale; Chromium reducible sulfur; Date/Time of event; deep biosphere; Demerara Rise; Depth, composite; DRILL; Drilling/drill rig; Elemental Analyser, Fison; Event label; International Ocean Drilling Programme; IODP3; Iron, dithionite extractable; Iron, hydrochloric acid soluble; iron content; iron species; Joides Resolution; Latitude of event; Leg207; Longitude of event; North Atlantic Ocean; ODP 207; organic sulfur; Sample code/label; Spectrophotometric method; Spectrophotometry after room temperature 0.5 M HCl extraction; Spectrophotometry after room temperature dithionite extraction; Sulfur, organic; Sulfur, total reduced inorganic; sulfur content; Sulfur species; Unit
Online Access:https://doi.org/10.1594/PANGAEA.993270
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Table of Contents:
  • The iron and sulfur geochemistry was investigated on squeeze cake samples retrieved from deep biosphere sediments during ODP Leg, Demerara Rise, southern North Atlantic. Vertical profiles from 5 sites were analyzed using different chemical extraction methods followed by spectrophotometric geochemical analyses and organic sulfur using elemental analysis, to understand the carbon-iron-sulfur interactions during and black shale formation and upon diagenesis in the times after.

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