publication . Article . 2007

Stylolites, porosity, depositional texture, and silicates in chalk facies sediments: Ontong Java Plateau - Gorm and Tyra fields, North Sea

Fabricius, Ida Lykke; Borre, Mai K.;
Open Access
  • Published: 01 Jan 2007 Journal: Sedimentology, volume 54, pages 183-205 (issn: 0037-0746, eissn: 1365-3091, Copyright policy)
  • Publisher: Wiley
  • Country: Denmark
Abstract
Comparison of chalk on the Ontong Java Plateau and chalk in the Central North Sea indicates that, whereas pressure dissolution is controlled by effective burial stress, pore-filling cementation is controlled by temperature. Effective burial stress is caused by the weight of all overlying water and sediments as counteracted by the pressure in the pore fluid, so the regional overpressure in the Central North Sea is one reason why the two localities have different relationships between temperature and effective burial stress. In the chalk of the Ontong Java Plateau the onset of calcite-silicate pressure dissolution around 490 m below sea floor (bsf) corresponds to ...
Subjects
free text keywords: Stratigraphy, Geology, Quartz, Geochemistry, Sedimentary depositional environment, Calcite, chemistry.chemical_compound, chemistry, Plateau, geography.geographical_feature_category, geography, Cementation (geology), Geomorphology, Stylolite, Diagenesis, Facies
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publication . Article . 2007

Stylolites, porosity, depositional texture, and silicates in chalk facies sediments: Ontong Java Plateau - Gorm and Tyra fields, North Sea

Fabricius, Ida Lykke; Borre, Mai K.;