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Fabricius, Ida L (2000): Compaction curves and sediment characteristics of ODP Leg 165 and Leg 130 sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.803382, Supplement to: Fabricius, IL (2000): Interpretation of burial history and rebound from loading experiments and occurrence of microstylolites in mixed sediments of Caribbean Sites 999 and 1001. In: Leckie, RM; Sigurdsson, H; Acton, GD; Draper, G (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 165, 1-14, https://doi.org/10.2973/odp.proc.sr.165.006.2000

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Published: 2000 (exact date unknown) • DOI registered: 2013-01-01

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Abstract:
Compaction curves for 11 samples from the mixed sediments and calcareous chalk with clay from the Caribbean Sites 999 and 1001 are discussed with reference to compaction curves for calcareous ooze and chalk of the Ontong Java Plateau (Leg 130). The burial history is discussed from preconsolidation data and present burial conditions and suggests a removal of ~400 m of sediment at the hiatus 166 meters below seafloor (mbsf) at Site 1001. This interpretation predicts a previous burial to >500 mbsf for depth intervals containing microstylolites, which corresponds to observations at Sites 999 and 807 (Ontong Java Plateau). Thus, data from three sites from two widely separate regions indicate that microstylolites in carbonates form at minimum burial depths deeper than 500 m. No direct link between formation of microstylolites and cementation was found, suggesting that dissolution and precipitation are not necessarily related. Porosity rebound during core retrieval could not be detected for soft sediments, whereas a porosity rebound of ~2% was deduced for deeper, cemented intervals.
Comparing the compaction curves, two distinct rates of porosity loss are noted: (1) samples dominated by clay (>45% insoluble residue) compact at a higher rate than samples dominated by fine-grained carbonate and (2) fine-grained carbonate supported samples (with <45% insoluble residue) compact at the same rate irrespective of the content of nonsupporting microfossils or pore-filling clay.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 11.664795 * Median Longitude: -108.366685 * South-bound Latitude: 3.606000 * West-bound Longitude: 156.625000 * North-bound Latitude: 15.757100 * East-bound Longitude: -74.910400
Date/Time Start: 1990-02-26T16:08:00 * Date/Time End: 1996-02-15T19:45:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Fabricius, IL (2000): (Table 4) Specific surface area and grain size distribution of sediments from ODP Leg 130 sites. https://doi.org/10.1594/PANGAEA.803380
  2. Fabricius, IL (2000): (Table 2) Stress, strain and porosity during compaction experiments on sediments from ODP Leg 165 sites. https://doi.org/10.1594/PANGAEA.803378
  3. Fabricius, IL (2000): (Table 1) Lithologic description of sediments and thin sections from ODP Leg 165 sites. https://doi.org/10.1594/PANGAEA.803386
  4. Fabricius, IL (2000): (Table 3) Physical characteristics of sediments from ODP Leg 165 sites. https://doi.org/10.1594/PANGAEA.803379