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Lavelle, Mark (1998): Age determination with strontium isotopes on sediment core CRP-1 from the Ross Sea, Antarctica. PANGAEA,, Supplement to: Lavelle, M (1998): Strontium isotope stratigraphy of the CRP-1 drillhole, Ross Sea, Antarctica. Terra Antartica, 5(3), 691-696, hdl:10013/epic.28323.d001

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Strontium isotope stratigraphy was used to date five discrete horizons within CRP-1. Early and late Quaternary (0.87-1.3 Ma and 0-0.67 Ma respectively) age sediments overlie a major sequence boundary at 43.15 meters below sea floor (mbsf). This hiatus is estimated to account for ~16 m.y. of missing section. Early Miocene (16.6-~20.8-25 Ma) age deposits below this boundary are in turn cut by multiple erosion surface representing hiatus is of between 0.2 and 1.2 m.y. Estimated minimum sedimentation rates range between 0.9 and 2.8 cm/k.y. in the Quaternary, and 1.5 and 6.4 cm/ky in the lower Miocene.
Latitude: -77.007580 * Longitude: 163.755080
Date/Time Start: 1997-10-17T01:30:00 * Date/Time End: 1997-10-24T02:00:00
CRP-1 (16 km ENE Cape Roberts) * Latitude: -77.007580 * Longitude: 163.755080 * Date/Time Start: 1997-10-17T01:30:00 * Date/Time End: 1997-10-24T02:00:00 * Elevation: -153.5 m * Penetration: 132.06 m * Recovery: 113.32 m * Location: off Cape Roberts, Ross Sea, Antarctica * Campaign: CRP-1 * Basis: Sampling/drilling ice * Method/Device: Core wireline system (CWS) * Comment: sea ice thickness: 1.60 m, recovery 86 %. Age and lithology of oldest strata: 22-24 Ma; mudstone with scattered pebbles.
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Datasets listed in this publication series

  1. Lavelle, M (1998): (Table 1) Strontium isotope data for marine carbonates of sediment core CRP-1.
  2. Lavelle, M (1998): (Table 2) Strontium isotope stratigraphy of sediment core CRP-1.
  3. Lavelle, M (1998): (Table 3) Age model of sediment core CRP-1.