Nicolaysen, Kirsten P; Bowring, Samuel A; Frey, Frederick A; Weis, Dominique A M; Ingle, Stephanie; Pringle, Malcolm S; Coffin, Millard F (2001): (Table 1) U-Pb isotopic results of single-grain zircon and monazite analyses, ODP Hole 183-1137A, Elan Bank [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.723896, Supplement to: Nicolaysen, KP et al. (2001): Provenance of Proterozoic garnet-biotite gneiss recovered from Elan Bank, Kerguelen Plateau, southern Indian Ocean. Geology, 29(3), 235-238, https://doi.org/10.1130/0091-7613(2001)029%3C0235:POPGBG%3E2.0.CO;2
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Published: 2001 (exact date unknown) • DOI registered: 2009-08-06
Abstract:
At Elan Bank of the Kerguelen Plateau in the southeast Indian Ocean, Leg 183 of the Ocean Drilling Program recovered clasts of garnet-biotite gneiss in a fluvial conglomerate intercalated with basalt flows. U-Pb and Pb-Pb dates of zircons and monazites in these clasts and an overlying sandstone range from 534 to 2547 Ma, which is much older than the surrounding Indian Ocean seafloor. These dates show that old continental crust resides in the shallow crust of the oceanic Kerguelen Plateau and that the breakup of Gondwana dispersed continental fragments into the nascent Indian Ocean lithosphere.
Other version:
U-Pb isotopic results of single-grain zircon and monazite analyses from ODP Hole 183-1137A, Elan Bank [dataset]. ftp://rock.geosociety.org/pub/reposit/2001/2001024.pdf
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: -56.833050 * Longitude: 68.093450
Date/Time Start: 1998-12-31T21:00:00 * Date/Time End: 1999-01-06T16:40:00
Minimum DEPTH, sediment/rock: 288.990 m * Maximum DEPTH, sediment/rock: 305.265 m
Event(s):
183-1137A * Latitude: -56.833050 * Longitude: 68.093450 * Date/Time Start: 1998-12-31T21:00:00 * Date/Time End: 1999-01-06T16:40:00 * Elevation: -1004.5 m * Penetration: 371.2 m * Recovery: 219.38 m * Location: Indian Ocean * Campaign: Leg183 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 46 cores; 371.2 m cored; 0 m drilled; 59.1 % recovery
Comment:
All fractions consisted of single crystals or fragments of crystals; z = zircon, m = monazite.
Parameter(s):
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
345 data points