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Artamonov, Andrey V; Zolotarev, Boris P (2003): Chemical composition of basalts from ODP holes at the Kerguelen Plateau [dataset publication series]. Geological Institute, Russian Academy of Sciences, Moscow, PANGAEA, https://doi.org/10.1594/PANGAEA.783459, Supplement to: Artamonov, AV; Zolotarev, BP (2003): Volcanism of the Kerguelen Plateau (Indian Ocean): composition, evolution, and sources. Translated from Litologiya i Poleznye Iskopaemye, 2003, 4, 425-448, Lithology and Mineral Resources, 38(4), 361-382, https://doi.org/10.1023/A:1024615830703

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Abstract:
Petrographic and geochemical study of basalts in the Kerguelen Plateau basement revealed changes in composition and character of volcanism during development of this tectonovolcanic structure. The Kerguelen Plateau is one of the largest intraplate rises in the World Ocean. It started to form about 120 Ma ago. Age of basalts and overlying sediments shows that plateau formation was in the northwest direction. Basalts of the Kerguelen Plateau basement are products of tholeiitic melts in terms of geochemistry, but differ from mid-ocean ridge basalt (MORB). They are enriched in incompatible trace elements and rare earth elements (REE) relative to MORB, and degree of enrichment varies in basalts from different segments of the plateau. Composition of basalts does not directly depend on their age. Specific features of plateau magmatism are commonly explained in terms of a long-living deep magma plume, which variously interacted with a depleted upper mantle source at different stages of plateau formation. However, taking into account block morphology and deep structure of the plateau, one can suggest that plateau volcanism was initiated by a large fault. As the volcanism prograded to the northwest, depth of fault penetration into the mantle changed. Composition of basalts in the plateau basement was also governed by formation depth of primary melts.
Project(s):
Archive of Ocean Data (ARCOD)
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -54.224816 * Median Longitude: 74.837758 * South-bound Latitude: -59.651630 * West-bound Longitude: 68.093450 * North-bound Latitude: -46.276650 * East-bound Longitude: 84.834830
Date/Time Start: 1988-03-09T06:45:00 * Date/Time End: 1999-01-31T06:15:00
Event(s):
120-747C * Latitude: -54.811000 * Longitude: 76.794000 * Date/Time Start: 1988-03-09T06:45:00 * Date/Time End: 1988-03-12T17:00:00 * Elevation: -1706.0 m * Penetration: 350.5 m * Recovery: 49.5 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg120 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 16 cores; 144.5 m cored; 0 m drilled; 34.3 % recovery
183-1136A * Latitude: -59.651630 * Longitude: 84.834830 * Date/Time Start: 1998-12-27T05:30:00 * Date/Time End: 1998-12-29T11:30:00 * Elevation: -1930.6 m * Penetration: 161.4 m * Recovery: 72.55 m * Location: Indian Ocean * Campaign: Leg183 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 19 cores; 161.4 m cored; 0 m drilled; 45 % recovery
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
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
5 datasets

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Datasets listed in this publication series

  1. Artamonov, AV; Zolotarev, BP (2003): (Table 1) Contents of major rock-forming elements, trace elements, and rare earth elements in basalts from ODP Hole 120-747C. https://doi.org/10.1594/PANGAEA.783443
  2. Artamonov, AV; Zolotarev, BP (2003): (Table 2) Contents of major rock-forming elements, trace elements, and rare earth elements in basalts from ODP Hole 183-1136A. https://doi.org/10.1594/PANGAEA.783455
  3. Artamonov, AV; Zolotarev, BP (2003): (Table 3) Contents of major rock-forming elements, trace elements, and rare earth elements in basalts from ODP Hole 183-1137A. https://doi.org/10.1594/PANGAEA.783456
  4. Artamonov, AV; Zolotarev, BP (2003): (Table 4) Contents of major rock-forming elements, trace elements, and rare earth elements in basalts from ODP Hole 183-1138A. https://doi.org/10.1594/PANGAEA.783457
  5. Artamonov, AV; Zolotarev, BP (2003): (Table 5) Contents of major rock-forming elements, trace elements, and rare earth elements in basalts from ODP Hole 183-1140A. https://doi.org/10.1594/PANGAEA.783458