Major and trace element analyses of ODP Leg 120 volcanic rocks (Table 1) ...

• Main Authors: Storey, Michael, Kent, R W, Saunders, Andrew D, Salters, Vincent J M, Hergt, Janet M, Whitechurch, Hubert, Sevigny, James H, Thirlwall, Matthew F, Leat, Philip, Ghose, N C, Gifford, M
• Format: Dataset
• Language: English
• Published: PANGAEA 1992
• Subjects: Event label; Sample code/label; Silicon dioxide; Titanium dioxide; Aluminium oxide; Iron oxide, Fe2O3; Manganese oxide; Magnesium oxide; Calcium oxide; Sodium oxide; Potassium oxide; Phosphorus pentoxide; Elements, total; Loss on ignition; Quartz; Corundum; Orthoclase; Albite; Anorthite; Nepheline; Diopside; Hypersthene; Olivine; Montmorillonite; Ilmenite; Apatite; Niobium; Zirconium; Yttrium; Strontium; Rubidium; Gallium; Zinc; Nickel; Vanadium; Chromium; Barium; Lanthanum; Cerium; Neodymium; Samarium; Europium; Terbium; Ytterbium; Lutetium; Tantalum; Hafnium; Thorium; Tungsten; Scandium; Antarc*; Antarctic; Prince Charles Mountains
• Online Access: https://dx.doi.org/10.1594/pangaea.759908; https://doi.pangaea.de/10.1594/PANGAEA.759908

Widespread Lower Cretaceous magmatism occurred along the Indian-Australian/Antarctic margins, and in the juvenile Indian Ocean, during the rifting of eastern Gondwana. The formation of this magmatic province probably began around 120-130 Ma with the eruption of basalts on the Naturaliste Plateau and at Bunbury, western Australia. On the northeast margin of India, activity began around 117 Ma with the Rajmahal continental basalts and associated lamprophyre intrusions. The formation of the Kerguelen Plateau in the Indian Ocean began no later than 114 Ma. Ultramafic lamprophyres (alnoites) were emplaced in the Prince Charles Mountains near the Antarctic continental margin at ~ 110 Ma. These events are considered to be related to a major mantle plume, the remnant of which is situated beneath the region of Kerguelen and Heard islands at the present day.Geochemical data are presented for each of these volcanic suites and are indicative of complex interactions between asthenosphere-derived magmas and the ... : Supplement to: Storey, Michael; Kent, R W; Saunders, Andrew D; Salters, Vincent J M; Hergt, Janet M; Whitechurch, Hubert; Sevigny, James H; Thirlwall, Matthew F; Leat, Philip; Ghose, N C; Gifford, M (1992): Lower Cretaceous volcanic rocks on continental margins and their relationship to the Kerguelen Plateau. In: Wise, SW; Schlich, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 120, 33-53 ...