Book Chapter10.1029/GM077P0233
Geochemistry and Age of the Ontong Java Plateau
John J. Mahoney,Michael Storey,Robert A. Duncan,K.J. Spencer,Malcolm S. Pringle +4 more
- 18 Mar 2013
- Vol. 77, pp 233-261
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About: The article was published on 18 Mar 2013. The article focuses on the topics: Plateau.
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Citations
Geochemical fingerprinting of oceanic basalts with applications to ophiolite classification and the search for Archean oceanic crust
TL;DR: Two geochemical proxies are particularly important for the identification and classification of oceanic basalts: the Th-Nb proxy for crustal input and hence for demonstrating an oceanic, non-subduction setting; and the Ti-Yb proxy, for melting depth and hence indicating mantle temperature and thickness of the conductive lithosphere as mentioned in this paper.
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Large igneous provinces: crustal structure, dimensions, and external consequences
Millard F. Coffin,Olav Eldholm +1 more
TL;DR: In this article, the authors compile all known in situ LIPs younger than 250 Ma and analyze dimensions, crustal structures, ages, and emplacement rates of representatives of the three major LIP categories: Ontong Java and Kerguelen-Broken Ridge oceanic plateaus, North Atlantic volcanic passive margins, and Deccan and Columbia River continental flood basalts Crustal thickness ranges from 20 to 40 km, and the lower crust is characterized by high (70-76 km s?1) compressional wave velocities.
Oceanic anoxic events and plankton evolution: Biotic response to tectonic forcing during the mid-Cretaceous
TL;DR: In this paper, the authors investigated the link between submarine volcanism, plankton evolution, and the cycling of carbon through the marine biosphere, and concluded that there were important linkages between submarine volcano activity and marine productivity.
Overview of the genesis and emplacement of Mesozoic ophiolites in the Eastern Mediterranean Tethyan region
TL;DR: The Eastern Mediterranean region exhibits a fascinating diversity of ophiolites and related oceanic magmatic units of mainly Triassic, Jurassic and Cretaceous age as discussed by the authors, and the widespread occurrence of andesitic extrusives, chemically depleted basalts and highly magnesian lavas (boninites), favour formation of most of the large, relatively intact ophiolaites in the Eastern Mediterranean regions above subduction zones rather than at mid-ocean ridges (MORs).
619
The timing and duration of the Karoo igneous event, southern Gondwana
TL;DR: In the early Jurassic period, a volcanic event of immense scale occurred within a relatively short period in early Jurassic time over large regions of the contiguous Gondwana supercontinent as mentioned in this paper.
References
The crustal structure of the Ontong Java and Manihiki oceanic plateaus
TL;DR: In this paper, the authors show that the crustal layers of the Ontong Java Plateau and the Manihiki High Plateau are 5.0 and 3.1 times thicker than ocean basin crust, respectively.
130
Structure and acoustic stratigraphy of the Manihiki Plateau
TL;DR: The Manihiki Plateau is a large, shallow area of old oceanic crust near the southwest margin of the Pacific Plate as mentioned in this paper, and it has been shown to have a major, sometimes angular, early Tertiary unconformity, and that the plateau has always been relatively shallow.
120
Seismic studies on the Ontong Java Plateau, 1970☆
TL;DR: In this article, the Ontong Java Plateau in the southwestern Pacific Ocean during 1970 using two ships was studied using seismic refraction surveys and it was found that the crustal thickness of the plateau ranges from 35 to 42 km.
117
Isotopic constraints on the origin of Hawaiian lavas from the Maui Volcanic Complex, Hawaii
TL;DR: Strontium, neodymium and lead isotopic data for samples from five volcanoes of the Maui Volcanic Complex, Hawaii, span nearly the total compositional range previously recognized for the Hawaiian islands.
106