publication . Thesis . 2009

The Origin and Petrogenesis of the Ethiopian Flood Basalts

Davies, Marc Kerry;
Open Access English
  • Published: 01 Jan 2009
Abstract
The volcanic rocks of the Afro-Arabian volcanic province chart the nature and evolution of the mantle plume source responsible for a major continental flood basalt event and the manner in which it interacted with the lithosphere over the course of continental separation. The flood basalts of the Ethiopian Plateau constitute the larger part of this province and are associated with melting in the head of the Afar Plume. High-Ti picrites from the eastern part of the NW Plateau are among the earliest uncontaminated outpourings of flood volcanism; their compositions are therefore considered to be close to that of the primary melt. These are exposed in a stratigraphic...
44 references, page 1 of 3

Mohr, P. (1987), Patterns of faulting in the Ethiopian Rift Valley, Tectonophysics, 143(1-3), 169-179.

Mohr, P. A, and B. Zanettin (1988), The Ethiopian flood basalt province, in Continental flood basalts, edited by J. D. Macdougall, Kluwer Academic, Dordrecht. [OpenAIRE]

Momme, P., and J. R. Wilson (2002), The Kraemer Island macrodyke, East Greenland: solidification of a flood basalt conduit, Geological Magazine, 139(2), 171- 190. [OpenAIRE]

Montagner, J. P. (2000), Seismic plume detection in Africa at different scales, paper presented at Penrose Conference: Volcanic Rifted Margins, Geological Society of America, Royal Holloway, University of London.

Montagner, J. P., et al. (2007), Mantle upwellings and convective instabilities revealed by seismic tomography and helium isotope geochemistry beneath eastern Africa, Geophysical Research Letters, 34(21). [OpenAIRE]

Montelli, R., et al. (2004), Finite-Frequency Tomography Reveals a Variety of Plumes in the Mantle, Science, 303(5656), 338-343.

Morbidelli, L., et al. (1975), Ethiopian southern plateau and related escarpment: K1Ar ages of the main volcanic events (Main Ethiopian Rift from 8°10' to 9°.00' lat. north, in Afar depression of Ethiopia, edited by A Pilger and A Rosier, pp. 362-369, Schweizerbart, Stuttgart.

Moreira, M., et al. (1996), Rare gas systematics in Red Sea ridge basalts, Geophysical Research Letters, 23(18), 2453-2456.

Moreira, M., et al. (1998), Rare gas systematics in popping rock: IsotopiC and elemental compositions in the upper mantle, Science, 279(5354), 1178-1181.

Moreira, M., et al. (1999), Helium and lead isotope geochemistry of the Azores Archipelago, Earth and Planetary Science Letters, 169(1-2), 189-205.

Moreira, M., and M. D. Kurz (2001), Subducted oceanic lithosphere and the origin of the HIMU basalt helium isotopic signature, Earth and Planetary Science Letters, 189(1-2),49-57.

Morgan, W. J. (1971), Convection plumes in the lower mantle, Nature, 230(5288), 42-43.

Morgan, J. W., and P. A. Baedecker (1983), Elemental composition of sulphide particles from an ultramafic xenolith and the siderophile content of the upper mantle, paper presented at Lunar and Planetary Sciences Conference 14 Morgan, J. W. (1986), Ultramafic xenoliths: clues to the Earth's late accretionary history, Journal of Geophysical Research-Solid Earth and Planets, 91(812), 2375- 2387.

Mulugeta, G., and W. Ghebreab (2001), Modeling heterogeneous stretching during episodic or steady rifting of the continental lithosphere, Geology, 29(10), 895-898.

Mulugeta, G., et al. (2007), Emplacement mechanisms for Continental Flood Basalts and implications for plume activity during incipient continental breakup, Journal of African Earth Sciences, 48(2-3), 137-146. [OpenAIRE]

44 references, page 1 of 3
Powered by OpenAIRE Research Graph
Any information missing or wrong?Report an Issue