Contrasting chemical and isotopic variations in the South Atlantic ridge basalts; evidence for a deep mantle plume

Author(s): Dietrich, V. J.; Koeppel, V.; Carman, M. F.
Author Affiliation(s): Primary:
ETH-Zent., Dep. Earth Sci., Zurich, Switzerland
Other:
Univ. Houston, United States
Volume Title: Continental magmatism; abstracts
Source: Bulletin - New Mexico Bureau of Geology & Mineral Resources, No.131, p.74; General assembly of the International Association of Volcanology and Chemistry of the Earth's Interior, Santa Fe, NM, June 25 - July 1, 1989. Publisher: New Mexico Bureau of Mines and Mineral Resources, Socorro, NM, United States. ISSN: 0096-4581 CODEN: NEXBAJ
Note: In English
Year of Publication: 1989
Research Program: DSDP Deep Sea Drilling Project
IPOD International Phase of Ocean Drilling
Key Words: 02 Geochemistry; 05 Petrology, Igneous and Metamorphic; Alkaline earth metals; Asthenosphere; Atlantic Ocean; Atlantic Ocean Islands; Basalts; Basement; Continental crust; Crust; Cumulates; DSDP Site 525; DSDP Site 527; DSDP Site 528; Deep Sea Drilling Project; Geochemistry; Gough Island; IPOD; Igneous rocks; Intrusions; Isotopes; Lava; Lead; Leg 74; Mantle; Mantle plumes; Metals; Metasomatism; Mixing; Neodymium; Parent materials; Petrology; Rare earths; Sills; South Atlantic; Strontium; Subduction; Tholeiitic composition; Trachytes; Tristan da Cunha; Upper mantle; Variations; Volcanic rocks; Volcanism; Walvis Ridge
Coordinates: S290415 S290414 E0025908 E0025907
S280230 S280229 E0014549 E0014547
Record ID: 1990022784
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