Local versus regional mantle heterogeneities; evidence from hygromagmaphile elements

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doi: 10.2973/dsdp.proc.82.123.1985
Author(s): Bougault, Henri; Joron, J. L.; Treuil, M.; Maury, R.
Author Affiliation(s): Primary:
Inst. Fr. Rech. Exploit. Mer, Brest, France
Other:
Lamont-Doherty Geol. Obs., Palisades, NY, United States
Wash. Univ., Dep. Earth and Planet. Sci., St. Louis, MO, United States
Hawaii Inst. Geophys., Honolulu, HI, United States
Fla. State Univ., Dep. Geol., Tallahasse, FL, United States
Curtis and Echols Geol. Consultants, Houston, TX, United States
Univ. Mass., Dep. Geol., Amherst, MA, United States
Univ. Leicester, Dep. Geol., Leicester, United Kingdom
Scripps Inst. Oceanogr., La Jolla, Ca, United States
Ruhr-Univ. Bochum, Inst. Geol., Federal Republic of Germany
Univ. R.I., Grad. Sch. Oceanogr., Kingston, RI, United States
Cent. Natl. Rech. Sci., France
Volume Title: Initial reports of the Deep Sea Drilling Project; covering Leg 82 of the cruises of the Drilling Vessel Glomar Challenger; Ponta Delgada, Azores, to Balboa, Panama; September-November 1981
Volume Author(s): Bougault, Henri; Cande, Steven C.; Brannon, Joyce C.; Christie, David M.; Clark, Murlene; Curtis, Doris Malkin; Drake, Natalie; Echols, Dorothy J.; Hill, Ian Ashley; Khan, Mohammed Javed; Mills, William G.; Neuser, Rolf; Rideout, Marion L.; Weaver, Barry L.; Whalen, Elizabeth
Source: Initial reports of the Deep Sea Drilling Project; covering Leg 82 of the cruises of the Drilling Vessel Glomar Challenger; Ponta Delgada, Azores, to Balboa, Panama; September-November 1981, Henri Bougault, Steven C. Cande, Joyce C. Brannon, David M. Christie, Murlene Clark, Doris Malkin Curtis, Natalie Drake, Dorothy J. Echols, Ian Ashley Hill, Mohammed Javed Khan, William G. Mills, Rolf Neuser, Marion L. Rideout, Barry L. Weaver and Elizabeth Whalen. Initial Reports of the Deep Sea Drilling Project, Vol.82, p.459-482. Publisher: Texas A & M University, Ocean Drilling Program, College Station, TX, United States. ISSN: 0080-8334 CODEN: IDSDA6
Note: In English. With 3 appendices. 66 refs.; illus. incl. 5 tables, sketch map
Summary: The objective of Leg 82 was to determine mantle heterogeneity near a hot spot. The data favour a model of short-lived, discrete magma chambers, with contributions from more than one hot spot.
Year of Publication: 1985
Research Program: DSDP Deep Sea Drilling Project
IPOD International Phase of Ocean Drilling
Key Words: 02 Geochemistry; Actinides; Atlantic Ocean; Azores triple junction; Basalts; Complexing; Coryell-Masuda plot; Crystal structure; DSDP Site 556; DSDP Site 558; Deep Sea Drilling Project; Geochemistry; Hafnium; Hayes fracture zone; Heterogeneity; Hot spots; Hygromagmaphile elements; IPOD; Igneous rocks; Isotopes; La/Sm; Lead; Leg 82; Liquid phase; Magmas; Mantle; Metals; Mid-Atlantic Ridge; Nb/Zr; North Atlantic; Pb-206/Pb-204; Radioactive isotopes; Rare earths; Ratios; Stable isotopes; Ta/Hf; Tantalum; Thorium; Titanium; Trace elements; Transition elements; Vanadium; Volcanic rocks; Yttrium; Zirconium
Coordinates: N300000 N400000 W0240000 W0450000
Record ID: 1985081665
Copyright Information: GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom