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Tore-Madeira Rise

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Journal Article
Published: 01 May 2012
Journal of the Geological Society (2012) 169 (3): 251–267.
...Renaud Merle; Mary-Alix Kaczmarek; Elodie Tronche; Jacques Girardeau Abstract Spinel-bearing peridotite and pyroxenite xenoliths dredged from the Dragon Seamount (southern ToreMadeira Rise, West Iberia and Morocco margin) give an insight into the composition of the underlying lithosphere...
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Journal Article
Published: 01 September 2009
Journal of the Geological Society (2009) 166 (5): 879–894.
...Renaud Merle; Fred Jourdan; Andrea Marzoli; Paul R. Renne; Marion Grange; Jacques Girardeau Abstract: The ToreMadeira Rise is a seamount chain located 300 km off the Portugal and Morocco coasts attributed to hotspot activity. U–Pb ages of lavas from the northern and central ToreMadeira Rise range...
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Zr&#x2F;Y v. Th&#x2F;Nb plot for the data points of the <span class="search-highlight">Tore</span>–<span class="search-highlight">Madeira</span> <span class="search-highlight">Rise</span> samples. Fi...
Published: 01 September 2009
Fig. 3. Zr/Y v. Th/Nb plot for the data points of the ToreMadeira Rise samples. Fields of Canary archipelago and Madeira archipelago basalts and Atlantic N-MORBs from Georoc and PetDB databases. Field of previously studied ToreMadeira Rise samples from Geldmacher et al . (2005, 2006, 2008 ).
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(a)  Bathymetric map of the eastern central Atlantic Ocean. The red circles...
Published: 01 May 2012
Fig. 1. (a) Bathymetric map of the eastern central Atlantic Ocean. The red circles (grey in printed version) indicate the locations of the ODP sites on the Iberia–Newfoundland conjugate margin. The numbers correspond to the ODP holes. TMR, ToreMadeira Rise. ( b ) Bathymetric map of the Tore
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Geodynamical model for the space–time distribution of magmatism on <span class="search-highlight">Tore</span>–Mad...
Published: 01 September 2009
Fig. 9. Geodynamical model for the space–time distribution of magmatism on ToreMadeira Rise and in the surrounding area. ( a ) Locations of the Iberian plate since 125 Ma relative to Europe considered to be fixed (adapted from Sibuet et al . 2004 b ). The light grey domains are areas
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Possible geodynamic interpretations of the HIMU component identified in the...
Published: 01 May 2012
Fig. 11. Possible geodynamic interpretations of the HIMU component identified in the isotopic characteristics of the ToreMadeira Rise alkaline lavas. No vertical scale. DMM, depleted MORB mantle.
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Photographs of thin sections of basic and less evolved lavas dredged on the...
Published: 01 September 2009
Fig. 6. Photographs of thin sections of basic and less evolved lavas dredged on the ToreMadeira Rise. The vesicles are filled by clay minerals, zeolites and carbonates. The groundmass also shows overall oxidation as a result of seawater percolation.
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Age frequency histogram (error bars not included) and probability density d...
Published: 01 September 2009
Fig. 8. Age frequency histogram (error bars not included) and probability density distribution diagram (PDD; error bars included in the curve calculation; PDD increment is 0.5 Ma) for the ToreMadeira Rise lavas. Calculated using AgeDisplay Excel macro ( Sircombe 2004 ).
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Location of the various magmatic occurrences in the northern central Atlant...
Published: 01 September 2009
Fig. 10. Location of the various magmatic occurrences in the northern central Atlantic Ocean close to the ToreMadeira Rise area at the time of its activity. Estimation of the volcanic activity of Azores from Gente et al . (2003 ); age of the ODP 210 sills from Hart & Blusztajn (2006
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(a)  Cr-number v. Mg-number for spinels from Dragon peridotite xenoliths an...
Published: 01 May 2012
Fig. 8. (a) Cr-number v. Mg-number for spinels from Dragon peridotite xenoliths and Lion xenocrystals. Cr-number = (Cr/(Cr + Al); Mg-number = Mg/(Mg + Fe total ). ( b ) Cr-number v. TiO 2 (wt%) for spinels from ToreMadeira Rise peridotite xenoliths and xenocrystals. Data for Madeira mantle
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Primitive mantle-normalized multi-element plots of mafic rock units. (A) Ke...
Published: 08 May 2019
of the Newfoundland margin include the Ocean Drilling Program site 1276 ( Hart and Blusztajn, 2006 ) and Orphan Knoll seamount ( Pe-Piper et al., 2013 ). Cretaceous syn- to post-breakup Iberian margin rocks include the western Iberian continental margin ( Miranda et al., 2009 ) and the ToreMadeira Rise ( Merle et al
Series: Geological Society, London, Special Publications
Published: 01 January 2007
DOI: 10.1144/SP282.2
EISBN: 9781862395305
... for a time during the Barremian when melt was introduced from the southern edge of the rift by plume magmatism that formed the Southeast Newfoundland Ridge and J Anomaly Ridge, and the conjugate MadeiraTore Rise. We propose that the rising asthenosphere breached the subcontinental mantle lithosphere...
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—Logs of wells drilled by Deep Sea Drilling Project off northwestern Africa...
Published: 01 May 1976
Verde plateau, five ( J12, J138, J139, J140, J141 ) on continental rise off Mauritania-Spanish Sahara, J369 on continental slope off Spanish Sahara, J370 on continental rise off Morocco, J136 on saddle at southern part of Madeira-Tore Rise, J135 on structural high east of Ampere bank, J120
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Epicentral locations (black circles) proposed by different authors for the ...
Published: 01 October 2003
); R, Reid ( 1914 ); Ma, Machado ( 1966 ); Mo, Moreira ( 1989 ); Z, Zittellini et al. (1999); LTVF, Lower Tagus Valley Fault; NF, Nazaré Fault; MF, Messejana Fault; GB, Gorringe Bank; TAP, Tagus Abyssal Plain; ES, Estremadura Spur; MTR, MadeiraTore Rise (shown at its northeast termination); L, Lisbon
Journal Article
Journal: Geology
Published: 25 February 2022
Geology (2022) 50 (5): 615–619.
... voluminous crust of a basement ridge in the South American plate ( Tucholke and Ludwig, 1982 ). On the African plate, the conjugate J anomaly occurs on the basement ridge along the MadeiraTore Rise ( Verhoef et al., 1991 ), although the rise contains volcanoes that formed at a younger age ( Merle et al...
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Journal Article
Journal: Geology
Published: 01 December 2007
Geology (2007) 35 (12): 1087–1090.
...-3121.2004.00554.x. Geldmacher , J. , Hoernle , K. , v.d. Klügel , A. , Bogaard , P. , Wombacher , F. , and Berning , B. , 2006 , Origin and geochemical evolution of the Madeira-Tore Rise (eastern North Atlantic) : Journal of Geophysical Research , v. 111 pp. 19 pp...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 01 October 2010
Lithosphere (2010) 2 (5): 361–376.
... was estimated for the Canary Islands by Schmincke and Sumita (1998) . The Madeira Province consists of the Madeira hotspot track and the Madeira-Tore Rise ( Fig. 4 ). The Madeira hotspot track forms a roughly 700-km-long and 200-km-wide chain of volcanoes with a rough southwest to northeast progression...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 1976
AAPG Bulletin (1976) 60 (5): 809–878.
... Verde plateau, five ( J12, J138, J139, J140, J141 ) on continental rise off Mauritania-Spanish Sahara, J369 on continental slope off Spanish Sahara, J370 on continental rise off Morocco, J136 on saddle at southern part of Madeira-Tore Rise, J135 on structural high east of Ampere bank, J120...
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Journal Article
Journal: Geology
Published: 01 April 2012
Geology (2012) 40 (4): 355–358.
... Research , v. 129 , p. 7 – 22 , doi:10.1016/S0377-0273(03)00229-4 . Merle R. Caroff M. Girardeau J. Cotten J. Guivel C. , 2005 , Segregation vesicles, cylinders, and sheets in vapor-differentiated pillow lavas: Examples from Tore-Madeira Rise and Chile Triple Junction...
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Journal Article
Published: 07 September 2023
Canadian Journal of Earth Sciences (2024) 61 (1): 102–116.
... – 101 . doi: 10.1016/j.epsl.2005.04.037 . Geldmacher , J. , Hoernle , K. , Klügel , A. , v.d. Bogaard , P. , Wombacher , F. , and Berning , B. 2006 . Origin and geochemical evolution of the Madeira-Tore Rise (eastern North Atlantic) . Journal of Geophysical Research...
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