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P. Montero
University of Granada
100Publications
33H-index
2,755Citations
Publications 100
Newest
Published on May 1, 2019in Journal of African Earth Sciences1.63
Abderrahmane Soulaimani18
Estimated H-index: 18
,
Hassan Ouanaimi4
Estimated H-index: 4
+ 7 AuthorsJ.F. Molina22
Estimated H-index: 22
Abstract South of the Pan-African suture zone of the Anti-Atlas, the Agadir Melloul inlier exhibits several crests of nearly vertical conglomeratic quartzite beds inserted in Paleoproterozoic granites. These enigmatic rocky walls have been considered as Early Neoproterozoic platform sediments pinched within the 2.03 Ga-old granites during brittle faulting events at ca. 570 Ma. The data presented here contradict this interpretation. The quartzite crests correspond to parts of tight synclines pinc...
Published on Jan 1, 2019in Lithos3.91
Aitor Cambeses6
Estimated H-index: 6
(UGR: University of Granada),
P. Montero33
Estimated H-index: 33
(UGR: University of Granada)
+ 2 AuthorsF. Bea38
Estimated H-index: 38
(RUB: Ruhr University Bochum)
Abstract Magmas generated by melting of the continental crust and the mantle during collapse of collisional orogenic belts are compositionally heterogeneous and preserve evidence for mixing of the two magma sources. Deciphering the components of hybrid magmas is the key for assessing the relative contributions of mantle and crustal sources during orogenesis. Variscan plutons in the Ossa-Morena Zone are unusual, and particularly useful, because they comprise numerous mafic-intermediate-felsic int...
Published on Dec 1, 2018in Scientific Reports4.01
F. Bea38
Estimated H-index: 38
(UGR: University of Granada),
P. Montero33
Estimated H-index: 33
(UGR: University of Granada),
José Francisco Molina Palma1
Estimated H-index: 1
(UGR: University of Granada)
Zircon of crustal origin found in mantle-derived rocks is of great interest because of the information it may provide about crust recycling and mantle dynamics. Consideration of this requires understanding of how mantle temperatures, notably higher than zircon crystallization temperatures, affected the recycled zircon grains, particularly their isotopic clocks. Since Pb2+ diffuses faster than U4+ and Th+4, it is generally believed that recycled zircon grains lose all radiogenic Pb after a few mi...
Published on Sep 1, 2018in Comptes Rendus Geoscience1.84
Faouziya Haissen6
Estimated H-index: 6
,
P. Montero33
Estimated H-index: 33
(UGR: University of Granada)
+ 6 AuthorsAbdellatif Errami
Abstract The Archean Bulautad gneisses in the East of the Ouled Dlim domain adjacent to the Reguibat Rise (West African Craton, Southern Morocco) are intruded by peralkaline A-type granites. These granites form two kilometer-sized bodies, North Derraman and Derraman Highs, and a few small satellites. Prior studies have shown that the chemical and mineralogical compositions of these granites are remarkably uniform, and the North Derraman and Derraman Highs are hypersolvus aegirine–riebeckite gran...
Published on Sep 1, 2018in Comptes Rendus Geoscience1.84
J.F. Molina22
Estimated H-index: 22
(UGR: University of Granada),
F. Bea38
Estimated H-index: 38
(UGR: University of Granada)
+ 7 AuthorsAbdellah Mouttaqi5
Estimated H-index: 5
Abstract The Oulad Dlim Massif represents the northern segment of the Mauritanide belt that thrusts over the western margin of the Reguibat Shield, north of the West African Craton (WAC). This belt includes various metamorphic units of Archean, Neoproterozoic and Palaeozoic ages that were stacked and thrust eastward during the Variscan orogeny. The core of the Oulad Dlim Massif comprises the Adrar–Souttouf Metamafic Complex that represents a large tectonic unit made of high-grade mafic rocks and...
Published on Jun 1, 2018in Gondwana Research6.48
Ricardo Arenas35
Estimated H-index: 35
(Complutense University of Madrid),
Javier Fernández-Suárez36
Estimated H-index: 36
(Complutense University of Madrid)
+ 10 AuthorsLuis Miguel Martín Parra4
Estimated H-index: 4
(Instituto Geológico y Minero de España)
Abstract In the Ossa Morena Domain of SW Iberia, the Calzadilla Ophiolite is formed by an ensemble of ultramafic and mafic rocks that seem to represent a fragment of an oceanic Moho transition zone. The ophiolite consists of a main sheet with a minimum thickness of c . 1000 m and several ultramafic slices that appear imbricated with Ediacaran siliciclastic rocks of the so called Serie Negra. The mafic rocks of the Calzadilla Ophiolite show an extreme depletion in some HFSE such as Nb, Zr, Th, Hf...
Published on Jan 1, 2018
F. Bea38
Estimated H-index: 38
,
P. Montero33
Estimated H-index: 33
,
José Francisco Molina Palma1
Estimated H-index: 1
Published on Nov 1, 2017in Chemical Geology3.62
F. Bea38
Estimated H-index: 38
(UGR: University of Granada),
P. Montero33
Estimated H-index: 33
(UGR: University of Granada)
+ 3 AuthorsJ.A. Moreno6
Estimated H-index: 6
(UGR: University of Granada)
Abstract All other factors being equal, the calculation of zircon Hf two stage model ages (T DM Hf) depends on the particular Lu/Hf value assumed for the magmatic source, the effect being more pronounced as the age difference between zircon and magmatic source increases. It is generally considered that the Lu/Hf measured in the zircon-hosting rock does not represent the composition of the source because of potential garnet or zircon fractionation. Accordingly, most authors either assume a single...
Published on Oct 31, 2017in Geologica Acta1.15
L. González-Menéndez4
Estimated H-index: 4
(Instituto Geológico y Minero de España),
G. Gallastegui10
Estimated H-index: 10
+ 4 AuthorsF. Bea38
Estimated H-index: 38
The Variscan orogen of NW Iberia contains abundant syn- and post-tectonic granitoids. The post-tectonic granitoids are metaluminous to slightly peraluminous, I-type granites, monzogranites ± granodiorites ± tonalites. The Porrino pluton studied here is a representative example. It consists of two units: i) a pink-red, peraluminous, biotite granite and ii) a gray, metaluminous to peraluminous, biotite (± amphibole ± titanite) monzogranite, including maficintermediate enclaves. SHRIMP U-Pb dating ...
Published on Aug 1, 2017in Geochemistry International0.83
G. B. Fershtater14
Estimated H-index: 14
(RAS: Russian Academy of Sciences),
P. Montero33
Estimated H-index: 33
(UGR: University of Granada),
F. Bea38
Estimated H-index: 38
(UGR: University of Granada)
Over 60 zircon grains from apoharzburgite serpentinite were dated using SHRIMP–IIe/mc at the Laboratory IBERSIMS of the Granada University (Spain). The apoharzburgite serpentinite represents an oceanic mantle of the Uralian paleoocean, which was exhumed in the crustal structures of the Paleozoic Ural Mobile Belt during obduction. Individual grains span a huge 206Pb/238U age range from 2740 to 250 Ma and are clustered into six discrete age groups (in Ma): (I) > 2500, (II) 2500–1950, (III) 1260–12...
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