6. PROVENANCE OF THE HP-HT UPPER ALLOCHTHON
126
R.D., Arenas, R. & Dıaz Garcıa, F.),
Geological Society of
America Special Paper
,
364,
37
–
56.
Andonaegui, P., Casti
~
neiras, P., Gonzalez Cuadra, P.
et al.
,
2012. The Corredoiras orthogneiss (NW Iberian Massif):
geochemistry and geochronology of the Paleozoic magmatic
suite developed in a peri-Gondwanan arc.
Lithos
,
128
–
131,
84
–
99.
Arenas, R., 1988. Evolucion petrologica y geoquımica de la
unidad aloctona inferior del complejo metamorfico basico
–
ultrabasico de Cabo Ortegal (Unidad de Moeche) y del
Silurico paraautoctono, Cadena Hercınica Iberica (NW de
Espa
~
na).
Corpus Geologicum Gallaeciae
,
4,
543.
Arenas, R., Gil Ibarguchi, J.I., Gonzalez Lodeiro, F.
et al.
,
1986. Tectonostratigraphic units in the complexes with mafic
and related rocks of the NW of the Iberian Massif.
Hercyn-
ica
,
2, 7
87
–
110.
Arenas, R., Rubio Pascual, F.J., Dıaz Garcıa, F. & Martınez
Catalan, J.R., 1995. High-pressure micro-inclusions and
development of an inverted metamorphic gradient in the
Santiago Schists (Ordenes Complex, NW Iberian Massif,
Spain): evidence of subduction and syncollisional decompres-
sion.
Journal of Metamorphic Geology
,
13,
141
–
164.
Arenas, R., Abati, J., Martınez Catalan, J.R.
et al.
, 1997. P-T
evolution of eclogites from the Agualada Unit (Ordenes
Complex, northwest Iberian Massif, Spain): implications for
crustal subduction.
Lithos
,
40,
221
–
242.
Arenas, R., Martınez Catalan, J. R., Sanchez Martınez, S.
et al.
, 2007. Paleozoic ophiolites in the Variscan suture of
Galicia (northwest Spain): distribution, characteristics, and
meaning.
4
–
D Framework of Continental Crust
,
200,
425
–
444.
Arenas, R., Dıez Fernandez, R., Sanchez Martınez, S.
et al.
, 2014a. Two-stage collision: exploring the birth of
Pangea in the Variscan terranes.
Gondwana Research
,
25,
756
–
763.
Arenas, R., Sanchez Martınez, S., Gerdes, A.
et al.
, 2014b. Re-
interpreting the Devonian ophiolites involved in the Variscan
suture: U-Pb and Lu
–
Hf zircon data of the Moeche Ophio-
lite (Cabo Ortegal Complex, NW Iberia).
International Jour-
nal of Earth Sciences
,
103,
1385
–
1402.
Avigad, D., Gerdes, A., Morag, N. & Bechst
€
adt, T., 2012.
Coupled U-Pb
–
Hf of detrital zircons of Cambrian sand-
stones from Morocco and Sardinia: implications for prove-
nance and Precambrian crustal evolution of North Africa.
Gondwana Research
,
21,
690
–
703.
Ballevre, M., Martınez Catalan, J. R., Lopez-Carmona, A.
et al.
, 2014. Correlation of the nappe stack in the Ibero-Ar-
morican arc across the Bay of Biscay: a joint French
–
Span-
ish project.
Geological Society (London) Special Publications
,
405,
77
–
113.
Bea, F., Montero, P., Haissen, F. & El Archi, A., 2013.
2.46 Ga kalsilite and nepheline syenites from the Awsard
pluton, Reguibat rise of the West African Craton, Mor-
occo. Generation of extremely K-rich magmas at the
Archean-Proterozoic transition.
Precambrian Research
,
224,
242
–
254.
Begemann, F., Ludwig, K.R., Lugmair, G.W.
et al.
, 2001. Call
for an improved set of decay constants for geochronological
use.
Geochimica Et Cosmochimica Acta
,
65,
111
–
121.
Bouvier, A., Vervoort, J.D. & Patchett, P.J., 2008. The Lu
–
Hf
and Sm
–
Nd isotopic composition of CHUR: constraints
from unequilibrated chondrites and implications for the bulk
composition of terrestrial planets.
Earth and Planetary
Science Letters
,
273,
48
–
57.
Casti
~
neiras, P., 2005. Origen y evolucion tectonotermal de las
unidades de O Pino y Cari
~
no (Complejos Aloctonos de Gali-
cia).
Nova Terra
,
28,
279.
Cawood, P.A., Hawkesworth, C.J. & Dhuime, B., 2012. Detri-
tal zircon record and tectonic setting.
Geology
,
40,
875
–
878.
Chauvel, C. & Blichert-Toft, J., 2001. A hafnium isotope and
trace element perspective on melting of the depleted mantle.
Earth and Planetary Science Letters
,
190,
137
–
151.
Chauvel, C., Lewin, E., Carpentier, M.
et al.
, 2008. Role of
recycled oceanic basalt and sediment in generating the Hf
–
Nd mantle array.
Nature Geoscience
,
1,
64
–
67.
DePaolo, D.J., 1981. A neodymium and strontium isotopic
study of the mesozoic calc-alkaline granitic batholiths of the
Sierra-Nevada and Peninsular ranges, California.
Journal of
Geophysical Research
,
86,
470
–
488.
DePaolo, D.J. & Wasserburg, G.J., 1976. Inferences about
magma sources and mantle structure from variations of
143
Nd/
144
Nd.
Geophysical Research Letters
,
3,
743
–
746.
Dıaz Garcıa, F., 1990. La geologıa del sector occidental del
Complejo de Ordenes, (Cordillera Hercınica, Noroeste de
Espa
~
na).
Nova Terra
,
3,
290.
Dıaz Garcıa, F., Arenas, R., Martınez Catalan, J.R.
et al.
,
1999. Tectonic evolution of the Careon ophiolite (northwest
Spain). A remnant of oceanic lithosphere in the Variscan
belt.
Journal of Geology
,
107,
587
–
605.
Dıaz Garcıa, F., Sanchez Martınez, S., Casti
~
neiras, P.
et al.
,
2010. A peri-Gondwanan arc in NW Iberia. II: assessment
of the intra-arc tectonothermal evolution through U-Pb
SHRIMP dating of mafic dykes.
Gondwana Research
,
17,
352
–
362.
Dickinson, W.R. & Gehrels, G.E., 2009. Use of U-Pb ages of
detrital zircons to infer maximum depositional ages of strata:
a test against a Colorado Plateau Mesozoic database.
Earth
and Planetary Science Letters
,
288,
115
–
125.
Dıez Fernandez, R., Martınez Catalan, J.R., Gerdes, A.
et al.
,
2010. U-Pb ages of detrital zircons from the Basal allochtho-
nous units of NW Iberia: provenance and paleoposition on
the northern margin of Gondwana during the Neoprotero-
zoic and Paleozoic.
Gondwana Research
,
18,
385
–
399.
Dıez Fernandez, R., Martınez Catalan, J.R., Arenas, R. &
Abati, J., 2011. Tectonic evolution of a continental subduc-
tion
–
exhumation channel: Variscan structure of the basal
allochthonous units in NW Spain.
Tectonics
,
30,
1
–
22.
Dıez Fernandez, R., Casti
~
neiras, P. & Gomez Barreiro, J.,
2012a. Age constraints on Lower Paleozoic convection sys-
tem: magmatic events in the NW Iberian Gondwana margin.
Gondwana Research
,
21,
1066
–
1079.
Dıez Fernandez, R., Martınez Catalan, J.R., Arenas, R. &
Abati, J., 2012b. The onset of the assembly of Pangaea in
NW Iberia: constraints on the kinematics of continental sub-
duction.
Gondwana Research
,
22,
20
–
25.
Dıez Fernandez, R., Martınez Catalan, J.R., Arenas, R.
et al.
,
2012c. U-Pb detrital zircon analysis of the lower allochthon
of NW Iberia: age constraints, provenance and links with
the Variscan mobile belt and Gondwanan cratons.
Journal of
the Geological Society
,
169,
655
–
665.
Dıez Fernandez, R., Pereira, M.F. & Foster, D.A., 2014. Peral-
kaline and alkaline magmatism of the Ossa-Morena zone
(SW Iberia): age, source, and implications for the Paleozoic
evolution of Gondwanan lithosphere.
Lithosphere
,
7,
73
–
90.
Egal, E., Thieblemont, D., Lahondere, D.
et al.
, 2002. Late
Eburnean granitization and tectonics along the western and
northwestern margin of the Archean Kenema-Man domain
(Guinea, West African Craton).
Precambrian Research
,
117,
57
–
84.
El Bahat, A., Ikenne, M., S
€
oderlund, U.
et al.
, 2013. U-Pb
baddeleyite ages and geochemistry of dolerite dykes in the
Bas Dr
^
aa Inlier of the Anti-Atlas of Morocco: newly identi-
fied 1380 Ma event in the West African Craton.
Lithos
,
174,
85
–
98.
Ennih, N. & Liegeois, J.-P., 2008. The boundaries of the West
African craton, with special reference to the basement of the
Moroccan metacratonic Anti-Atlas belt.
Geological Society,
London, Special Publications
,
297,
1
–
17.
Farias, P., Gallastegui, G., Gonzalez-Lodeiro, F.
et al.
, 1987.
Aportaciones al conocimiento de la litoestratigrafıa y estruc-
tura de Galicia Central.
Memorias da Faculdade de Ci
^
encias,
Universidade do Porto
,
1,
411
–
431.
Fernandez-Suarez, J., Corfu, F., Arenas, R.
et al.
, 2002. U-Pb
evidence for a polyorogenic evolution of the HP
–
HT units
©
2015 John Wiley & Sons Ltd
976
R. ALBERT
ET AL.




