Within-plate calc-alkaline rocks: Insights from alkaline mafic magma–peraluminous crustal melt hybrid appinites of the Central Iberian Variscan continental collision

Arculus, 2003, Use and abuse of the terms calcalkaline and calcalkalic, Journal of Petrology, 44, 929, 10.1093/petrology/44.5.929 Andersen, 1993, QUILF: a Pascal program to asses equilibria among Fe–Mg–Ti oxides, pyroxenes, olivines, and quartz, Computational Geosciences, 19, 1333, 10.1016/0098-3004(93)90033-2 Azor, 1994, Tectonic evolution of the boundary between the Central Iberian and Ossa–Morena zones (Variscan belt, southwest Spain), Tectonics, 13, 45, 10.1029/93TC02724 Banda, 1987, Estructura cortical del Macizo Herpérico: la aportación geofísica Bea, 1999, Mafic precursors, peraluminous granitoids, and late lamprophyres in the Avila batholith: a model for the generation of Variscan batholiths in Iberia, Journal of Geology, 107, 399, 10.1086/314356 Bea, 2003, The nature and origin of the granite source layer of Central Iberia: evidence from trace element, Sr and Nd isotopes, and zircon age patterns, Journal of Geology, 111, 579, 10.1086/376767 Bea, 2004, La naturaleza del magmatismo de la Zona Centro Ibérica: consideraciones generales y ensayo de correlación, 128 Bea, 2004, El Batolito de Avila Bea, 2006, Zircon thermometry and U–Pb ion-microprobe dating of the gabbros and associated migmatites of the Variscan Toledo Anatectic Complex, Central Iberia, Journal of the Geological Society, London, 163, 847, 10.1144/0016-76492005-143 Best, 1970, Kaersutite–peridotite inclusions and kindred megacrysts in basanite lavas, Grand Canyon, Arizona, Contributions to Mineralogy and Petrology, 27, 25, 10.1007/BF00539539 Castro, 2003, The appinite–migmatite complex of Sanabria, NW Iberian massif, Spain, Journal of Petrology, 44, 1309, 10.1093/petrology/44.7.1309 Clemens, 1981, Origin and crystallization of some peraluminous (S-type) granitic magmas, Canadian Mineralogist,, 19, 111 Cliff, 1985, Isotopic dating in metamorphic belts, Journal of the Geological Society, London, 142, 97, 10.1144/gsjgs.142.1.0097 Deer, 1997 Farias, 1987, Aportaciones al conocimiento de la litoestratigrafía y estructura de Galicia Central, Memorias do Museo e Laboratorio Mineralogico e Geologia, Faculdade de Ciências da Universidade do Porto, 1, 411 Hibbard, 1981, The magma mixing origin of mantled feldspars, Contributions to Mineralogy and Petrology, 76, 158, 10.1007/BF00371956 Hofmann, 1988, Chemical differentiation of the Earth: the relationship between mantle, continental crust, and oceanic crust, Earth and Planetary Science Letters, 90, 297, 10.1016/0012-821X(88)90132-X Holland, 1994, Nonideal interactions in calcic amphiboles and their bearing on amphibole-plagioclase thermometry, Contributions to Mineralogy and Petrology, 116, 433, 10.1007/BF00310910 Irvine, 1971, A guide to the chemical classification of the common volcanic rocks, Canadian Journal of Earth Sciences, 8, 523, 10.1139/e71-055 Le Maitre, 1989 López-Moro, 2004, Monzonitic series from the Variscan Tormes Dome (Central Iberian Zone): petrogenetic evolution from monzogabbro to granite magmas, Lithos, 72, 19, 10.1016/j.lithos.2003.08.002 Martin, 2007, Amphiboles in the igneous environment, Reviews in Mineralogy and Geohemistry, 67, 323, 10.2138/rmg.2007.67.9 Martinez, 2002, Mantle wedge control on back-arc crustal accretion, Nature, 416, 417, 10.1038/416417a McBirney, 1979, Crystallization and layering of the Skaergaard intrusion, Journal of Petrology, 20, 487, 10.1093/petrology/20.3.487 McDonough, 1995, Composition of the Earth, Chemical Geology, 120, 223, 10.1016/0009-2541(94)00140-4 Mitchell, 1994, The lamprophyre facies, Mineralogy and Petrology,, 51, 137, 10.1007/BF01159724 Molina, J.F., Scarrow, J.H., Montero, P., Bea, F., in press. High-Ti amphibole as a petrogenetic indicator of magma chemistry: evidence for mildly alkalic-hybrid melts during evolution of Variscan basic-ultrabasic magmatism of Central Iberia. Contributions to Mineralogy and Petrology. Montero, 2004, Edad 207Pb/206Pb en cristal único de circón de las rocas máficas y ultramáficas del sector de Gredos, Batolito de Avila (Iberia Central), Revista de la Sociedad Geologica de España, 17, 157 Montero, 2004, 55 million years of continuous anatexis in Central Iberia: single zircon dating of the Peña Negra Complex, Journal of the Geological Society, London, 161, 255, 10.1144/0016-764903-024 Pereira, 1992, Dataciones Rb/Sr en el Complejo Anatéctico de la Peña Negra (Batolito de Avila, España Central): evidencias de magmatismo Prehercínico, Revista de la Sociedad Geológica de España, 5, 129 Paterson, 1992, Rates of processes in magmatic arcs: implications for the timing and nature of pluton emplacement and wall rock deformation, Journal of Structural Geology, 14, 297, 10.1016/0191-8141(92)90087-D Petford, 2003, Rheology of granitic magmas during ascent and emplacement, Annual Review of Earth and Planetary Sciences, 31, 399, 10.1146/annurev.earth.31.100901.141352 Pitcher, 1993 Rock, 1990 Roeder, 1970, Olivine–liquid equilibrium, Contributions to Mineralogy and Petrology, 29, 275, 10.1007/BF00371276 Scarrow, 2006, A precise late Permian 40Ar/39Ar age for Central Iberian camptonitic lamprophyres, Geologica Acta, 4, 451 Sisson, 1996, Hornblende gabbro sill complex at Onion Valley, California, and a mixing origin for the Sierra Nevada batholith, Contributions to Mineralogy and Petrology, 126, 81, 10.1007/s004100050237 Schmidt, 1996, Epidote in calc-alkaline magmas: an experimental study of stability, phase relationships, and the role of epidote in magmatic evolution, American Mineralogist, 81, 462, 10.2138/am-1996-3-420 Sugawara, 2000, Empirical relationships between temperature, pressure and MgO content in olivine and pyroxene saturated liquid, Journal of Geophysical Research, 105, 8457, 10.1029/2000JB900010 Tatsumi, 1995 Tsuchiyama, 1985, Dissolution kinetics of plagioclase in the melt of the system diopside–albite–anorthite and origin of dusty plagioclase in andesites, Contributions to Mineralogy and Petrology, 89, 1, 10.1007/BF01177585 Wilkinson, 1974, The mineralogy and petrography of alkali basaltic rocks Wyllie, 1977, Crustal anatexis: an experimental review, Tectonophysics, 43, 41, 10.1016/0040-1951(77)90005-1 Ulmer, 2001, Partial melting in the mantle wedge — the role of H2O in the genesis of mantle-derived ‘arc-related’ magmas, Physics of the Earth and Planetary Interiors, 127, 215, 10.1016/S0031-9201(01)00229-1