M.I. Valladares

Provenance of Upper Precambrian-Lower Cambrian shales in the Central Iberian Zone, Spain: evidence from a chemical and isotopic study

J. M. Ugidos, M.I. Valladares, Clemente Récio et al. · Chemical Geology · 1997 · 81 citations

Natural Sciences, Earth Sciences, Geology +16

Upper Neoproterozoic-Lower Cambrian sedimentary successions in the Central Iberian Zone (Spain): sequence stratigraphy, petrology and chemostratigraphy. Implications for other European zones

M.I. Valladares, Pedro Barba, J. M. Ugidos et al. · International Journal of Earth Sciences · 2000 · 68 citations

Natural Sciences, Earth Sciences, Geology +17

Geochemistry and petrology of recycled orogen-derived sediments: a case study from Upper Precambrian siliciclastic rocks of the Central Iberian Zone, Iberian Massif, Spain

J. M. Ugidos, Ildefonso Armenteros Armenteros, Pedro Barba et al. · Precambrian Research · 1997 · 58 citations

Natural Sciences, Earth Sciences, Geology +12

The Upper Neoproterozoic–Lower Cambrian of the Central Iberian Zone, Spain: chemical and isotopic (Sm-Nd) evidence that the sedimentary succession records an inverted stratigraphy of its source

J. M. Ugidos, M.I. Valladares, Pedro Barba et al. · Geochimica et Cosmochimica Acta · 2003 · 50 citations

Natural Sciences, Earth Sciences, Geology +9

Contrasting geochemical features of the Central Iberian Zone shales (Iberian Massif, Spain): implications for the evolution of Neoproterozoic–Lower Cambrian sediments and their sources in other peri-Gondwanan areas

M.I. Valladares, J. M. Ugidos, Pedro Barba et al. · Tectonophysics · 2002 · 37 citations

Natural Sciences, Earth Sciences, Geology +15