...F IG . 1. Location of the Alcudia Valley mineral field in relationship to zones of the Iberian Massif and main neighboring Pb-Zn mining districts. CIZ = Central Iberian zone, CZ = Cantabrian zone, LLC = Linares-La Carolina district, LP = Los Pedroches district, OMZ = Ossa-Morena zone, SPZ = South...

... of silver coins (Table S3 [see footnote 1 ]) and Iberian galena samples (Table S1). Dashed lines delimit the range of Ag isotopic variation of silver coins; one outlier is an exception. Dashed-line square regroups the Linares–La Carolina and Alcudia Valley–Los Pedroches districts, which both belong...

... (zona Centroibérica, España) . – XV reun. geol. oeste peninsular , Extended Abstracts, 147 – 157 . Lillo F.J. ( 1992 ). – Geology and geochemistry of Linares-La Carolina Pb-ore field (southeastern border of the Hesperian massif) . –PhD Thesis, Univ. Leeds , 377 p. Lopez Sanchez...

... : La Carolina; 4 : Talara; 5 : Northeastern Brazil; 6 : Lagoa Santa; 7 : Tarija; 8 : Pampean Region Our knowledge of these canids is restricted to a limited and scattered number of localities. The most nearly continuous record for the group is from the Pampean Region, where extensive Late...

... different streams in the La Carolina gold district was carried out. We performed 502 analyses on 191 grains. The core composition of the gold grains is heterogeneous, with an average chemical composition of 58 to 74 wt.% Au, 25 to 40% Ag, up to 0.5% Hg, and less than 0.4% Cu. The rim of each grain...

... este de Cumarebo, Falcón nororiental : Boletín de la Sociedad Venezolana de Geológos , v. 22 , p. 56 – 64 . Diaz de Gamero , M. L. , and Linares , O. J. , 1989 , Estratigrafía y paleontología de la Formación Urumaco, del Miocene tardío de Falcón noroccidental : VII Congreso...

... : 385 - 402 . Díaz de Gamero , M. L. , and O. J. Linares . 1989 . Estratigrafía y Paleontología de la Formación Urumaco, del Mioceno tardío de Falcón Noroccidental . VIII Congreso Geológico Venezolano , v. Mem. I : 419 – 438 . Filler , A. G. 1986 . Axial character...

...Adriana, Heimann; Jason A., Yonts; Miguel A., Galliski Gahnite from LCT granitic pegmatites of the Comechingones (Blanca Dora, Juan Román, Magdalena, La Ona, and Sin Nombre pegmatites) and Conlara (Nancy pegmatite) pegmatite districts, Argentina, was analyzed to investigate the relationship between...

...” and “Independencia Argentina”) columbite-tantalite has about a constant composition within either the manganocolumbite or manganotantalite fields, indicating a substantial degree of fractionation in the pegmatite bodies. “La Brillante”, “Las Chinitas” and “Las Cuevas” pegmatites contain manganocolumbite...

... of intermediate composition belong to normal to high-K calc-alkaline and shoshonitic suites (Gallard-Esquivel et al. , 2015 ). The La Carolina volcanic field has been interpreted as a maar-diatreme system, which was disturbed by dome emplacement (Sruoga et al. , 1996 ). Spatially related to this maar-diatreme...

... of the Iberian Variscan belt. Data from the Linares-La Carolina area ( Arribas, 1993 ), the Catalonian Coastal Ranges ( Canals and Cardellach, 1997 ), and from Table 4 show that these veins always have μ values above 9.8. The feldspars of the Variscan granitoids of the Iberian autochthonous terrane also have...

... glass and devitrified sub-rounded grains that may be relict allophane. Field observations and mineralogical-chemical characteristics indicate that the alteration of the Tertiary volcanic units of the Black Sea region was controlled by chemical weathering during circulation of oxic meteoric or mixed...

.... and Linares , J. ( 1999 ) Experimental study of hydrothermal formation of kaolinite . Chemical Geology , 156 , 171 – 190 . Iriarte , I. ( 2003 ) Formación de minerales de la arcilla en el sistema SiO 2 -Al 2 O 3 -Fe 2 O 3 -MgO-Na 2 O-H 2 O entre 150 y 225°C . PhD thesis, University...

.... Vera (University of Granada) for their help with the field work, K. Livi (Johns Hopkins University) for his advice on the EMP, and M.M. Abad (C.I.C., University of Granada) for her help with HRTEM work. C. Laurin is acknowledged for revising the English. We are grateful to G. Giorgetti and an anonymous...

... dissolution, and the protons released from the exchanger eliminate the need for an additional CO 2 source in the aquifer. According to Chapelle and McMahon (1991a) , a primary source of dissolved inorganic carbon in the Black Creek aquifer of South Carolina is CO 2 produced by microbially mediated...

... ), but are similar in composition to wollastonite and melilite from Ricetto and other pyrometamorphic rocks. Samples of Ricetto and Colle Fabbri from Melluso et al. (2003) and Stoppa et al. (2005) fall well within the compositional field (e.g., Nb/La; Ba/La) of Apennine marlstones. Melluso et al. (2003...

... on the enrichment of the critical element lithium Mingxuan Zhou, Lei Zhao, Xibo Wang, Victor P. Nechaev, and Shifeng Dai article 104582 Geophysical characterisation of geologic features with mining implications from ERT, TDEM and seismic reflection (Mining District of Linares-La Carolina, Spain) R. Mendoza, J. Rey...

..., Recension de: S. Figueirôa y M. Lopes, Org. Geological Sciences in Latin America, Llull, 19 (36), p. 249-251, y Enseñ. Ciencias de la Tierra. Bolet. Comis. Hist. Geología España SGE. 5, 25. Sequeiros, L., Berjillos, p., Dieguez, C., Fernandez Lopez, S., Goy, A., Linares, A., Melendez, G., Montero...

... ( 2001 ) The Panjshir-Afghanistan Emerald deposits: New field and geochemical evidence for Colombian style mineralization . Abstract EUG Strasbourg , Abstr Vol, p 548 Sarazin G , Forestier H ( 1959 ) Étude de la substitution d’ions Al 3+ dans le chrysobéryl . C R Acad Sci Paris...