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Browsing by Author "Bravo, J. I."
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La ankeritización en las dolomías del Aptiense en el entomo de las mineralizaciones Pb-Zn en el NO de Cantabria
Bravo, J. I. (Sociedad Geológica de España, 1988)The study of iron content in dolomites from northwestern Cantabria is used to know the ankeritization degre in dolomites but also the biggest or lowest proximity to Pb-Zn mineralization, provided that these mineralizations ... -
Estudio de determinados elementos traza en rocas carbonatadas del Aptiense, en el área de Novales (Cantabria)
Bravo, J. I. (Sociedad Geológica de España, 1989)From test-borings 1 and 2 at the Novales area, both the ppm contents certain elements (Cu, Zn, Pb, Sr and Mn) and the Fe % in carbonate rocks af Aptian in the domains close to Esfalerita Galena mineralizations were determined ... -
Estudio de los contenidos de estroncio en las rocas carbonatadas del Cretácico Inferior del Noroeste de Cantabria (España)
Bravo, J. I. (Sociedad Geológica de España, 1989)This paper tries to determine the strontium contents in different types of carbonated rocks thus setting up a series evolutionary patterns related to the dolomitization process. The evolution of these processes causes a ... -
Geoquímica del yacimiento Pb-Zn-Ba-(Hg) de Argallón, Picos de Europa, Asturias (España)
Bravo, J. I.; Fernández, C. J. (Sociedad Geológica de España, 1996)In the mining area of Argallon, located in the northern region of the «Picos of Europa» (eastern Asturias), 82 samples of host rock have been analysed, 25 correspondins to siliceous materials-silidfication masses of ... -
Las relaciones Pb-Zn en las rocas carbonatadas del Cretácico Inferior del Noroeste de Cantabria (España)
Bravo, J. I. (Sociedad Geológica de España, 1989)Pb-Zn relationships of 576 samples in ppm have been studied in the present paper in order to observe the possible conections of those elements in the enviroment of the mineralizations which all fit into the iron-rich ...