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[Resumen] En este trabajo se presenta, por primera vez, la composición química de muestras de casi teri tas pertenecientes a distintos tipos de yacimientos españoles, local izados a lo largo del Macizo Hespérico. Se establecen correlaciones entre los caracteres geoquímicos y genéticos, así como, entre el hábito y el color con la tipología del yacimiento: Bipirámides de tonalidades oscuras, junto con una escasa ó nula maclación, son típicas de los depósitos de diseminación y pegmatíticos. Prismas apuntados en pirámides, con una extensa gama de color y abundante maclación I son característicos de yacimientos filonianos.
[Abstract] This study presents the chemical composi tion of cassi teri tes samples from different kinds of Spanish deposi ts, for first time. The correlations between geochemical and genetic characteristics are presented, and also, between habi t and colour wi th the type of deposit: Bipyramids of dark tonali ties wi th a li ttle or null twining are characteristic of dissemination and pegmati tic deposits. Pointed prims in pyramid wi th a wide range of colours and abundant twining are characteristic of lode deposits
Elementos trazas, Yacimientos minerales, Casiterita
Elementos trazas, Yacimientos minerales, Casiterita
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