Datos mineralógicos preliminares sobre las glauconitas tortonienses de la cuenca del Guadalquivir(sur de España)

1. Abad de los Santos, Manuel
2. Ruiz Muñoz, Francisco
3. Pendón Martín, José Gabriel
4. González-Regalado Montero, María Luz
5. López González, Nieves

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Resumen

The mineralogical characteristics analyzed by X-Ray difraction in the glauconitc pellets of a tortonian condensed sections outcropping at the passive margin of the Guadalquivir Basin have allowed inferring the existence of an evolved glauconite. The time necessary to the formation of these glauconite grains (6% K+) oscillates between 10 and 5x10 years. These data are according to previous works about these same condensed sections. the slight differences found between glauconitas can be related to different basin depths, type of subtratum or the other paleoceanographic factors

Fuente de los datos: Dialnet