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Geologia Practica - Pearson

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ROCAS SEDIMENTARIAS QUÍMICAS Y ORGANÓGENAS<br />

(g)<br />

FIG U RA 7.18<br />

FIG U RA 7.19<br />

Rocas sedimentarias químicas (no carbonatos). (a) Salgema. (b) Yeso alabastrino, (c) Yeso rojo, (d) Silex.<br />

Rocas sedimentarias organógenas. (e) Caliza fosilífera (coquina), (f) Caliza tobácea, (g) Diatom ta. (h) Carbón.<br />

(Fotografías de Manuel Pozo.)<br />

INTRODUCCIÓN AL ANÁLISIS PETROGRÁFICO<br />

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