. Bulletin de la Société Impériale des Naturalistes de Moscou. Faille permienne à Karatchorowo. a. Argile rouge, m. Marne rouge pas- sant au gris-vert. m. st. Marnes stratifiées, f. Fer hydroxidé. /*. c. Mine- rai de fer carbonate, c. Calcaire permien (puissance reconnue ;> sagènes). Gisement régulier. Gisement irré Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moskovskoe obshchestvo liubitelei prirody.

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