254 ANNAL8 NEW YORK ACADEMY OF SCIENCES 



be local, but the section is of interest, as it is of the type familiar to those 

 who work in American coal fields. 



Eastward from the main outcrop, the southeast area of the Campagnac 

 system reaches almost to the village of Firmy and covers most of the area 

 north from Eiou Vieux. The road from Auzits to Firmy follows a very 

 tortuous line, as divides between the several streams are high and rather 

 rugged, showing the hard conglomerates of the Campagnac system. On 

 the ridge road, northeast from Auzits, one sees the reddish brown, more 

 or less conglomeratic beds of the Permian resting on the mica schist. 

 "Within an eighth of a mile the Coal Measures are reached, but the expo- 

 sures of conglomerate and shale are fragmentary. They belong to the 

 Auzits system and have northeasterly dips. As one descends from the 

 summit near la Vignerie towards la Bussiere, half a mile from Cransac, he 

 sees an occasional exposure of shale, with here and there something which 

 resembles a coal blossom and at times a block of conglomerate shows 

 itself. The deposits belong to the Campagnac and the traces of coal 

 mark places of the lower subdivisions of the Campagnac bed. At la 

 Bussiere, where the road crosses the Ruisseau de I'Enne, coal has been 

 mined, but the bed seems to be unimportant. 



From la Bussiere up to la Puech, the summit between Cransac and 

 Firmy, there are many though disconnected exposures, but, in the upper 

 part, there is an exposure of nearly 100 feet of shale, sandstone and con- 

 glomerate underlying a coal cropping near the summit. That coal seems 

 to be the highest of the Campagnac divisions, possibly the Couche de 

 Mazol. It underlies about 15 or 20 feet of shale on which rests a massive 

 conglomerate. When the summit is reached at la Puech, one sees the 

 bold conglomerate as a rounded boss descending toward Firmy. The 

 Bagnaud fault is crossed west from the summit, but it is obscure farther 

 toward the southeast, and it does not interfere with continuity of the sec- 

 tion. The conglomerates of the Campagnac system are sharply defined 

 to within half a mile of the village of Firmy. 



The second important area of the Campagnac is bounded at the south 

 by the Firmy fault. It extends continuously to the north end of the 

 basin and is limited at the west by the outcrop of the Bourran coal bed. 



Along the eastern outcrop, going northwardly from Firmy, the charac- 

 teristic conglomerates of the Campagnac system appear somewhat 

 abruptly at about half a mile from that village, the fault having been 

 crossed near the hamlet of la Foresie. The coal bed has been opened at 

 la Gouzinie and la Buscalie, but no work is in process. The dip at la 

 Buscalie is not wholly definite, but it is westerly at not more than 18 de- 

 grees. The important work in process, south from Eiou Mort, is at Tra- 



