428 STEVENSON— INTERRELATIONS OF FOSSIL FUELS. 



the western side but thence, northward and eastward, the changes 

 are as interesting as those in the Anthracite region of the United 

 States. Five seams are mined at Zabrze; but just west from Beu- 

 then, one finds that the thick parting between numbers i and 2 and 

 the interval rocks between 4 and 5 have disappeared; at Konigs- 

 hiitte, the 3d seam has become united to 4 and 5, so that now there 

 are but the Upper seam, representing i and 2, and the Lower seam, 

 representing 3, 4 and 5. But, at a short distance farther west, near 

 Kattonitz, these two seams are so near together that they are mined 

 as one. At the west, the coal of Sattelflotz beds is to the other rocks 

 as one to nineteen, but at the eastern border it is thicker than the 

 other rocks. Whether or not the newer seams overlap the older 

 ones after union does not appear from the reports. 



The same features are shown by the Saarbriick complex, which 

 is present chiefly in the central portion of the field. Near Nikolai, 

 Sohrau and Pless, it is 2,667 meters thick, with at least 253 coal 

 seams, 45 being workable with about 75 meters of coal ; but near 

 Beuthen, 20 miles north, the Ruda beds, which near Nikolai are 

 589 meters thick with 49 meters of coal, are oiily 248 meters with 

 11.93 of coal; while in the Galician region the whole Saarbriick is 

 but 1,014 meters with 35 seams and somewhat more than 60 meters 

 of coal. The Ostrau-Karwin region is in Austria. The Ostrau 

 beds occupy the Ostrau trough and most of the Peterswald. The 

 Sattelflotz beds, as shown by Petrascheck and Mladek since the 

 publication of Dannenberg's work, are present in the west side of 

 Karwin trough, passing under the Saarbriick farther east. Marine 

 deposits are characteristic of the Ostrau beds here as also in the 

 northern areas. The number of coal seams is great and the quan- 

 tity of coal makes the district important — in contrast with the other 

 districts, where the Ostrau coals are almost unimportant. 



Goeppert,-'^ three-quarters of a century ago, studied the Silesian 

 and Galician portions of this region. His investigations were made 

 largely from the paleobotanist's standpoint, so that he had little in- 

 terest in correlation and still less in economic studies. 



Conglomerates are not wanting but the pebbles are rarely larger 



27 H. R. Goeppert, " Abhandlung eingesandte als Antwort auf die Preis- 

 t»-age, etc.," Leiden, 1848, pp 107-206. 



