BIBLIOGRAPHY OF SLATE. 1 .'><> 
Barrois (Charles). Recherches sur les terrains anciens des Asturies e1 de la < ralice; 
Lille, 1882. 
Phyllades du terrain Cambrien, pp. 22-28. 
Baur ( ). tiber die Lagerungder Dachschiefer, iiber Wetzschiefer und iiber 
die von der Schichtung abweichende Schieferung der Thonschiefer im ri©rd- 
westlichen Theile des Diirener Bergamts-Bezirks. 
Archiv fur Min. Geogn., etc. Von Karsten und von Dechen, vol. 20, p. 351, pi. 5; Berlin, 
Becker (G. F. ). Finite homogeneous strain, flow, and rupture of rocks. 
Bull. Geol. Soc. Am., Rochester, N. Y., vol. 4, 1893, p. 13. 
Becker (G. F.). Schistosity and slaty cleavage. 
Journal of Geology, Chicago, vol. 4, May-June, 1896, p. 429. 
Becker (G. F. ). Experiments on schistosity and slaty cleavage. 
Bull. U. S. Geol. Survey, No. 241, 1904. 
Bischof (Gustav). Lehrbuch der chemischen und physikalischen Geologie, 2d 
ed.; Bonn, 1866. 
Cause of discoloration, vol. 2, pp. 350-351, footnote. 
Chance (H. M.). The slate quarries [on the Delaware and Lehigh rivers in Penn- 
sylvania] in 1875; with four cross sections. 
Second Geol. Survey Pa., Report of Progress D3; vol.1, Lehigh and Northampton counties, pp. 
148-160, 1883. 
Credner (G. R. ). Das Grunschiefersystem von Hainichen im Konigr. Sachsen. 
Zeitschr. fur ges. Naturwissenschaften, vol. 47; Berlin, 1876. 
Dale (T. Nelson). The Rensselaer grit plateau in New York. 
Thirteenth Ann. Rept. U.S. Geol. Survey, 1891-92. The structure in black slate at the Lebanon 
Springs quarry, pp. 319-321 and PI. C. 
Dale (T. Nelson). The slate belt of eastern New York and western Vermont. 
Nineteenth Ann. Rept. U.S. Geol. Survey, 1899, pt. 3, pp. 153-307. 
Daubree (A.). Experiences sur la schistosite des roches et sur lea deformations don 
fossiles, correlatives de ce phenomene; consequences geologiques de ces 
experiences. 
Bull. Soc. Geo!. France, 3d ser., vol. 4, p. 529, 1876. Also Comptes Rendus Acad, des Sciences, vol. 
82, pp. 710-716; Paris, 1876. 
Daubree ( A.) . Etudes synthetiques de geologie experimentale, pp. 333-336, 392-482, 
442-445; Paris, 1879. 
De la Beche (Henry T. ). Geological Observer, 2d ed. ; London, 1853. 
Eckel (Edwin C. ). On a California roofing slate of igneous origin. 
Jour. Geol., vol. 12, pp. 15-24, No. 1, 1904. 
Eckel (Edwin C. ). On the chemical composition of American shale* and roofing 
slates. 
Jour. Geol., vol. 12, pp. 25-29, No. 1, 1904. 
Geinitz (E.). Der Phyllit von Rimogne in den Ardennen. 
Tschermaks Min. Mittheil. (neue folge), vol. 3, pp. 533-540, 1880. 
Gosselet (J.) Les schistes de Fumay. 
Annates de la Societe geologique du Nord, vol. 10, pp. 63-86; Lille, 1884. 
Gosselet (J. ). L'Ardenne. 
Memoires pour servir a l'explication de la carte geologique detaill£e de la France, pp. 26- 28, 33 35, 
54, 60-62; Paris, 1888. 
Gosselet (J.) et Malaise. Sur la terminaison oceidentale du massif ardoisier de 
Fumay. 
Ann. Soc. Geol. du Nord, vol. 22, pp. 59-64; Lille, 1898. 
Grtjbenmann (U.). Die kristallinen Schiefer. Parti; Berlin, 1904. 
[Metamorphism in schist and slate.] Struktur p. 71. textur i>. 84, kluftung p. 92. 
Gumbel. Geognost. Beschreib. des Fichtelgebirges; Gotha, 1879. 
