Geology and underground water resources of northern Louisiana (1906) (14783019913)
Summary
Identifier: geologyundergrou00veat (find matches)
Title: Geology and underground water resources of northern Louisiana
Year: 1906 (1900s)
Authors: Veatch, Arthur C. (from old catalog)
Subjects:
Publisher: (n. p.)
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress
Text Appearing Before Image:
, 495 ; see alsoCasey,Proc.Philadelphia Acad.Nat.Sci. for 190r, 1901,pp.513-518). < Fayette sands, Kennedy (Proc. Philadelphia Acad. Nat. Sci. for 1895, 1896, pp. 92, 95-99 ; Bull. U. S. Geol. Survey No. 212, 1903,p. 20, pi. 2). These, as defined by Kennedy, are largely Cata-houla (Grand Gulf), but include, near the base, Jackson fossils.(See Harris, Geol. Survey Louisiana, Rept. of 1902, p. 25 ; Veatch,ibid., p. 133). <Vicksburg, Hilgard (Am. Jour. Sci., 2d ser., vol. 48, 1869, pp. 340-341 ; Supplement and Final Report of a Geological Recon-naissance of Louisiana, New Orleans, 1873, PP- 18-19), whichincludes all the Jackson and Claiborne beds in Louisiana alongSabine River and a number of Jackson localities in easternLouisiana. ?^ Jackson group, Lerch (The hills of Louisiana south of the Vicks-burg, Shreveport and Pacific Railway (1893), pp. 88-91), whichincludes only a portion of the lower Claiborne.36Conrad, T. A., Proc. Philadelphia Acad. Nat. Sci., vol. 7, 1856, p. 257. 282
Text Appearing After Image:
veatch) Underground Water of Northern La. 35 undifferentiated eocene r The Eocene beds, which in central Louisiana, Mississippi andAlabama are fossiliferous, all become lignitiferous in the upperportion of the embayment. The marine fossils of the Sabine,lower Claiborne, and Jackson epochs each extend farther north-ward than those of the preceding epochs, but in each case thebeds bearing marine fossils grade into lignitiferous clays andsands containing no distinctive marine fossils. The first name given to this lignitiferous group, which can notbe separated except on structural grounds, was the Lagrange.This included all the Eocene beds in Tennessee above the Mid-way, and was afterwards quite logically extended by its author.Prof. J. M. Safford, State geologist of Tennessee, to include thelignitiferous sands and clays of Crowleys Ridge,^ which are of 37 Synoii)niy of the undifferentiated Eocene : = Nortbern lignitic, Hilgard (Geology of Mississippi, 1860 pp. 110- 123; Am. Jour. Sci , 3
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