Title: The American journal of science
Identifier: americanjournal411896newh (find matches)
Year: 1880 (1880s)
Authors:
Subjects: Science
Publisher: New Haven : J. D. & E. S. Dana
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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22 Stanton and Yaughan—Section of the
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taensis and Nodosaria texana. e. with Cyprimeria. e. Sandy layer. Sandstone, white, yellow, or brownish, with shale beds 200 ft. ± Clay shales, with bands of limestone nodules, contain- ing great numbers of a large Exogyra 40 ft. Hard limestone with the same species of Exogyra in the top 15 ft. Sandstone, white or brown, 30 ft. + Upper part of the bed, clay shales alternating with brown sandy flags. Brown sandy calcareous layers at base, containing Gryphcea washitaensis Hill and Nodosaria texana in great abundance. The G. ivashitaensis is confined to base. 30 ft. above the base, Ostrea subovata. Ostrea quadri- plicate Shum. very abund- ant between 30 and 40 ft. 40 ft. above base zone of Kingena wacoensis 60 ft. Flaggy argillaceous lime- stone, with shale partings. Layer of sandy flags at base. In the sandy flags, Cyprimeria. In the lime- stone bands Schloenbachia leonensis, Gryphwa washi- taensis, Protocardia, Tri- gonia emoryi. The zone of G. washitaensis is at the top ... 100 ft. Clay shales, with indurated calcareous bands. No fos- sils were found 125 ft. Ledges of hard limestone. Fossils not numerous; at the base, there is a con- siderable number of an undetermined species of Gryphcea, Gryphaza tucum- carii, JVeithea, and Schloen- bachia 25 ft. Kingena wacoensis, Ostrea quadriplicata, Ostrea subovata. b. Gryphcea washi- Gryphcea ivashitaensis. d. Sandy layer

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