. Annals of the New York Academy of Sciences. Science. MOOE, STUDY OF THE MORRISON FORMATION 97 Feet 10. Reddish and brown shales and clays 49 11. Dark fossiliferous limestone with Camptonectes and 2 12. Greenish shales with dark bands of clay and sandstone, with clay containing concretions of limestone rich in fossils. Fos- sils present: Belemnites, Pentacrinus, Astarta, Grammato- don, Ostr^ea, Pseudom-onotis, Pleuromia, Pinna, Lima, Megal- neusaurus, Baptanodon and Plesiosaurus 50 13. Gray sandstone 4 14. Red and brown shales with concretions and a few fossils 44 15. White sandsto
. Annals of the New York Academy of Sciences. Science. MOOE, STUDY OF THE MORRISON FORMATION 97 Feet 10. Reddish and brown shales and clays 49 11. Dark fossiliferous limestone with Camptonectes and 2 12. Greenish shales with dark bands of clay and sandstone, with clay containing concretions of limestone rich in fossils. Fos- sils present: Belemnites, Pentacrinus, Astarta, Grammato- don, Ostr^ea, Pseudom-onotis, Pleuromia, Pinna, Lima, Megal- neusaurus, Baptanodon and Plesiosaurus 50 13. Gray sandstone 4 14. Red and brown shales with concretions and a few fossils 44 15. White sandstone with upper band containing fossils 30 Total marine beds [Shirley or Sundance] 179. Pig. .59.—Section of the Morrison forma- tion at Red Mountain, Wyoming. Scale, 125 feet to 1 inch. (Knight.) Fig. 60.—Section of the Morrison forma- tion at Red Mountain, Wyoming. 1.—Morrison formation ; 2.—Sundance formation. Scale, 125 feet to 1 Inch. (Darton.) Red Mountain Section Cretaceous: Dakota removed but present in most instances. Jurassic: 1. Drab marls and clay with two thin bands of limestone and one of chert and chalcedony with Dinosaur remains 35 2. Drab limestone 2 3. Variegated marls with Dinosaur remains 38 4. Gray limestone 1 5. Drab marls and clays 39 6. Gray sandstone 6 7. Drab marls and clays 69 8. Gray sandstone and some conglomerate 20 9. Drab and red marls and clays 25 Total, all fresh-water beds 235. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York Academy of Sciences. New York, New York Academy of Sciences
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1877
