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Landman, Neil H. [VerfasserIn]; Johnson, Ralph O. [VerfasserIn]; Garb, Matthew P. [VerfasserIn]; Edwards, Lucy E. [VerfasserIn]; Kyte, Frank Thomas, 1949- [VerfasserIn]

Cephalopods from the Cretaceous/Tertiary boundary interval on the Atlantic Coastal Plain, with a description of the highest ammonite zones in North America. Part 3, Manasquan River Basin, Monmouth County, New Jersey ; Bulletin of the American Museum of Natural History, no. 303 ; Manasquan River Basin, Monmouth County, New Jersey ; Cretaceous/Tertiary boundary cephalopods

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  • Medientyp: Sonstige Veröffentlichung; E-Book
  • Titel: Cephalopods from the Cretaceous/Tertiary boundary interval on the Atlantic Coastal Plain, with a description of the highest ammonite zones in North America. Part 3, Manasquan River Basin, Monmouth County, New Jersey ; Bulletin of the American Museum of Natural History, no. 303 ; Manasquan River Basin, Monmouth County, New Jersey ; Cretaceous/Tertiary boundary cephalopods
  • Beteiligte: Landman, Neil H. [VerfasserIn]; Johnson, Ralph O. [VerfasserIn]; Garb, Matthew P. [VerfasserIn]; Edwards, Lucy E. [VerfasserIn]; Kyte, Frank Thomas, 1949- [VerfasserIn]
  • Erschienen: New York, NY : American Museum of Natural History, 2007
  • Umfang: 37717026 bytes
  • Sprache: Englisch
  • Schlagwörter: Mollusks ; Stratigraphic correlation -- United States ; QH1 .A4 no.303 2007 ; Paleontology -- Atlantic Coast (U.S.) ; Paleontology -- Cretaceous -- New Jersey -- Manasquan Basin (Monmouth County) ; Paleontology -- New Jersey -- Manasquan Basin (Monmouth County) ; Cephalopoda ; Fossil -- Atlantic Coast (U.S.) ; Paleontology -- Cretaceous -- Atlantic Coast (U.S.) ; Cretaceous-Paleogene boundary -- Atlantic Coast (U.S.) ; Fossil -- New Jersey -- Manasquan Basin (Monmouth County) ; Ammonoidea -- New Jersey -- Manasquan Basin (Monmouth County)
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  • Beschreibung: 122 p. : ill. (some col.), maps (some col.); 26 cm. ; Includes bibliographical references (p. 111-122). ; Geological investigations in the upper Manasquan River Basin, central Monmouth County, New Jersey, reveal a Cretaceous/Tertiary (= Cretaceous/Paleogene) succession consisting of approximately 2 m of the Tinton Formation overlain by 2 m of the Hornerstown Formation. The top of the Tinton Formation consists of a very fossiliferous unit, approximately 20 cm thick, which we refer to as the Pinna Layer. It is laterally extensive and consists mostly of glauconitic minerals and some angular quartz grains. The Pinna Layer is truncated at the top and is overlain by the Hornerstown Formation, which consists of nearly equal amounts of glauconitic minerals and siderite. The base of the Hornerstown Formation is marked by a concentration of siderite nodules containing reworked fossils. This layer also contains a few fossils of organisms that were living in the environment during the time of reworking. At some downdip sites, there is an additional layer (the Burrowed Unit), which is sandwiched between the top of the Pinna Layer and the concentrated bed of nodules. This unit is very thin and is characterized by large burrows piping down material from above. The Pinna Layer is abundantly fossiliferous and represents a diverse, nearshore marine community. It contains approximately 110 species of bivalves, gastropods, cephalopods, echinoids, sponges, annelids, bryozoans, crustaceans, and dinoflagellates. The cephalopods include Eutrephoceras dekayi (Morton, 1834), Pachydiscus (Neodesmoceras) mokotibensis Collignon, 1952, Sphenodiscus lobatus (Tuomey, 1856), Eubaculites carinatus (Morton, 1834), Eubaculites latecarinatus (Brunnschweiler, 1966), Discoscaphites iris (Conrad, 1858), Discoscaphites sphaeroidalis Kennedy and Cobban, 2000, Discoscaphites minardi Landman et al., 2004b, Discoscaphites gulosus (Morton, 1834), and Discoscaphites jerseyensis, n.sp. The dinoflagellates include Palynodinium grallator Gocht, 1970, ...