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| 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 |
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| Title: | 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 |
| Other Titles: | Manasquan River Basin, Monmouth County, New Jersey Cretaceous/Tertiary boundary cephalopods. |
| Authors: | Landman, Neil H. Johnson, Ralph O. Garb, Matthew P. Edwards, Lucy E. Kyte, Frank Thomas, 1949- |
| Issue Date: | 2007 |
| Publisher: | New York, NY : American Museum of Natural History |
| Series/Report no.: | Bulletin of the American Museum of Natural History, no. 303 |
| Abstract: | "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 betwe... |
| Description: | 122 p. : ill. (some col.), maps (some col.); 26 cm. Includes bibliographical references (p. 111-122). |
| URI: | http://hdl.handle.net/2246/5850 |
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