GEOLEX

Summary of Citation: Manasquan

Publication:
Clark, W.B., 1893, A preliminary report on the Cretaceous and
   Tertiary formations of New Jersey: New Jersey Geological
   Survey Report of Progress, 1892, p. 167-245

Usage in Publication:
Manasquan marl

Modifications:	Geologic Province:	Dominant Lithology:
Named	Atlantic Coast basin	Marl Greensand

Summary:
Manasquan marl named for excellent section of strata on Manasquan River, Monmouth Co., east-central NJ. Consists of greensand throughout. Highly quartzose in lower 40 ft. The upper more glauconitic member, 25 ft thick, is known as the "ash marl." [Unconformably] underlies Shark River marl and conformably overlies Middle marl bed [Rancocas group].

Summary of Citation: Manasquan

Publication:
Owens, J.P., Bybell, L.M., Paulachok, G.N., Ager, T.A., Gonzalez,
   V.M. and Sugarman, P.J., 1988, Stratigraphy of the Tertiary
   sediments in a 945-foot-deep corehole near Mays Landing in
   the southeastern New Jersey coastal plain: U.S. Geological
   Survey Professional Paper, 1484, 39 p.

Usage in Publication:
Manasquan Formation*

Modifications:	Geologic Province:	Dominant Lithology:
Overview Biostratigraphic dating	Atlantic Coast basin	Sand Silt

Summary:
The Manasquan Formation, in outcrop east and southeast of Trenton and along the Manasquan River in NJ, consists of two informal members; a lower quartz glauconite sand and an upper clayey silt (the "ash marl" of Clark, 1893). The Manasquan, which is early Eocene in age, is represented by calcareous nannofossil Zones NP12, NP13, and lower NP14 of Martini (1971). It was deposited between 55.3 m.y. and 52.1 m.y. ago using the geochronology of Berggren and others (1985). Known to be at least 51 ft thick and unconformably overlain with a sharp contact by the Shark River Formation at the corehole site.

Summary of Citation: Manasquan

Publication:
Bybell, L.M., 1992, Calcareous nannofossils; their use in
   interpreting Paleocene and Eocene geologic events in New
   Jersey, IN Gohn, G.S., ed., Proceedings of the 1988 U.S.
   Geological Survey workshop on the geology and geohydrology
   of the Atlantic Coastal Plain: U.S. Geological Survey Circular,
   1059, p. 9-13

Usage in Publication:
Manasquan Formation*

Modifications:	Geologic Province:	Dominant Lithology:
Age modified	Atlantic Coast basin

Summary:
The Paleocene-Eocene boundary occurs within the [lower part of the] Manasquan between zones NP9 and 10. There appears to be continuous deposition across the boundary and NJ may have the best marine Paleocene-Eocene boundary section in the world. Unconformably overlies the Vincentown Formation.

Summary of Citation: Manasquan

Publication:
Bybell, L.M. and Self-Trail, J.M., 1994, Evolutionary,
   biostratigraphic, and taxonomic study of calcareous nannofossils
   from a continuous Paleocene-Eocene boundary section in New
   Jersey: U.S. Geological Survey Professional Paper, 1554, 36
   p.

Usage in Publication:
Manasquan Formation*

Modifications:	Geologic Province:	Dominant Lithology:
Overview	Atlantic Coast basin

Summary:
Paleocene-Eocene boundary occurs within Manasquan Formation, between calcareous nannofossil Zones NP9 and NP10. Continuous deposition across boundary is indicated. Cores GL913, GL915, and GL917, all located northwest of New Brooklyn in south-central NJ, show Manasquan correlating with calcareous nannofossil Zones NP 9 and NP 10. Unconformably underlies early Miocene Kirkwood Formation; conformably overlies late Paleocene Vincentown Formation. Correlates with Marlboro Clay and Nanjemoy Formation (separated by hiatus) of VA and MD, and with intertonguing Bashi and Hatchetigbee Formations of AL. Age is late Paleocene and early Eocene.

Summary of Citation: Manasquan

Publication:
Gibson, T.G. and Bybell, L.M., 1995, Sedimentary patterns across
   the Paleocene-Eocene boundary in the Atlantic and Gulf Coastal
   Plains of the United States, IN Laga, P., ed., Paleocene-Eocene
   boundary events; proceedings of the coordinators meeting:
   Bulletin de la Societe Belge de Geologie, v. 103, nos. 3-4,
   Brussels, Belgium, December 2-6, 1991, p. 237-265, International
   Geological Correlation Programme (IGCP) Project No. 308,
   Paleocene Eocene Boundary.

Usage in Publication:
Manasquan Formation*

Modifications:	Geologic Province:	Dominant Lithology:
Biostratigraphic dating	Atlantic Coast basin

Summary:
The Manasquan Formation in New Jersey spans calcareous nannofossil zones NP9 and NP10 and shows that there was continuous deposition across the Paleocene-Eocene boundary in the northern Atlantic Coast basin. The Paleocene-Eocene boundary occurs in the lower part of the formation. The Manasquan Formation correlates with the Marlboro Clay and Nanjemoy Formation of Virginia and Maryland.