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Re: Newark Supergroup
Title: Re: Newark Supergroup
It's principally biostratigraphic: the pollen
indicates Jurassic for the youngest strata:
Fowell, S.J. and A. Traverse.
1995. Palynology and age of the upper Blomidon Formation, Fundy Basin,
Nova Scotia. Review of Palaeobotany and Palynology
86:211-233.
Cornet, B., A. Traverse and
N.G. McDonald. 1973. Fossil spores, pollen, and fishes from
Connecticut indicate Early Jurassic age for part of the Newark Group.
Science 182:1243-1247.
Olsen, P.E., S.J. Fowell and
B. Cornet. 1990. The Triassic/Jurassic boundary in continental rocks
of eastern North America; a progress report; pp. 585-593 in V. L.
Sharpton and P. D. Ward (eds.), Global Catastrophes in Earth History;
an Interdisciplinary Conference on Impacts, Volcanism, and Mass
Mortality. Geological Society of America Special Paper 247. Geological
Society of America, Boulder.
for general newark strat see:
Olsen, P.E. 1980. Triassic and
Jurassic formations of the Newark Basin; pp. 2-39 in W. Manspeizer
(eds.), Field Studies of New Jersey Geology and Guide to Field Trips.
52nd Annual Meeting Guidebook. Rutgers University,
Olsen, P.E. 1978. On the use
of the term Newark for Triassic and Early Jurassic rocks of eastern
North America. Newsletter of Stratigraphy 7:90-95.
Olsen, P.E. 1980. The latest
Triassic and Early Jurassic formations of the Newark Basin (eastern
North America, Newark Supergroup): stratigraphy, structure, and
correlation. Bulletin of the New Jersey Academy of Sciences
25:25-51.
Froelich, A.J. and P.E. Olsen.
1984. Newark Supergroup, a revision of the Newark Group in eastern
North America. U.S. Geological Survey Bulletin
1537A:A55-A58.
Olsen, P.E. and H.-D. Sues.
1986. Correlation of continental Late Triassic and Early Jurassic
sediments, and patterns of the Triassic-Jurassic tetrapod transition;
pp. 321-351 in K. Padian (eds.), The Beginning of the Age of
Dinosaurs. Cambridge University Press, Cambridge.
Olsen, P.E. 1990. Tectonic,
climatic, and biotic modulations of lacustrine ecosystems - Examples
from the Newark Supergroup of eastern North America; pp. 209-224 in B.
J. Katz (eds.), Lacustrine Basin Exploration - Case Studies and Modern
Analogs. American Association of Petroleum Geologists Memoir
50.
Olsen, P.E. 1997.
Stratigraphic record of the early Mesozoic breakup of Pangea in the
Laurasia-Gondwana rift system. Annual Review of Earth and Planetary
Sciences 25:337-401.
the position of the spore spike using paleomag
(so the position of the TJB can be found
independent of biostrat!) e.g.:
Olsen, P.E., D.V. Kent, B.
Cornet, W.K. Witte and R.W. Schlische. 1996. High-resolution
stratigraphy of the Newark Rift Basin (Early Mesozoic, eastern North
America). Geological Society of America Bulletin
108:40-77.
Olsen's TJ studies homepage:
http://www.ldeo.columbia.edu/~polsen/nbcp/trjworkinggroup.html
Olsen's publications:
http://www.ldeo.columbia.edu/~polsen/nbcp/peo.cv2.html
hope this helps,
emma
--
Emma C. Rainforth
Geosciences Rm. 206E
Lamont-Doherty Earth Observatory
Rt. 9W
Palisades
NY 10964-8000
ph. (845) 365-8621
fax (801) 838-4126
emmar@ldeo.columbia.edu
http://www.ldeo.columbia.edu/~emmar/research/indexr.html