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Barker, P.F., Camerlenghi, A., Acton, G.D., and Ramsay, A.T.S. (Eds.) Proceedings of the Ocean Drilling Program, Scientific Results Volume 178
 

Summary: Barker, P.F., Camerlenghi, A., Acton, G.D., and Ramsay, A.T.S. (Eds.)
Proceedings of the Ocean Drilling Program, Scientific Results Volume 178
36. MAGNETOBIOCHRONOLOGIC SYNTHESIS
OF ODP LEG 178 RISE SEDIMENTS
FROM THE PACIFIC SECTOR
OF THE SOUTHERN OCEAN:
SITES 1095, 1096, AND 11011
Masao Iwai,2 Gary D. Acton,3 David Lazarus,4 Lisa E. Osterman,5
and Trevor Williams6
ABSTRACT
During Ocean Drilling Program (ODP) Leg 178, eight holes were
drilled at three sites (1095, 1096, and 1101) on the continental rise
along the western Antarctic Peninsula. The rise sediments proved to be
good paleomagnetic recorders and provided continuous magnetostrati-
graphic records at all three sites. Biosiliceous microfossils, particularly
diatoms and radiolarians, were present in the upper Miocene through
lower Pliocene sections. In the upper Pliocene to Pleistocene sections,
biosiliceous microfossils were rare but calcareous nannofossils and fora-
minifers were present. This paper summarizes the biostratigraphy and
magnetostratigraphy of Leg 178 continental rise sites and is the first at-

  

Source: Acton, Gary - Department of Geology, University of California, Davis

 

Collections: Geosciences