Search Results - Open Polar - "geomagnetism"

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Correlation of Late Jurassic and Early Cretaceous zonation events in ODP and DSDP Atlantic and Indian Ocean sites (Table 5)

by Gradstein, Felix M, Huang, Zehui, Merrett, Doug, Ogg, James G
Published 1992
“... occurrences (FO/LO) of calcareous nannofossils, foraminifers, and dinocysts, and geomagnetic reversal...”

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Nannofossil datums and occurrence of microspherules in Upper Eocene sediments of the lower latitudes (Table 1), supplement to: Wei, Wuchang (1995): How many impact-generated micros...

by Wei, Wuchang
Published 1995
“... saipanensis is 34.0 +/- 0.2 Ma and that of Chiasmolithus grandis is 37.0 +/- 0.2 Ma in the geomagnetic...”

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