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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 56 (1972)

Issue: 11. (November)

First Page: 2271

Last Page: 2272

Title: Subsurface Section from Portuguese Guinea Dated by Palynomorphs as Middle Silurian: GEOLOGICAL NOTES

Author(s): Fritz H. Cramer (2), Maria del Carmen R. Diez de Cramer (2)


Well-preserved, abundant palynologic microfossil assemblages (acritarchs and chitinozoans) determine the age of the black shales below the Albian unconformity in Esso Guine well PGO-1, Portuguese Guinea, as Wenlockian.

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