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The AAPG/Datapages Combined Publications Database

AAPG Bulletin

Abstract


Volume: 33 (1949)

Issue: 2. (February)

First Page: 223

Last Page: 247

Title: Tertiary Formations of Panama Canal Zone and Adjoining Parts of Panama

Author(s): W. P. Woodring (2), T. F. Thompson (3)

Abstract:

The Tertiary formations of the Canal Zone and adjoining parts of Panama range in age from late Eocene to late Miocene, or possibly early Pliocene. New formation and member names--Gatuncillo formation, Quebrancha limestone member of Caimito formation, La Boca formation, and Pedro Miguel agglomerate--proposed in official Panama Canal reports are defined.

Fossils from Vamos Vamos, a submerged locality in the Gatun Lake area, are considered early Oligocene in age. The fossiliferous strata at that locality are inferred to represent a marine tongue in the essentially non-marine Bohio formation.

The late Eocene Gatuncillo formation is strongly transgressive; the middle and late(?) Miocene Gatun formation is also transgressive; the late Oligocene(?) and early Miocene Culebra formation and the late Miocene or early Pliocene(?) Chagres sandstone represent minor overlaps.

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