by Roberto SP. de Ocampo


Since the discovery of the first mammalian fossil (Elephas beyeri) by a Cuban geologist named Andrew Benitz in Cabarruyan Island, west of Bolinao, Pangasinan in 1911 (G.H.R. Von Koenigswald, 1956), no geological work has been made in Bolinao and the Cabarruyan Island to map the Pleistocene strata in which mammalian fossils were found. Numerous workers have made some significant discoveries and obtained a large quantity of materials (e.g. stegodon and elephas fossils) but no detailed description of the strata has been previously given.


A geological study was made in Bolinao, Pangasinan and the vicinity especially Cabarruyan Island, to establish a fundamental rock stratigraphic unit to map and to describe in details this fossiliferous area.


This report will further describe the Pleistocene geology including the upper tertiary sediments to provide a sound basis for interpreting the stratigraphy, structure, geomorphology, paleontology and geologic history of the place. Consequently, it could lead towards a better understanding of the history of life and of early man in the Philippines.


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