作者: Anthony G Coates , Donald F McNeill , Marie-Pierre Aubry , William A Berggren , Laurel S Collins
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摘要: We review the stratigraphy of Neogene rocks Bocas del Toro archipelago, western Caribbean coast Panama, and provide new geological maps a preliminary description formations on islands Bastimentos Colon. The Punta Alegre Valiente range in age from 19 to 12 Ma. After hiatus 8 Ma, transgressive/regressive sedimentary cycle is recorded by Tobobe, Nancy Point, Shark Hole, Cayo Agua, Escudo de Veraguas (=the Group), that 7.2-5.3 1.8 In contrast, northern region, Old Bank, La Gruta, Ground Creek units Swan Cay Formation only about 3.5 0.78 represented unconformity integrate geology archipelago into brief history lower Central American isthmus.