Sierra del Infierno section, Sierra de los Organos, western Cuba - IV (Cretaceous of Cuba)
Where: Cuba (22.6° N, 83.8° W: paleocoordinates 5.8° N, 52.9° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Tumbadero Member (Guasasa Formation), Berriasian (145.5 - 140.2 Ma)
• member-level stratigraphic resolution
Environment/lithology: offshore shelf; lithified, fine-grained, black limestone and lithified, gray shale
• During the Early Cretaceous the environment of the Sierra de los Organos was one of deeper waters.
• 25-30 m. Black, fine-grained, bituminous, locally dolomitized limestone with thin intercalations of dark-grey shale and dark chert.
Size class: microfossils
Primary reference: R. Myczynski. 1989. Ammonite biostratigraphy of the Tithonian of Western Cuba. Annales Societatis Geologorum Poloniae 59:43-125 [M. Aberhan/S. Nurnberg] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 57202: authorized by Martin Aberhan, entered by Sabine Nürnberg on 09.12.2005