Also known as Humberto Campos (HC) Borehole

Where: Sergipe, Brazil (10.9° S, 37.1° W: paleocoordinates 17.5° S, 11.5° W)

• coordinate stated in text

When: Zone II pollen zone, Late/Upper Cenomanian (99.6 - 93.5 Ma)

Environment/lithology: terrestrial; lithified, argillaceous claystone and lithified, argillaceous shale

Size class: microfossils

Preservation: soft parts, original sporopollenin

Collection methods: chemical, hydrochloric, hydroflouric, sieve

Primary reference: G. F. W. Herngreen. 1975. Palynology of the Middle and Upper Cretaceous strata in Brazil. Medelingen Rijks Geologische Dienst, Nieuwe Serie 26:39-91 [C. Jaramillo/G. Doria/A. Cardenas ]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 144290: authorized by Carlos Jaramillo, entered by Gabriela Doria on 03.05.2013

Creative Commons license: CC BY (attribution)