Where: Argentina (39.3° S, 70.3° W: paleocoordinates 39.3° S, 29.3° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Behrendseni (Hillebrandt) ammonoid zone, Sierra Chacicó Formation, Early/Lower Pliensbachian (189.6 - 183.0 Ma)

• The sample was obtained 27 meters above the base of the unit, on the contact with the Lapa Formation.

Environment/lithology: marine; lithified, tuffaceous, gray siltstone

Size class: microfossils

Primary reference: I. Pujana. 1996. A new Lower Jurassic radiolarian from the Neuquén Basin, central west Argentina. XIII. Congreso Geológico Argentino y III Congreso de Exploración de Hidrocarburos, Actas 5:133-142 [J. Pálfy/A. Kocsis]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 119950: authorized by József Pálfy, entered by Adam Kocsis on 06.11.2011

Creative Commons license: CC BY (attribution)