Where: Neuquén, Argentina (38.1° S, 68.4° W)

• Paleocoordinates: 38.2° S, 55.0° W (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Nephrolithus frequens small shelly zone, Jagüel Formation (Malargüe Group), Late/Upper Maastrichtian (72.2 - 66.0 Ma)

• The section was collected at 50 cm intervals for the first 16 m of the Maastrichtian, followed by 20-25 cm spacing for the next 13 m up to 3.5 m above the K/T unconformity and at

•50 cm for the next 10 m of the Danian

• bed-level stratigraphic resolution

Environment/lithology: offshore; claystone

Size classes: macrofossils, mesofossils

Collection methods: core, chemical, hydrochloric, hydroflouric,

• For geochemical and mineralogical analyses, samples were dried, crushed, finely ground in an agate mill, and dried at 105 C.

•All sample material, including the washed residues and picked slides are curated in the Micropaleontology collection of Princeton University

Primary reference: G. Keller, T. Adatte, A. A. Tantawy, Z. Berner, W. Stinnesbeck, D. Stueben, and H. A. Leanza. 2007. High stress late Maastrichtian - early Danian palaeoenvironment in the Neuquén Basin, Argentina. Cretaceous Research 28(6):939-960 [E. Vlachos/F. Aspromonte/F. Aspromonte]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 232657: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 15.12.2023

Creative Commons license: CC0 (CC0)