CA 87 - 1975 (Cretaceous to of Chile)

Where: Doceava Región, Chile (52.8° S, 68.7° W: paleocoordinates 52.1° S, 30.1° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Springhill Formation, Valanginian to Valanginian (139.8 - 125.0 Ma)

Environment/lithology: terrestrial; lithified, sandy sandstone

• Continental
• Breccioid sandstone

Size class: microfossils

• Other: Palynomorphs

Preservation: soft parts, original sporopollenin

Collected by ENAP Oil Company of Chile.

Collection methods: core, chemical, hydrochloric, hydroflouric

• The material was provided by the ENAP Oil Company of Chile.

Primary reference: M. E. Quattrocchio, M. A. Martínez, A. Carpinelli Pavisich and W. Volkheimer. 2006. Early Cretaceous palynostratigraphy, palynofacies and palaeoenvironments of well sections in northeastern Tierra del Fuego, Argentina. Cretaceous Research 27:584-602 [C. Jaramillo/P. Santamarina]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 150014: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 30.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Pinopsida
 Pinales - Podocarpaceae
 Pinales - Araucariaceae
Pteridopsida
 Gleicheniales - Gleicheniaceae
 Cyatheales - Dicksoniaceae
Cibotiidites auriculatus Archangelsky and Villar de Seoane 1998
Cibotiumspora
  -
Lycopsida
  - Selaginellaceae
Ceratosporites equalis Cookson and Dettmann 1958
  - Lycopodiaceae
Retitriletes austroclavatidites Döring et al. 1963
Foraminisporis
  -
Foraminisporis "sp." Krutzsch 1959
 Gymnospermophyta -
Balmeiopsis limbatus
  -
Balmeiopsis limbatus Archangelsky 1977