Where: Doceava Región, Chile (52.8° S, 68.7° W)
• Paleocoordinates: 52.4° S, 29.9° W (Wright 2013)
• coordinate estimated from map
• local area-level geographic resolution
When: Springhill Formation, Valanginian to Valanginian (137.1 - 121.4 Ma)
Environment/lithology: offshore; lithified, fine-grained, sandy sandstone
Size class: microfossils
• Other: Palynomorphs
Preservation: soft parts, original sporopollenin
Collected by ENAP Oil Company
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 150035: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 31.08.2013
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Dinophyceae | |
Cleistosphaeridium "sp." Davey 1966 | |
Oligosphaeridium complex Davey and Williams 1966
Oligosphaeridium cf. poculum Jain 1977 | |
Dicotyledoneae | |
Retiacolpites "sp." Schrank and Mahmoud 2002 |