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: marine; lithified, fine-grained, sandy sandstone
Size class: microfossils
• Other: Palynology
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 150037: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 31.08.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Pterospermella australiensis | |
Pterospermella cf. australiensis Deflandre and Cookson 1955 | |
Lycopodiopsida | |
Neoraistrickia truncata Potonié 1956 spikemoss | |
Algae | |
Botryococcus "spp." Kutzing 1849 | |
Pteridopsida | |
Deltoidospora minor Pocock 1970
Granulatisporites "sp." Potonié and Kremp 1954 (in Volkheimer, Caccavari de Filice and Sepúlveda, 1977)
| |
Polypodiopsida | |
Gleicheniidites senonicus Ross 1949 | |
Staplinisporites caminus | |
Staplinisporites caminus Pocock 1962 | |
Chlorophyceae | |
Pleurozonaria "spp." Wetzel 1933 | |
Dinophyceae | |
Ceratiaceae "indeterminate" Lindemann 1928 | |
Circulodinium distinctum Jansonius 1986 |