|
Analysis Type
Palynology
Analysis Number
261433
Analyst
STOIAN, L.M.
Analysis Date
7/04/2003
Preservation
Good
Yield
Fair
Barren
N
Slide in Storage
Y
Analysis Comments
Around 200 taxa have been counted. Sample was dominated by organic matter and vitrinite, with less frequent pollen-spores grains.
Bio.Youngest.Age
Eocene, Late
Bio.Oldest
Eocene, Late
Paleo Environment
Swamp (coastal)
Freshwater dinoflagellate cysts are present in low frequencies.
Paleo Vegetation
Rainforest
Nothofagus rainforest developed with common Casuarinaceae and Podocarpaceae. Proteaceae are rare and less diverse. Tree ferns and terrestrial lycopods are very rare.
Min Biostrat Zone 1
UPPER NOTHOFAGIDITES ASPERUS
The zone is assigned based on the presence of Proteacidites rectomarginis, P. crassus, Triporopollenites delicatus, T. ambiguus.
Max Biostrat Zone 2
Pollen dominance is shared between Nothofagidites species, Casuarinaceae and Podocarpaceae. Proteaceae are rare and less diverse. Accessory species include Australopollis obscurus, Proteacidites beddoesii, P. latrobensis, P. obscurus.
|