Where: Amazonas, Brazil (4.4° S, 70.9° W: paleocoordinates 5.3° S, 66.7° W)
• coordinate stated in text
• small collection-level geographic resolution
When: A-E pollen zone, Ramon Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
• gray, yellow, orange to reddish sandy clays with sand intercalations in core interval 352 - 274 m
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithified, sandy lithology not reported
Size class: microfossils
Preservation: original sporopollenin
Collection methods: core,
Primary reference: C. Hoorn. 1993. Marine incursions and the influence of Adean tectonics on the Miocene depositional history of northwestern Amazonia: results of a palynostratigraphic study. Palaeogeography, Palaeoclimatology, Palaeoecology 105:267-309 [C. Jaramillo/C. Jaramillo]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 122032: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 15.12.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Angiospermae | |
Mauritiidites franciscoi van Hoeken-Klinkenberg 1964 palm | |
Psilastephanocolporites | |
Psilamonocolpites | |