Where: Gombe, Nigeria (10.1° N, 10.7° E: paleocoordinates 5.6° S, 3.1° E)
• outcrop-level geographic resolution
When: Yolde and Gongila Formation, Cenomanian to Cenomanian (100.5 - 89.8 Ma)
• The Steevesipollenites binodosus Assemblage Zone (Cenomanian - Turonian) correlates to the Yolde and Gongila Formations.
Environment/lithology: terrestrial; lithified shale and lithified, fine-grained sandstone
•is dominantly a marine shale
•The Gongila Formation is the lateral equivalents of the Pindiga Formation which consists dominantly in marine shales facies with limestones at the base.
Size class: microfossils
Preservation: original sporopollenin
Primary reference: C. N. Nwojiji, P. Osterloff, A. Okoro and P. O. Ukeri. 2013. Palynostratigraphy and Age of the Sequence Penetrated by the Kolmani River 1 Well in the Gongola Basin, Northern Benue Trough, Nigeria. Journal of Geosciences and Geomatics 1(1):15-21 [C. Jaramillo/P. Santamarina]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 163724: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 10.11.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Pteridopsida | |
Leiotriletes "sp. A" Potonie and Kremp 1954 | |
Cycadopsida | |
Steevesipollenites orbiculatus Stover 1964 cycads
Steevesipollenites binodosus Stover 1964 cycads | |
Ginkgoopsida | |
Ephedripites "sp. 3" Bolkhovitina and PotoniƩ 1958 | |
Angiospermae | |
Cupanieidites "spp." Cookson and Pike 1954 soapberry | |
Retimonocolpites variplicatus Schrank and Mahmoud 1998 | |
Tricolpites psilatus Martin 1973 | |
Liliacidites "spp." Couper 1953 | |
Magnoliopsida | |
Striatricolporites "spp." Leidelmeyer 1966
Striatopollis "spp." Krutzsch 1959 |