Tuma-1 Well, Lithologic Unit 2, 3230-3260 m: Albian - Cenomanian, Nigeria

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
informal Forma (informal PO) informal lawal
2 specimens
Cyathiditesw sp.
0 specimens
informal Smoothverrucose informal spore
0 specimens
informal Trilete informal Spore
0 specimens
informal Dinoflagellate informal cyst
0 specimens
Equisetopsida - Cupressales
Inaperturopollenites sp. Potonié 1966
1 specimen
Equisetopsida - Cheirolepidiaceae
Classopollis sp. Pflug 1953
2 specimens
Classopollis brasiliensis Herngreen 1975
2 specimens
unclassified
Galeacornea causea Stover 1963
0 specimens
Galeacornea clavis Stover 1963
0 specimens
Algae - Botryococcaceae
Botryococcus bruni
1 specimen
unclassified
Monocolpites sp. Van der Hammen 1954
0 specimens
Polypodiopsida
Verrucosisporites sp. Potonie and Kremp 1954
1 specimen
Cycadopsida - Gnetales
Elaterosporites klaszii Jardiné 1967
0 specimens
Ginkgoopsida - Ephedrales
Ephedripites multicostatus Brenner 1963
0 specimens
Angiospermae - Malpighiales - Euphorbiaceae
Tricolporopollenites sp. Thomson and Pflug 1953
0 specimens
Tricolporopollenites informal spscl
0 specimens
Angiospermae
Triorites africaensis Jardiné and Magloire 1965
2 specimens
Retimonocolpites sp. Pierce 1961
0 specimens
Angiospermae - Gunnerales
Tricolpites sp. Couper 1953
1 specimen
Angiospermae - Buxales - Didymelaceae
Hexaporotricolpites emelianovi Boltenhagen 1967
2 specimens
Angiospermae - Austrobaileyales - Trimeniaceae
Cretacaeiporites polygonalis Herngreen 1974
0 specimens
Cretacaeiporites mulleri Herngreen 1973
1 specimen
Cretacaeiporites scabratus Herngreen 1974
1 specimen
Angiospermae
Monosulcites sp. Cookson and Couper 1953
0 specimens
Afropollis jardinus Doyle et al. 1982
1 specimen
Magnoliopsida
Tricolporites sp. Cookson 1947
0 specimens
Dinophyceae - Gonyaulacales
Batiacasphaera sp. Drugg 1970
0 specimens
Dinophyceae - Peridiniales - Peridiniaceae
Senegalinium sp. Jain and Millepied 1973
0 specimens
synonym of Deflandrea
Senegalinium bicavatum Jain and Millepied 1971
0 specimens
see common names

Geography
Country:Nigeria State/province:Maiduguri
Coordinates: 12.1° North, 13.1° East (view map)
Paleocoordinates:5.4° South, 5.3° East
Time
Period:Cretaceous
Key time interval:Albian - Cenomanian Pollen zone:
Age range of interval:113.00000 - 93.90000 m.y. ago
Stratigraphy
Geological group:Bornu Basin Formation:Bima
Local section:Tuma-1 Well Local bed:3230-3260 m
Local order:top to bottom
Lithology and environment
Primary lithology:grading,bioturbation,fine,medium,ferruginous lithified sandy sandstone
Lithology description: lithologic unit II is predominantly composed of sandstone, fine to granule in size, angular to rounded, moderate sorting and moderate porosity, feruginised and strongly associated with rootling. It is rarely intercalated with thin shale beds. The upper part of the sandstone body shows an upward coarsening sequence (3310m-3230m) compared to the underlying massive sandstone bed. The associated characteristics suggest a sandstone body deposited in a fluvial environment.
Environment:fluvial indet.
Taphonomy
Modes of preservation:original sporopollenin
Size of fossils:microfossils
Collection methods and comments
Collection excludes:all microfossils
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:139265
Authorizer:C. Jaramillo Enterer:G. Doria
Modifier:G. Doria Research group:paleobotany
Subset of collection #:139249
Created:2013-02-10 04:47:58 Last modified:2013-02-09 19:25:00
Access level:the public Released:2013-02-10 04:47:58
Creative Commons license:CC BY
Reference information

Primary reference:

44705. A. O. Ola-Buraimo and O. A. Boboye. 2011. Palynological Investigation of the Albian to Lower Cenomanian Bima Formation, Bornu Basin, Nigeria. World Applied Sciences Journal 12(7):1026-1033 [C. Jaramillo/G. Doria]