Tuma-1 Well, Lithologic Unit 1, 2900-2930: Albian - Cenomanian, Nigeria

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
informal Forma (informal PO) informal lawal
1 specimen
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
0 specimens
Equisetopsida - Cheirolepidiaceae
Classopollis sp. Pflug 1953
0 specimens
Classopollis brasiliensis Herngreen 1975
0 specimens
unclassified
Galeacornea causea Stover 1963
0 specimens
Galeacornea clavis Stover 1963
0 specimens
Algae - Botryococcaceae
Botryococcus bruni
0 specimens
unclassified
Monocolpites sp. Van der Hammen 1954
0 specimens
Polypodiopsida
Verrucosisporites sp. Potonie and Kremp 1954
0 specimens
Cycadopsida - Gnetales
Elaterosporites klaszii Jardiné 1967
1 specimen
Ginkgoopsida - Ephedrales
Ephedripites multicostatus Brenner 1963
0 specimens
Angiospermae - Malpighiales - Euphorbiaceae
Tricolporopollenites sp. Thomson and Pflug 1953
0 specimens
Tricolporopollenites informal spscl
0 specimens
Tricolporopollenites sp. SCL 152
Angiospermae
Triorites africaensis Jardiné and Magloire 1965
0 specimens
Retimonocolpites sp. Pierce 1961
0 specimens
Angiospermae - Gunnerales
Tricolpites sp. Couper 1953
0 specimens
Angiospermae - Buxales - Didymelaceae
Hexaporotricolpites emelianovi Boltenhagen 1967
0 specimens
Angiospermae - Austrobaileyales - Trimeniaceae
Cretacaeiporites polygonalis Herngreen 1974
0 specimens
Cretacaeiporites mulleri Herngreen 1973
0 specimens
Cretacaeiporites scabratus Herngreen 1974
0 specimens
Angiospermae
Monosulcites sp. Cookson and Couper 1953
0 specimens
Afropollis jardinus Doyle et al. 1982
3 specimens
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 sp. 5
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:2900-2930 m
Local order:top to bottom
Lithology and environment
Primary lithology:planar lamination,gray lithified argillaceous,silty "shale"
Lithology description: Lithologic unit 1 was found to be composed of light grey shale, clay laminae and shows no effervescence. The environment of deposition of this lithologic unit was deduced to be lacustrine environment.
Environment:lacustrine 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:139254
Authorizer:C. Jaramillo Enterer:G. Doria
Modifier:G. Doria Research group:paleobotany
Subset of collection #:139248
Created:2013-02-10 04:21:03 Last modified:2013-02-09 19:15:43
Access level:the public Released:2013-02-10 04:21:03
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]