Borehole 1-QS-1-MA, Sample 9: Late/Upper Albian - Early/Lower Cenomanian, Brazil

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Hexapororicolpites emilianovi
6 specimens
Psilatrilestes sp.
Sofreipites legouxae
Tetradites sp. Van der Hammen 1954
31 specimens
Tricolpates informal div. 1 sp.
1 specimen
Acritarch indet.
2 specimens
Foraminifera indet. Eichwald 1830
9 specimens
Lycopodiopsida - Lycopodiales - Lycopodiaceae
Lycopodiumsporites sp. Delcourt and Sprumont 1955
unclassified
Retitriporites sp. Ramanujam 1966
Angiospermae
Retimonocolpites sp. Pierce 1961
6 specimens
Reticulatasporites jardinus
8 specimens
    = Afropollis jardinus Doyle et al. 1982
Saad 1978
Triorites sp. Couper 1953
Triorites africaensis Jardiné and Magloire 1965
Stephanocolpites sp. Van der Hammen 1954
Angiospermae - Austrobaileyales - Trimeniaceae
Cretacaeiporites scabratus Herngreen 1974
10 specimens
Cretacaeiporites mulleri Herngreen 1973
57 specimens
Angiospermae
Monosulcites sp. Cookson and Couper 1953
Angiospermae - Buxales - Didymelaceae
Hexaporotricolpites lamellaferus Jardiné 1972
Angiospermae - Gunnerales
Tricolpites indet. Couper 1953
Pteridopsida
Osmundacidites cf. primarius
Cyathidites sp. Couper 1953
Polypodiopsida - Schizaeales - Schizaeaceae
Klukisporites sp. Couper 1958
Cicatricosisporites mohroides
Cicatricosisporites sp. Potonie and Gelletich 1933
Cicatricosisporites hallei Delcourt and Sprumont 1955
unclassified
Verrutriletes informal sp. 1 Pierce 1961
Verrutriletes informal sp. 2 Pierce 1961
Verrutriletes informal sp. 3 Pierce 1961
Verrutriletes informal sp. 4 Pierce 1961
Cycadopsida - Gnetales
Steevesipollenites multilineatus Stover 1964
Steevesipollenites binodosus Stover 1964
4 specimens
Elaterocolpites castelani Herngreen 1973
3 specimens
Elaterosporites klaszi Jardiné 1967
5 specimens
Elaterosporites protensus Jardiné 1967
Elaterosporites verrucatus Jardiné 1967
Cycadopsida - Cycadales
Eucommiidites sp. Erdtman 1948
Ginkgoopsida - Ephedrales
Ephedripites barghorrrnii
Ephedripites brasiliensis
5 specimens
Ephedripites informal sp. 1 Bolkhovitina and Potonié 1958
4 specimens
Ephedripites informal sp. 10 Bolkhovitina and Potonié 1958
1 specimen
Ephedripites informal sp. 11 Bolkhovitina and Potonié 1958
Ephedripites informal sp. 2 Bolkhovitina and Potonié 1958
37 specimens
Ephedripites informal sp. 3 Bolkhovitina and Potonié 1958
5 specimens
Ephedripites informal sp. 4 Bolkhovitina and Potonié 1958
Ephedripites informal sp. 5 Bolkhovitina and Potonié 1958
4 specimens
Ephedripites informal sp. 6 Bolkhovitina and Potonié 1958
Ephedripites informal sp. 7 Bolkhovitina and Potonié 1958
Ephedripites informal sp. 8 Bolkhovitina and Potonié 1958
Ephedripites informal sp. 9 Bolkhovitina and Potonié 1958
1 specimen
Ephedripites jansonii Muller 1968
unclassified
Striatricolpites informal sp. 1 Van der Hammen 1956
20 specimens
nomen nudum belonging to Plantae
Striatricolpites informal sp. 2 Van der Hammen 1956
nomen nudum belonging to Plantae
Scabramonocolpites sp. Mathur 1966
Galeacornea causea Stover 1963
7 specimens
Retitricolpites informal sp. 1 Van der Hammen 1956
24 specimens
Retitricolpites informal sp. 2 Van der Hammen 1956
Retitricolpites informal sp. 3 Van der Hammen 1956
1 specimen
Retitricolpites informal sp. 4 Van der Hammen 1956
Retitricolpites informal sp. 5 Van der Hammen 1956
Retitricolpites operculatus Herngreen 1973
5 specimens
Triporites sp. Van der Hammen 1954
Psilatricolpites informal sp. 1 Van der Hammen and Wijmstra 1964
47 specimens
Psilatricolpites informal sp. 2 Van der Hammen and Wijmstra 1964
15 specimens
Psilatricolpites informal sp. 3 Van der Hammen and Wijmstra 1964
9 specimens
Psilatricolpites spp.
2 specimens
Equisetopsida - Cheirolepidiaceae
Classopollis informal greaterthanthirty
23 specimens
Classopollis informal lessthanthirty
Classopollis spinosus
unclassified
Senegalosporites petrobrasi Herngreen 1973
1 specimen
Chomotriletes sp. Naumova 1953
Reyrea polymorphus Herngreen 1973
Elateropollenites jardinei Herngreen 1973
Perotriletes pannuceus Brenner 1963
1 specimen
see common names

Geography
Country:Brazil State/province:Maranhao County:Primeur a Cruz, Queimadas
Coordinates: 3.7° South, 44.6° West (view map)
Paleocoordinates:10.9° South, 18.9° West
Time
Period:Cretaceous
Key time interval:Late/Upper Albian - Early/Lower Cenomanian
Age range of interval:106.20000 - 93.90000 m.y. ago
Stratigraphy
Formation:Queimadas
Local section:Queimadas Local bed:1030-1036 m
Local order:top to bottom
Lithology and environment
Primary lithology: lithified argillaceous sandstone
Secondary lithology: lithified "shale"
Lithology description: The upper 85 m consist of Rrapidly alternating sandstones, shales, marls and limestones passing into a 300 m thick interval of marls and mainly lemestones with decreasing clay content. The lower 500 meters are dominated by shales with occasionally limestone beds; at the top 200 m frequently marls are interbeded
Environment:deltaic indet.
Taphonomy
Modes of preservation:soft parts,original sporopollenin
Size of fossils:microfossils
Collection methods and comments
Collection methods:chemical,hydrochloric,hydroflouric,sieve
Reason for describing collection:biostratigraphic analysis
Metadata
Also known as:Barreninhas Basin
Database number:142280
Authorizer:C. Jaramillo Enterer:G. Doria
Research group:paleobotany
Created:2013-04-07 11:40:56 Last modified:2013-04-06 20:40:56
Access level:the public Released:2013-04-07 11:40:56
Creative Commons license:CC BY
Reference information

Primary reference:
43911. G. F. W. Herngreen. 1973. Palynology of the Albian-Cenomanian strata of Borehole 1-QS-1-MA, State of Maranhao, Brazil. Pollen et Spores 15(3-4):515-555 [C. Jaramillo/G. Doria/A. Cárdenas]

Secondary references:

46914 S. I. Saad. 1978. Plynological studie in the Egyptian Western Desert: Umbarka IX Borehole. Pollen et Spores 20(2):261-301 [C. Jaramillo/G. Doria/A. Cárdenas]