Ragley Lumber #D1 well - 10721ft: Eocene, Louisiana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Calamuspollenites spp. microspore
3 specimens
Casurinidites pulcher microspore
1 specimen
Tiliaepollenites spp. microspore
1 specimen
Nudopollis terminalis microspore
3 specimens
Thompsonipollis magnificus microspore
5 specimens
Sterisporites bujargensis microspore
1 specimen
Sterisporites bimammatus microspore
1 specimen
Inapertisporites spp. microspore
1 specimen
Diporicellaesporites spp. microspore
1 specimen
Monoporisporites spp. microspore
1 specimen
Lycopodophyta informal Trilete spore spp. microspore
3 specimens
Cedripites spp. microspore
1 specimen
Divisisporites spp. microspore
13 specimens
Angiospermae - Malvales - Bombacaceae
Bombacacidites spp. microspore
1 specimen
Angiospermae - Fabales - Fabaceae
Margocolporites kruschii microspore
1 specimen
Angiospermae - Malpighiales - Euphorbiaceae
Tricolporopollenites spp. microspore
2 specimens
Angiospermae - Fagales - Fagaceae
Cupuliferoipollenites spp. microspore
1 specimen
Angiospermae - Fagales - Juglandaceae
Platycaryapollenites platycaryoides microspore
1 specimen
Momipites spp. microspore
1 specimen
Caryapollenites prodromus-imparalis type microspore
5 specimens
(Nichols and Ott, 1978)
Caryapollenites spp. microspore
1 specimen
Angiospermae - Gunnerales
Tricolpites hians microspore
1 specimen
Angiospermae - Proteales - Proteaceae
Triporopollenites spp. microspore
14 specimens
Angiospermae - Caryophyllales - Chenopodiaceae
Chenopodipollis spp. microspore
1 specimen
Angiospermae - Liliaceae
Liliacidites spp. microspore
2 specimens
Magnoliopsida
Favitricolporites baculoferous microspore
4 specimens
Basopollis obscurocostatus microspore
1 specimen
Coniferales
Coniferales informal Bisaccate spp. microspore
22 specimens
Coniferales - Cupressaceae
Taxodium spp. microspore
20 specimens
Pinopsida - Pinales - Pinaceae
Pinuspollenites spp. microspore
2 specimens
Piceapollenites spp. microspore
1 specimen
Lycopodiopsida - Lycopodiales - Lycopodiaceae
Hamulatisporites amplus microspore
1 specimen
Lycopodiumsporites spp. microspore
1 specimen
Polypodiopsida - Polypodiaceae
Verrucatosporites spp. microspore
17 specimens
Polypodium spp. microspore
2 specimens
Laevigatosporites spp. microspore
24 specimens
Polypodiopsida - Gleicheniaceae
Gleicheniidites spp. microspore
3 specimens
Polypodiopsida - Schizaeales - Schizaeaceae
Microfoveolatosporites spp. microspore
1 specimen
Cicatricosisporites dorogensis microspore Potonie and Gelletich 1933
28 specimens
unclassified
Microreticulatisporites spp. microspore
2 specimens
Pteridopsida
Deltoidospora spp. microspore
3 specimens
Leiotriletes spp. microspore
20 specimens
Osmundacidites spp. microspore
1 specimen
unclassified
Converrucosisporites spp. microspore
1 specimen
Microfoveolatosporis pseudodentatus microspore
1 specimen
Chlorophyceae
Pediastrum spp. microspore
2-9 category
unclassified
Perotriletes spp. microspore
1 specimen
Quercoidites spp. microspore
1 specimen
see common names

Geography
Country:United States State/province:Louisiana County:Allen
Coordinates: 30.0° North, 92.0° West (view map)
Paleocoordinates:31.6° North, 81.0° West
Time
Period:Paleogene Epoch:Eocene
10 m.y. bin:Cenozoic 2-3
*Period:Early/Lower Tertiary - Early/Lower Tertiary *Epoch:Eocene - Eocene
*Local age/stage:Clairbornian - Clairbornian
Key time interval:Eocene
Age range of interval:56.00000 - 33.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Wilcox
Stratigraphy comments: Gregory and Hart (1995a, pollen and spores) do not recognize the Clairbornian in the core, but in Gregory and Hart (1995, dinoflagellates), they do. Both papers look at the same samples from the same core and derive different age assignments because they treat each independently. RAL elected to enter a uniform age assignment for both papers.
Lithology and environment
Lithology description: """"50 siltstones and shale samples"""" - individual sample lithology not specified
Environment:deltaic indet. Tectonic setting:passive margin
Geology comments: Although the authors discuss prodelta and delta front as depositional environments, they do not specify explicitly which they choose. The most specific correct entry is thus selected here.
Taphonomy
Modes of preservation:original chitin,original sporopollenin
Size of fossils:microfossils
Collection methods and comments
Collection methods:core,chemical
Reason for describing collection:paleoecologic analysis
Collection method comments: Author uses 'r' to denote 'single occurrence' and 's' to denote '1



Comments on the taxonomic list: