Roaring Creek Coal/Black Shale Flora: Atokan, Indiana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Valvisporites sp. megaspore
Coniferales
Samaropsis sp. Göppert 1864
Samaropsis cf. crampii
Pteropsida
Alethopteris serlii
spelled with current rank as Pecopteris (Alethopteris)
Lycopsida
Lycospora granulata microspore
Polypodiopsida - Polypodiaceae
Laevigatosporites minutus
Laevigatosporites globosus
unclassified
Stigmaria ficoides Sternberg 1822
Lepidodendrales - Lepidodendraceae
Lepidodendron sp. Sternberg 1820
Lepidodendron aculeatum Sternberg 1820
Sigillariaceae
Sigillaria cf. brardii
Medullosaceae
Neuropteris scheuchzeri
unclassified
Trigonocarpus sp. Brongniart 1828
see common names

Geography
Country:United States State/province:Indiana
Coordinates: 39.0° North, 87.0° West (view map)
Paleocoordinates:8.7° South, 25.0° West
Geographic resolution:outcrop
Time
Period:Carboniferous Epoch:Pennsylvanian
10 m.y. bin:Carboniferous 4
*Period:Late/Upper Carboniferous *Epoch:Moscovian
*International age/stage:Vereiskian *Local age/stage:Late/Upper Atokan
Key time interval:Atokan
Age range of interval:318.40000 - 312.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Roaring Creek Coal
Regional section:Eastern Interior Coal Region
Stratigraphic resolution:group of beds
Stratigraphy comments: The above assignments are based on a correlation chart on pp.47-48 of the report (Fig. 1)
Lithology and environment
Primary lithology: bituminous coal
Secondary lithology:black,gray "shale"
Includes fossils?Y
Includes fossils?Y
Lithology description: lack shales occur in lower parts of the local sectionas laterally discontinuous ? They are relatively thin and confined to the upper or lower parts of the coal seams in the Block Coal part of the exposure...They are thinly bedded and contain abundant plant fragments on bedding planes.
Environment:mire/swamp
Geology comments: apparently represents a more clastic-rich environment than
Taphonomy
Size of fossils:macrofossils
Disassociated major elements:some
Disassociated minor elements:some
Collection methods and comments
Collection excludes:some microfossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collection method comments: The paper is hard to follow with respect to the relationships between the bituminous coals and paper coals.
Metadata
Database number:11199
Authorizer:H. Sims Enterer:S. Ostrowski
Modifier:A. McGowan Research group:paleobotany
Created:2001-07-23 09:01:16 Last modified:2003-07-11 10:28:14
Access level:the public Released:2001-07-23 09:01:16
Creative Commons license:CC BY
Reference information

Primary reference:
4127. W. A. DiMichele and G. Dolph. 1981. Compression floras of the Upper Mansfield/Lower Brazil and Upper Staunton Formation in Parke and Clay Counties, Indiana. Guidebook to Pennsylvanian Plant Localities, AIBS Field Trip No. 2. Indiana University Press, Bloomington, IN USA [H. Sims/S. Ostrowski]