Colchester (No. 2) Coal Member Maceration 1386 A-B: Bashkirian - Gzhelian, Illinois
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Elaterites triferens microspore
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Schopfites carbondalensis microspore
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Schopfites colchesterensis microspore
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Schopfites dimorphus microspore
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Schopfites cf. dimorphus microspore
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Kewaneesporites reticuloides microspore
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Spackmanites cf. facierugosus microspore
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Vestispora colchesterensis microspore
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Vestispora fenestrata microspore
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Vestispora foveata microspore
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Vestispora laevigata microspore
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Vestispora profunda microspore
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Vestispora pseudoreticulata microspore
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Mooreisporites inusitatus microspore
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Grumosisporites cf. rufus microspore
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Crassispora plicata microspore
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Cadiospora fithiana microspore
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Cadiospora magna microspore
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Vallatisporites informal sp. 1 microspore
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Reinschospora magnifica microspore
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Reinschospora triangularis microspore
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Savitrisporites asperatus microspore
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Savitrisporites majus microspore
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Torispora securis microspore
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Wilsonites delicatus microspore
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Wilsonites vesicatus microspore
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Hymenospora multirugosa microspore
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Hymenospora paucirugosa microspore
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Paleospora fragila microspore
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Complexisporites chalonerii microspore
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Occurrence of the single specimen observed may be due to contamination of sample | ||||||||||
Alatisporites hexalatus microspore
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Alatisporites punctatus microspore
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Alatisporites trialatus microspore
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Raistrickia aculeolata microspore
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Raistrickia breveminens microspore
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Raistrickia carbondalensis microspore
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Raistrickia crinita microspore
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Raistrickia crocea microspore
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Raistrickia dispar microspore
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Raistrickia cf. fibrata microspore
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Raistrickia irregularis microspore
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Raistrickia lacerata microspore
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Raistrickia lowellensis microspore
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Raistrickia pilosa microspore
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Raistrickia pontiacensis microspore
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Raistrickia solaria microspore
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Raistrickia subcrinita microspore
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Raistrickia superba microspore
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Raistrickia informal sp. 1 microspore
Potonié and Kremp 1954
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Raistrickia informal sp. 3 microspore
Potonié and Kremp 1954
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Cristatisporites alpernii microspore
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Florinites antiquus microspore
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Florinites grandis microspore
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Florinites similis microspore
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Florinites visendus microspore
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Densosporites cf. lobatus microspore
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Densosporites sphaerotriangularis microspore
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Densosporites triangularis microspore
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Dictyotriletes densoreticulatus microspore
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Dictyotriletes distortus microspore
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Dictyotriletes cf. reticulocingulum microspore
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Triquitrites additus microspore
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Triquitrites bransonii microspore
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Triquitrites crassus microspore
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Triquitrites desperatus microspore
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Triquitrites dividuus microspore
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Triquitrites exiguus microspore
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Triquitrites minutus microspore
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Triquitrites protensus microspore
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Triquitrites pulvinatus microspore
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Triquitrites sculptilis microspore
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Triquitrites spinosus microspore
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Triquitrites subspinosus microspore
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Triquitrites trigonappendix microspore
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Triquitrites informal sp. 1 microspore
Wilson and Coe
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Triquitrites cf. additus microspore
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Triquitrites cf. arculatus microspore
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Vesicaspora wilsonii microspore
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Lycopodiopsida
- Lycopodiales
- Lycopodiaceae
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Reticulatisporites lacunosus microspore
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Reticulatisporites informal sp. 1 microspore
Ibrahim 1933
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unclassified
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Camptotriletes bucculentus microspore
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Camptotriletes triangularis microspore
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Thymospora pseudothiessenii microspore
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Indospora boletus microspore
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Cirratriradites annulatus microspore
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Cirratriradites annuliformis microspore
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Knoxisporites rotatus microspore
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Endosporites globiformis microspore
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Endosporites plicatus microspore
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Converrucosisporites subverrucosus microspore
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Lycopsida
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Lycospora brevijuga microspore
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Lycospora granulata microspore
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Lycospora paulula microspore
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Lycospora punctata microspore
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Lycospora subjuga microspore
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Lycospora torquifer microspore
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unclassified
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Microreticulatisporites sulcatus microspore
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Apiculatisporis abditus microspore
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Apiculatisporis lappites microspore
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Apiculatisporis setulosus microspore
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Pteridopsida
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Leiotriletes levis microspore
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Leiotriletes notatus microspore
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Leiotriletes pseudolevis microspore
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Leiotriletes gracilis microspore
Menéndez 1965
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Leiotriletes adnatoides microspore
Potonié and Kremp 1954
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Granulatisporites granularis microspore
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Granulatisporites livingstonensis microspore
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Granulatisporites pannosites microspore
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Granulatisporites informal sp. 1 microspore
Potonié and Kremp 1954
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Granulatisporites cf. parvus microspore
Potonié and Kremp 1954
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Polypodiopsida
- Schizaeales
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Convolutispora cf. florida microspore
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Convolutispora fromensis microspore
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Convolutispora informal sp. 2 microspore
Hoffmeister et al. 1955
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Polypodiopsida
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Verrucosisporites compactus microspore
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Verrucosisporites donarii microspore
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Verrucosisporites firmus microspore
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Verrucosisporites microtuberosus microspore
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Verrucosisporites verrucosus microspore
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Verrucosisporites informal sp. 1 microspore
Potonie and Kremp 1954
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Polypodiopsida
- Polypodiaceae
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Laevigatosporites desmoinensis microspore
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Laevigatosporites globosus microspore
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Laevigatosporites medius microspore
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Laevigatosporites minutus microspore
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Laevigatosporites ovalis microspore
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Laevigatosporites vulgaris microspore
Ibrahim 1933
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Laevigatosporites punctatus microspore
Venkatachala and Kar 1968
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unclassified
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Punctatisporites aerarius microspore
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Punctatisporites decorus microspore
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Punctatisporites minutus microspore
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Punctatisporites nahannensis microspore
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Punctatisporites obliquus microspore
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Punctatisporites orbicularis microspore
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Punctatisporites cf. pseudolevatus microspore
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Punctatisporites vermiculatus microspore
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Punctatisporites informal sp. 1 microspore
Potonié and Kremp 1954
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Lophotriletes commissuralis microspore
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Lophotriletes copiosus microspore
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Lophotriletes cf. granoornatus microspore
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Lophotriletes mosaicus microspore
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Lophotriletes pseudaculeatus microspore
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Lophotriletes rarispinosus microspore
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Lophotriletes informal sp. 1 microspore
Potonié and Kremp 1954
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Sphenopsida
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Calamospora breviradiata microspore
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Calamospora flava microspore
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Calamospora hartungiana microspore
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Calamospora minuta microspore
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Calamospora mutabilis microspore
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Calamospora pedata microspore
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Calamospora straminea microspore
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unclassified
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Acanthotriletes dimorphus microspore
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Maculatasporites punctatus microspore
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Angiospermae
- Buxales
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Tuberculatosporites robustus microspore
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unclassified
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Anapiculatisporites grundensis microspore
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Anapiculatisporites spinosus microspore
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Cyclogranisporites cf. aureus microspore
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Cyclogranisporites breviradiata microspore
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Cyclogranisporites micaceus microspore
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Cyclogranisporites microgranus microspore
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Cyclogranisporites minutus microspore
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Cyclogranisporites staplini microspore
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Cyclogranisporites informal sp. 1 microspore
Potonié and Kremp 1954
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Perotriletes parvigracilus microspore
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Pustulatisporites crenatus microspore
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Pustulatisporites informal sp. 1 microspore
Potonié and Kremp 1954
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see common names |
Geography
Country: | United States | State/province: | Illinois |
Coordinates: | 40.0° North, 88.0° West (view map) | ||
Paleocoordinates: | 6.5° South, 24.3° West | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | small collection |
Time
Period: | Carboniferous |
*Period: | Late/Upper Carboniferous |
Key time interval: | Bashkirian - Gzhelian |
Age range of interval: | 323.20000 - 298.90000 m.y. ago |
* legacy (obsolete) database fields |
Stratigraphy
Geological group: | Kewanee | Formation: | Carbondale | Member: | Colchester (No. 2) Coal |
Regional section: | Illinois Basin | ||||
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | coal |
Lithology description: From Peppers 1970 page 35, "The Colchester (No. 2) Coal is the basal member of the Carbondale Formation of Illinois (Kosanke et. al, 1960, .34). It is the most widedspread coal in the Illinois Basin and probably is not only the most widely traceable but also one of the most economically important coals in North America. In Illinois it attains its maximum thickness of about 4 feet in the western and northern part of the state, where it is extensivly mined." | |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | mold/impression,original carbon |
Size of fossils: | microfossils |
Collection methods and comments
Collection methods: | core,chemical,mechanical,field collection |
Reason for describing collection: | taxonomic analysis |
Taxonomic list comments:The microfossils of the No. 2 Coal from the area of the type locaity in McDonough COunty (sample site 1, macerations 1386-A and 1386-B), where it is 24 inches thick, are being reported for the first time. The coal there yielded 96 taxa, the maximum number foud at any single locality of the No. 2 Coal. |
Metadata
Database number: | 23577 | ||
Authorizer: | H. Sims | Enterer: | H. Lindon, J. Cassara |
Modifier: | A. McGowan | Research group: | paleobotany |
Created: | 2002-07-17 07:47:06 | Last modified: | 2003-10-09 15:17:11 |
Access level: | the public | Released: | 2002-07-17 07:47:06 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
6718. | R. A. Peppers. 1970. Correlation and Palynology of Coals in the Carbondale and Spoon Formations (Pennsylvanian) of the Northeastern Part of the Illinois Basin. Illinois State Geological Survey Bulletin 93:1-174 [H. Sims/H. Lindon/J. Cassara] |