Borehole 1439/2, Athboy, 645 m: Holkerian, Ireland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Globospiroplectammina sp.
Archaediscidae
Uralodiscus rotundus
? Glomodiscus sp.
Archaediscus involutus
Archaediscus concavus
Archaediscus (Nodosarchaediscus) sp.
Archaediscus inflexus
Archaediscus varsanofievae
Archaediscus tataricus
Archaediscus stilus
Endothyridae
Endothyranopsis ? pechorica
Pseudoammodiscidae
Pseudoammodiscus sp.
Tetrataxidae
Tetrataxis conica
Valvulinellidae
Valvulinella tchotchiai
Valvulinella cf. conciliata
unclassified
? Biorbis duplex
Chlorophyceae - Dasycladales
Koninckopora tenuiramosa
see common names

Geography
Country:Ireland County:Meath
Coordinates: 53.6° North, 6.9° West (view map)
Paleocoordinates:7.6° South, 2.2° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Carboniferous Epoch:Mississippian
Stage:Visean 10 m.y. bin:Carboniferous 2
Key time interval:Holkerian
Age range of interval:346.70000 - 340.20000 m.y. ago
Stratigraphy
Geological group:Fingal Formation:Lucan Member:5
Local section:1439/2 Local bed:645 m
Local order:top to bottom
Stratigraphic resolution:group of beds
Stratigraphy comments: 615.1-675.3 m, unit 5b (615.1-637.9 m) = Ardmulchan Member
Lithology and environment
Primary lithology: lithified "limestone"
Secondary lithology: lithified "shale"
Lithology description: bluish, mottled and bioturbated micrites with overlying skeletal packstones in the lower part, thick shales and mudstones alternating with thin limestones in the upper part (Ardmulchan Member)
Environment:slope
Geology comments: lower foreslope and basin margin
Taphonomy
Size of fossils:mesofossils,microfossils
Collection methods and comments
Collection methods:core,field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:78342
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate,micropaleontology
Created:2008-02-04 01:21:53 Last modified:2008-02-04 03:21:53
Access level:the public Released:2008-02-04 01:21:53
Creative Commons license:CC BY
Reference information

Primary reference:
26354.1% 5820P. Strogen, G. L. Jones, and I. D. Somerville. 1990. Stratigraphy and sedimentology of Lower Carboniferous (Dinantian) boreholes from west county Meath, Ireland. Geological Journal 25:103-137 [W. Kiessling/U. Merkel]