Stirnas-18 908.0 - 907.5 m: Porkuni, Estonia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Orthotetida - Triplesiidae
Cliftonia aff. psittacina (Wahlenberg 1821)
Rhynchonellata - Athyridida - Meristellidae
Hindella sp. Davidson 1882
Hindella cf. cassidea (Dalman 1828)
see common names

Geography
Country:Estonia
Coordinates: 55.9° North, 21.6° East (view map)
Paleocoordinates:30.3° South, 1.3° West
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
Stage:Hirnantian 10 m.y. bin:Ordovician 5
Key time interval:Porkuni Other zone: Conochitina scabra
Age range of interval:445.20000 - 443.80000 m.y. ago
Stratigraphy
Formation:Kuldiga Member:Edole
Local section:Stirnas-18 Local bed:908.0 - 907.5 m
Local order:bottom to top
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:brown,gray silty "limestone"
Secondary lithology:gray,green silty,calcareous marl
Includes fossils?Y
Includes fossils?Y
Lithology description: Greenish-grey to grey silty calcareous marlstone intercalating with silty brownish-grey to grey limestone (Fig. 5J–L). Stromatolite-like microlaminated structures occur at some levels (Fig. 5K); strong bioturbation with burrows up to 2–3 mm in diameter is characteristic.
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:152046
Authorizer:P. Wagner Enterer:P. Wagner
Research group:marine invertebrate
Created:2013-11-03 19:59:01 Last modified:2013-11-03 19:59:01
Access level:the public Released:2013-11-03 19:59:01
Creative Commons license:CC BY
Reference information

Primary reference:
48617. L. Hints, O. Hints, D. Kaljo, T. Kiipli, P. Männik, J. Nõlvak, and H. Pärnaste. 2010. Hirnantian (latest Ordovician) bio- and chemostratigraphy of the Stirnas-18 core, western Latvia. Estonian Journal of Earth Sciences 59(1):1-24 [P. Wagner/P. Wagner]