Porcupine Seabight, Hole U1317E (Pleistocene of Ireland)

Also known as Reef 4074

Where: Ireland (51.4° N, 11.7° W: paleocoordinates 51.4° N, 11.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gelasian (2.6 - 1.8 Ma)

Environment/lithology: reef, buildup or bioherm; cherty/siliceous claystone and floatstone

• coral-bearing sediments and thickens to 155 m on the summit. The corals occur as gravel-sized fragments to branches of several centimeters long and trending right side up. They are embedded in a fine-grained matrix of clay and calcareous bioclasts, including nannofossils, foraminifers, mollusks, and echinoids. A 6-m-thick coral-bearing unit, overlying the regional unconformity, occurs 750 m downslope at Site U1316
• fine-grained matrix of clay and calcareous bioclasts

Size class: macrofossils

Primary reference: A. Kano, T. G. Ferdelman, T. Williams, J.-P. Henriet, T. Ishikawa, N. Kawagoe, C. Takashima, Y. Kakizaki, K. Abe, S. Sakai, E. L. Browning and X. Li. 2007. Age constraints on the origin and growth history of a deep-water coral mound in the northeast Atlantic drilled during Integrated Ocean Drilling Program Expedition 307. Geology 35(11):1051-1054 [W. Kiessling/M. Krause/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 152368: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 19.11.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Coccolithophyceae
 Isochrysidales - Noelaerhabdaceae
 Isochrysidales - Gephyrocapsaceae
 Prymnesiophycidae - Prymnesiophycidae
  -
Sphenolithus abies Deflandre 1954
Sphenolithus moriformis Bronnimann and Stradner 1960
Cyclicargolithus floridanus Roth and Hay 1967
 Zygodiscales - Pontosphaeraceae
Helicosphaera
  -
Helicosphaera carteri
  -
Helicosphaera carteri Wallich 1877
Reticulofenestra
  -
Foraminifera
 Globigerinoidea - Globigerinitidae
 Globigerinoidea - Globorotaliidae
"Globorotalia inflata" = Globoconella inflata d'Orbigny 1839
"Globorotalia scitula" = Globorotalia (Hirsutella) scitula Brady 1882
Globorotalia crassaformis Galloway and Wissler 1927
 Globigerinoidea - Globigerinidae
Orbulina universa d'Orbigny 1839
Globigerina bulloides d'Orbigny 1826
"Globigerina quinqueloba" = Turborotalita quinqueloba Natland 1938
Anthozoa
 Scleractinia - Oculinidae
Madrepora oculata Linnaeus 1758 stony coral
 Scleractinia - Caryophylliidae
Lophelia pertusa Linnaeus 1758 stony coral
abundant specimens
Bivalvia
 Nuculida - Praenuculidae
"Emiliania huxleyi" = Emiliodonta
"Emiliania huxleyi" = Emiliodonta clam
 Coccosphaerales - Calcidiscaceae
Calcidiscus sp. Kamptner 1950
Calcidiscus leptoporus Murray and Blackman 1898
Calcidiscus macintyrei Bukry and Bramlette 1969