IKU Stratigraphic Drilling Projects 1982 - 1993

Publications

Bugge, T., Elvebakk, G., Fanavoll, S., Mangerud, G., Smelror, M., Weiss, H.M., Gjelberg, J., Kristensen, S.E. &  Nilsen, K.,  2002: Shallow stratigraphic drilling applied in hydrocarbon exploration of the Nordkapp Basin, Barents Sea. Marine and Petroleum Geology 19, 13-37. http://dx.doi.org/10.1016/S0264-8172(01)00051-4.

Bugge, T. & Fanavoll, S., 1995: The Svalis Dome, Barents Sea - a geological playground for shallow stratigraphic drilling. First Break, 13 (6), 237-251.

Bugge, T., Knarud, R. & Mørk, A., 1984: Bedrock geology on the mid-Norwegian continental shelf. In: Spencer, A.M. et al. (eds.), Petroleum Geology of the North European Margin. Norwegian Petroleum Society, Graham & Trotman, 271-283.

Bugge, T., Mangerud, G., Elvebakk, G., Mørk, A., Nilsson, I., Fanavoll, S. & Vigran, J.O. 1995: The Upper Paleozoic succession on the Finnmark Platform, Barents Sea. Norsk Geologisk Tidsskrift, 75, 3-30.

Bugge, T., Prestvik, T., Rokoengen, K. 1980: Lower Tertiary volcanic rocks off Kristiansund, Mid Norway. Marine Geology 35, 277-286, 6 figs.

Bugge, T., Ringås, J.E., Leith, D.A., Mangerud, G., Weiss, H.M. & Leith, T.L., 2002: Upper Permian as a new play model on the Mid-Norwegian continental shelf; investigated by shallow stratigraphic drilling. AAPG Bulletin 86, 107-127.

Cecchi, M., 1992: Carbonate sequence stratigraphy: application to the determination of play models in the Upper Palaeozoic of the Barents Sea, offshore northern Norway. In Vorren, T.O. Bergsager, E., Dahl -Stamnes, Ø.A., Holter, E., Johansen, B., Lie, E. & Lund, T.B. (eds.): Arctic Geology and Petroleum Potential, 419 -438. Norwegian Petroleum Society Special Publication 2, Elsevier, Amsterdam.

Dallmann, W.K., 1999: Palaeozoic. In Dallmann, W.K. 1999 (ed.), Lithostratigraphic lexicon of Svalbard. Review and recommendations for nomenclature use. Upper Palaeozoic to Quaternary bedrock. 127—214. Norsk Polarinstitutt, Tromsø.

Dypvik, H., Gudlaugsson, S.T., Tsikalas, F., Attrep, M., Ferrell, R.E., Krinsley, D.H., Mørk, A., Faleide, J.I. & Nagy, J., 1996: Mjølnir structure: An impact crater in the Barents Sea. Geology 24, 779-782.

Egorov, A.Y. & Mørk, A., 2000: The East Siberian and Svalbard Triassic successions and their sequence stratigraphical relationships. Zbl. Geol. Paläont. Teil 1. 1377-1430.

Ehrenberg, S.N., Pickard, N.A.H., Svånå, T.A., Nilsson, I. & Davydov, V.I., 2000: Sequence stratigraphy of the inner Finnmark carbonate platform (Upper Carboniferous-Permian), Barents Sea - correlation between well 7128/6-1 and the shallow IKU cores. Norsk Geologisk Tidsskrift 80, 129-162.

Hald, M., Sættem, J., Nesse, E., 1990: Middle and Late Weichselian stratigraphy in shallow drillings from the southwestern Barents Sea: foraminiferal, amino acid and radiocarbon evidence. Norsk Geologisk Tidsskrift 70, 241-257

Hochuli, P.A., Colin, J.P. & Vigran, J.O., 1989: Triassic biostratigraphy of the Barents Sea area. In Collinson, J.D. (ed.), Correlation in Hydrocarbon Exploration, Norwegian Petroleum Society, Graham & Trotman, 131-153.

Isaksen, G.H. 1996: Organic geochemistry and geohistory of the Triassic succession of Bjørnøya; Barents Sea. Organic Geochemistry 24(3), 333-349. doi:10.1016/0146-6380(96)00024-1

Isaksen, G.H. & Bohacs, K.M. 1995: Geological controls of source rock geochemistry through relative sea level; Triassic, Barents Sea. In Katz, B. (ed.): Petroleum Source Rocks, Springer Verlag., 25-50.

Johansen, S.E., Ostisty, B.K., Birkeland, Ø., Fedorovski, Y.F., Martirosjan, V.N., Christensen, O.B., Cheredeev, S.I., Ignatenko, E.A. & Margulis, L.S., 1992: Hydrocarbon potential in the Barents Sea region: play distribution and potential. In Vorren, T.O, Bergsager, E., Dahl -Stamnes, Ø.A., Holter, E., Johansen, B., Lie, E. & Lund, T.B. (eds.): Arctic Geology and Petroleum Potential, 273 -320. Norwegian Petroleum Society Special Publication 2, Elsevier, Amsterdam.

Langrock, U., 2003: Late Jurassic to Erly Cretaceous black shale formation and paleoenvironment in high northern latitudes. [Spätjurassische bis Frühkretazische Schwarzschiefergenese und Paläoumwelt in hohen nördlichen Breiten.] Berichte zur Polar- und Meeresforschung 472: 144 pp. [identical with PhD thesis; English with German abstract].

Langrock, U. and Stein, R., 2004: Origin of marine petroleum source rocks from the Late Jurassic to Early Cretaceous Norwegian Greenland Seaway—evidence for stagnation and upwelling. Marine and Petroleum Geology 21: 157–176.

Langrock, U., Stein, R., Lipinski, M. & Brumsack, H.-J., 2003 (article in proof): Late Jurassic to Early Cretaceous black shale formation and paleoenvironment in high northern latitudes: Examples from the Norwegian-Greenland Seaway. Paleoceanography 18: 16 pp. doi:10.1029/2002PA000867, also at http://epic.awi.de/Publications/Lan2003d.pdf

Langrock, U., Stein, R., Lipinski, M. and Brumsack, H.-J., 2003: "Paleoenvironment and sea-level change in the early Cretaceous Barents Sea—implications from near-shore marine sapropels." Geo-Marine Letters 23(1): 34-42. doi:10.1007/s00367-003-0122-5, also at http://epic.awi.de/Publications/Lan2003c.pdf

Larssen, G.B., Elvebakk, G., Henriksen, L.B., Kristensen, S.E., Nilsson, I., Samuelsberg, T.J., Svånå, T.A. & Stemmerik, L., 2002: Upper Palaeozoic lithostratigraphy of the southern Norwegian Barents Sea. Norwegian Petroleum Directorate, Bulletin.

Leereveld, H. & Smelror, M., 1988: Tethyan/Boreal/Arctic correlation of Berriasian-Barremian dinoflagellate successions. Stuifmail 6, 64-65.

Leith, T.L., Ritter, U., Smelror, M. & Sylta, Ø., 1992: Cenozoic uplift and erosion of the Barents Sea - evidence from the Svalis Dome area. In:Vorren, T. O. et al. (eds.), Arctic Geology and Petroleum Potential, NPF Special Publication no. 2, Elsevier Sci.Publ., 643-664

Leith, T.L., Weiss, H.M., Mørk, A., Århus, N., Elvebakk, G., Embry, A.F., Brooks, P. W., Stewart, K.R., Pchelina, T.M., Bro, E.G., Verba, M.L., Danyushevskaya, A. & Borisov, A.V., 1992: Mesozoic hydrocarbon source-rocks of the Arctic region. In: Vorren, T.O. et al. (eds.): Arctic Geology and Petroleum Potential, NPF Special Publication no. 2, Elsevier Sci. Publ., 1-25.

Lipinski, M., B. Warning & H.-J. Brumsack, 2003: Trace metal signatures of Jurassic/Cretaceous black shales from the Norwegian Shelf and the Barents Sea. Palaeogeography, Palaeoclimatology, Palaeoecology 190, 459-475.

Løseth, H., Lippard, S. J., Sættem, J., Fanavoll, S., Fjerdingstad, V., Leith, T. L., Ritter, U., Smelror, M., & Sylta, Ø., 1992. Cenozoic uplift and erosion of the Barents Sea- evidence from the Svalis Dome area. In Vorren, T. et al. (eds.): Arctic Geology and Petroleum Potential. NPF Special Publication 2, 643-664.

Løseth, H. and Tveten, E. 1996: Post-Caledonian structural evolution of the Lofoten and Vesterålen offshore and onshore areas. Norsk Geologisk Tidsskrift 76(4): 215-230.

Mutterlose, J., Brumsack, H. -J., Floegel, S., Hay, W. W., Klein, C., Langrock, U., Lipinski, M., Ricken, W., Soeding, E., Stein, R., Swientek, O., 2003: The Greenland-Norwegian Seaway: A key area for understanding Late Jurassic to Early Cretaceous paleoenvironments, Paleoceanography, 18(1), 1010-____, doi:10.1029/2001PA000625, 2003. Abstract:  http://www.agu.org/pubs/crossref/2003/2001PA000625.shtml

Mutterlose, J. & Kessels, K. 2000: Early Cretaceous calcareous nannofossils from high latitudes: implications for palaeobiogepgraphy and palaeoclimate. Palaeogeography, Palaeoclimatology, Palaeoecology 160, 347-372. doi:10.1016/S0031-0182(00)00082-1

Mørk, A. [Moerk] 1994: Triassic transgressive-regressive cycles of Svalbard and other Arctic areas: a mirror of stage subdivision. In: Guex, G. & Baud, A. (eds.): Recent developments on Triassic Stratigraphy, Mémoires de Géologie (Lausanne), 22, 69-82.

Mørk, A., 1997: Triassic sequences, stages and high order sequence boundaries. Albertiana 19, 9-11.

Mørk, A., Dallmann, W.K, Dypvik, H., Johannessen, E.P., Larssen, G.B., Nagy, J., Nøttvedt, A., Olaussen, S., Pchelina, T.M. & Worsley, D., 1999: Mesozoic lithostratigraphy. In: Dallmann, W.K. (ed.), Lithostratigraphic lexicon of Svalbard. Review and recommendations for nomenclature use. Upper Palaeozoic to Quaternary bedrock. 127—214. Norsk Polarinstitutt, Tromsø.

Mørk, A. & Elvebakk, G., 1999: Lithological description of subcropping Lower and Middle Triassic rocks from the Svalis Dome, Barents Sea. Polar Research 18, 83-104.

Mørk, A., Egorov, A.Y. & Embry, A.F., 1994: Base Olenekian and base Anisian sequence boundaries produced by Triassic circumpolar 'synchronous' transgressions. In: Thurston, D.K. & Fujita, K. (eds.), International Conference on Arctic Margins 1992 Proceedings. OCS Study MMS 94-0040 U.S. Department of the Interior, Mineral Management Service, Alaska OCR Region. 9-14.

Mørk, A., Embry, A.F. & Weitschat, W., 1989: Triassic transgressive-regressive cycles in the Sverdrup Basin, Svalbard and the Barents Shelf. In: Collinson, J.D. (ed.): Correlation in Hydrocarbon Exploration. Norwegian Petroleum Society. Graham and Trotman Ltd., 113-130.

Mørk, A. & Smelror, M., in press: Correlation and Non-correlation of High Order Circum-Arctic Mesozoic Sequences. Proceedings from International Conference on Arctic Margins 1998, Celle, Polarforschung. Bremerhaven.

Mørk, A. & Smelror, M., 2001: Correlation and non-correlation of high hrder circum-Arctic Mesozoic sequences. Polarforschung 69, 65-72.

Mørk, A., Vigran, J.O., Korchinskaya, M.V., Pchelina, T.M., Fefilova, L.A., Vavilov, M.N. & Weitschat, W., 1992: Triassic rocks in Svalbard, the Arctic Soviet islands and the Barents Shelf: bearing on their correlations. In: Vorren, T.O. et al. (eds.): Arctic Geology and Petroleum Potential, NPF Special Publication no. 2, Elsevier Sci. Publ., 457-479.

Mørk, M.B.E., 1999: Compositional variations and provenance of Triassic sandstones from the Barents Shelf. Journal of Sedimentary Research 69, No. 3, 690-710.

Mørk, M.B.E. & Duncan, R.A., 1993: Late Pliocene basaltic volcanism on the western Barents Shelf margin: implications from petrology and 40Ar-39Ar dating of volcaniclastic debris from a shallow drill core. Norsk Geologisk Tidsskrift 73, 209-225.

Mørk, M.B.E., Leith, D.A. & Fanavoll, S., 2001: Origin of carbonate cemented beds on the Naglfar Dome, Vøring Basin, Norwegian Sea. Marine and Petroleum Geology 18, 223-234.

Mørk, M.B.E., McEnroe, S.A. & Olesen, O., 1999: Magnetic properties of Mesozoic sediments off Mid Norway – distribution and origin. EAGE meeting, Helsinki 7-11 June 1999, Extended abstract, pp.4.

Mørk, M.B.E., McEnroe, S.A. & Olesen, O., 2002: Magnetic susceptibility of Mesozoic and Cenozoic sediments off Mid Norway and the role of siderite: Implications for interpretation of high-resolution aeromagnetic anomalies. Marine and Petroleum Geology 19, 1115-1126. http://dx.doi.org/10.1016/S0264-8172(02)00115-0

Mørk, M.B.E. & Stiberg, J.-P., 2003: Basement erosion and Mesozoic sandstone provenance in the Møre margin area. Extended abstract, NPF conference: Petroleum exploration and production in environmentally sensitive areas, Ålesund 5-7 May 2003, 41-44.

Mørk, M.B.E., Vigran, J.O., Smelror, M., Fjerdingstad, V. & Bøe, R., 2003: Mesozoic mudstone compositions and the role of kaolinite weathering – a view from shallow cores in the Norwegian Sea (Møre to Troms). Norwegian Journal of Geology 83, 61-78.

Nakrem, H. A., 1997: Carboniferous and Permian bryozoans in shallow drilling cores from the Barents Shelf (Offshore Northern Norway). All-Russian and International Conference on Bryozoa, St.Petersburg, July 1997. 1 p. (Abstract: http://www.civgeo.rmit.edu.au/bryozoa/russabst.html)

Nakrem, H.A., Szaniawski, H. & Mørk, A., 2001: Permian-Triassic scolecodonts and conodonts from the Svalis Dome, central Barents Sea, Norway. Acta Palaeontologica Polonica, 46, 1, 69-86.

Nilsen, K.T, Henriksen, E. & Larsen, G.B. 1992: Exploration of the Late Palaeozoic carbonates in the southern Barents Sea  - a seismic stratigraphic study. In Vorren, T.O, Bergsager, E., Dahl -Stamnes, Ø.A., Holter, E., Johansen, B., Lie, E. & Lund, T.B. (eds.): Arctic Geology and Petroleum Potential, 393 -404. Norwegian Petroleum Society Special Publication 2, Elsevier, Amsterdam.

Nilsson, I., 1993: Upper Paleozoic fusulinid stratigraphy of the Barents Sea and surrounding areas. Dr. Scient thesis, University of Tromsø, Norway, 538 pp.

Nilsson, I., Mangerud, G. & Mørk, A., 1996: Permian stratigraphy of the Svalis Dome, south-western Barents Sea. Norsk Geologisk Tidsskrift 76, 127-146.

Poole, D. A. R., Steinsund, P. I., Sættem, J., Vorren, T. O. & Hald, M., 1991: Late Cenozoic benthonic foraminiferal stratigraphy from outer  Bjørnøyrenna, Barents Sea: palaeoclimatic implications. Norsk Geologisk Tidsskrift 71, 163-165

Rasmussen, A., Kristensen, S.E., Van Veen, P., Stølan, T. & Vail, P.R., 1992: Use of sequence stratigraphy to define a semi-stratigraphic play in Anisian sequences, southwestern Barents Sea. In: Vorren, T.O. et al. (eds.): Arctic Geology and Petroleum Potential, NPF Special Publication no. 2, Elsevier Sci. Publ., 439-456.

Rise, L. & Sættem, J., 1994: Shallow stratigraphic wireline coring in bedrock offshore Norway. Scientific Drilling 4, 243-257.

Rokoengen, K., Rise, L., Bryn, P., Frengstad, B., Gustavsen, B., Nygaard, E. & Sættem, J. 1995: Upper Cenozoic stratigraphy on the Mid-Norwegian continental shelf. Norsk Geologisk Tidsskrift 75, 88-104.

Rokoengen, K. & Sørensen, S., 1990: Late Jurassic sedimentary bedrock north of Utsira, offshore western Norway. Norsk Geologisk Tidsskrift 70, 1, 61-63.

Sættem, J., 1991: Glaciotectonics and glacial geology of the southwestern Barents Sea. Dr.ing. thesis, University of Trondheim, NTH, 224 pp.

Sættem, J., Bugge, T., Fanavoll, S., Goll, R.M., Mørk, A., Mørk, M.B.E., Smelror, M. & Verdenius, J.G., 1994: Cenozoic margin development and erosion of the Barents Sea: Core evidence from southwest of Bjørnøya.  Marine Geology 118, 257-281.

Sættem, J., Poole, D.A.R., Ellingsen, L. & Sejrup, H.P., 1992: Glacial geology of outer Bjørnøyrenna, southwestern Barents Sea. Marine Geology 103, 15-51

Sættem, J., Poole, D.A.R., Sejrup, H.P. & Ellingsen, K.L., 1991: Glacial geology of outer Bjørnøyrenna, western Barents Sea: preliminary  results. Norsk Geologisk Tidsskrift 71, 173-177

Sættem, J., Rise, L. & Westgaard, D.A., 1991: Composition and properties of glacigenic sediments in the southwestern Barents Sea. Marine Geotechnology 10, 229-255

Smelror, M., 1991: Two new dinoflagellate cysts from the Middle Jurassic of the Barents Sea Region. Journal of Micropalaeontology, 10, 175-180.

Smelror, M., 1993: Biogeography of Bathonian to Oxfordian (Jurassic) dinoflagellates: Arctic, NW Europe and circum-Mediterranean regions. Palaeogeography, Palaeoclimatology, Palaeoecology, 102, 121-160.

Smelror, M., 1994: Jurassic stratigraphy of the Western Barents Sea region: a review. Geobios, M.S. 17: 441-451.

Smelror, M., in press: Observations on the morphology of the dinoflagellate genus Cyclopsiella Drugg & Loeblich 1967. Review of Palaeobotany and Palynology.

Smelror, M. & Aarhus, N., 1989: Emendation of the dinoflagellate cyst genus Crussolia Wolfard & van Erve 1981, and description of C. dalei n.sp. from the Callovian of Svalbard. Neues Jahrbuch Geol. Paläont. Mh., H.1, 37-46.

Smelror, M. & Below, R., 1992: Dinoflagellate biostratigraphy of the Toarcian to Lower Oxfordian (Jurassic) of the Barents Sea region. In Vorren, T. et al. (eds.): Arctic Geology and Petroleum Potential. NPF Specal Publication 2, 495-513.

Smelror, M., Cocks, L.R.M., Mørk, A., Neumann, B.E.E. & Nakrem, H.A., 1997: Upper Ordovician - Lower Silurian strata and biota from offshore South Norway. Norsk Geologisk Tidsskrift 77, 251-268.

Smelror, M., Dypvik, H. & Mørk, A., 1999: Phytoplankton blooms related to the Jurassic-Cretaceous boundary Mjølnir meteorite impact (Barents Sea). Proceedings of the ESF Workshop on Geological and Biological Evidence for Global Catastrophes. Espéraza/Quillan (Aude, France), 20-30 Sept. 1999. Lecture Notes in Earth Sciences.

Smelror, M., Dypvik, H. & Mørk, A., 2001: Phytoplankton blooms in the Jurassic-Cretaceous boundary beds of the Barents Sea possibly induced by the Mjølnir Impact. In Buffetaut, E. & Koeberl, C., (eds.): Geological and Biological Effects of Impact Events. Impact Studies, vol. 1. Springer Verlag, Heidelberg, 312 pp (ISBN 3-540-42286-2).

Smelror, M., Jacobsen, T., Rise, L., Skarbø, O., Verdenius, J.G. & Vigran, J.O., 1994: Jurassic to Cretaceous stratigraphy of shallow cores on the Møre Basin Margin, Mid-Norway. Norsk Geologisk Tidsskrift 74, 89-107.

Smelror, M., Kelly, S.R.A., Dypvik, H., Mørk, A., Nagy, J. & Tsikalas, F., 2001: Mjølnir (Barents Sea) meteorite impact ejecta offers a Volgian-Ryazanian boundary marker. Newsletter on Stratigraphy, 38, 129-140.

Smelror, M., Mørk, A., Monteil, E., Rutledge, D. & Leereveld, H., 1998: The Klippfisk Formation — a new lithostratigraphic unit of Lower Cretaceous platform carbonates on the Western Barents Shelf. Polar Research 17, 2, 181-202.

Smelror, M., Mørk, M.B.E., Mørk, A., Løseth, H. & Weiss, H.M., 1999: Middle Jurassic-Lower Cretaceous T-R sequences and facies distribution off Troms and Nordland, Northern Norway. Sedimentary Environments offshore Norway – Palaeozoic to Recent, NPF meeting Bergen 3-5 May 1999, Extended Abstract,  pp. 4.

Smelror, M., Mørk, A., Mørk, M.B.E., Weiss, H.M., & Løseth, H., 2001: Middle Jurassic-Lower Cretaceous transgressive-regressive sequences and facies distribution off Troms, northern Norway. In Martinsen, O.J. and Dreyer, T. (eds.): Sedimentary Environments Offshore Norway -Palaeozoic to Recent. NPF Special Publication 10, 211-232.

Stemmerik, L., 1997: Permian (Artinskian  - Kazanian) cool -water carbonates in North Greenland, Svalbard and the western Barents Sea. In James, N.P. & Clark, J. (eds.): Cool -water Carbonates. Society of Economic Paleontologists and Mineralogists, Special Publication 56, 349 -364.

Stemmerik, L., Elvebakk, G. & Worsley, D., 1999: Potential Upper Palaeozoic carbonate reservoirs on the Norwegian Arctic Shelf  - application to exploration of the Loppa High. Petroleum Geoscience 5, 173 -187.

Stemmerik, L. & Worsley, D., 1989: Late Palaeozoic sequence correlations, North Greenland, Svalbard and the Barents Shelf. In Collinson, J.D. (ed.): Correlation in Hydrocarbon Exploration, 99 -111. Norwegian Petroleum Society, Graham and Trotman, London.

Stemmerik, L. & Worsley, D., 1995: Permian history of the Barents Shelf area. In Scholle, P.A., Peryt, T.M. & Ulmer -Scholle, D.S. (eds.): Permian of northern Pangaea, 81 -97. Springer Verlag, Berlin.

Swientek, O., 2002: The Greenland Norwegian Seaway: climatic and cyclic evolution of Late Jurassic-Early Cretaceous sediments. Ph.D. Thesis, Mathematisch-Naturwissenschaftliche Fakultät, Universität zu Köln, 119 pp., Appendix. http://www.ub.uni-koeln.de/ediss/archiv/2002/11v4428.pdf

Throndsen, T. & Bjærke, T., 1983: Palynodebris analysis of a shallow core from the Barents Sea. Polar Research 1, 43-47.

Van Veen, P.M., Skjold, L.J., Kristensen, S.E., Rasmussen, A., Gjelberg, J. & Stølan, T., 1992: Triassic sequence stratigraphy in the Barents Sea. In: Vorren, T.O. et al. (eds.): Arctic Geology and Petroleum Potential, Norwegian Petroleum Society (NPF) Special Publication no. 2, Elsevier Sci. Publ., 515-538.

Vigran, J.O., 1991: Pollen and spores from the Norwegian shelf, can they tell about Triassic floral provinces?. In:Fifth Symposium on Mesozoic Terrestrial Ecosystems and Biota. Contributions from the Paleontological Museum, University of Oslo, 364, 67-68.

Vigran, J.O. & Mangerud, G., 1991: Palynological evidence of Lower Triassic rocks subcropping offshore mid-Norway. Norsk Geologisk Tidsskrift 71, 29-35.

Vigran, J.O., Mangerud, G., Mørk, A. & Bugge, T. & Weitschat, W., 1998: Biostratigraphy and sequence stratigraphy of the Lower and Middle Triassic deposits from the Svalis Dome, Central Barents Sea, Norway. Palynology 22, 89-141.

Wierzbowski, A. & Smelror, M., 1993. Ammonite succession in the Kimmeridgian of southwestern Barents Sea, and the Amoeboceras zonation of the Boreal Kimmeridgian. Acta Geologica Polonica, 43, 229-249.

Wierzbowski, A., Smelror, M. & Mørk, A., 2002: Ammonites and dinoflagellate cysts in the Upper Oxfordian and Kimmeridgian of the northeastern Norwegian Sea (Nordland VII offshore area): biostratigraphical and biogeographical significance. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 226, 145-164.

Worsley, D., Johansen, R. & Kristensen, S.E. 1988: The Mesozoic and Cenozoic succession of Tromsøflaket. In Dalland, A., Worsley, D. & Ofstad, K. (eds.): A lithostratigraphic scheme for the Mesozoic and Cenozoic succession offshore mid- and northern Norway. Norwegian Petroleum Directorate Bulletin 4, 42-65. Århus, N. (1991): The transition from deposition of condensed carbonate to dark claystones in the Lower Cretaceous succession of the southwestern Barents Sea. Norsk Geologisk Tidsskrift 71, 259-263.

Århus, N., Birkelund, T. & Smelror, M., 1989: Biostratigraphy of some Callovian and Oxfordian cores off Vega, Helgeland, Norway. Norsk Geologisk Tidsskrift 69, 39-56.

Århus, N., Kelly, S.R.A., Collins, J.S.H. & Sandy, M.R., 1990: Systematic palaeontology and biostratigraphy of two Early Cretaceous condensed sections from the Barents Sea. Polar Research 8, 165-194

Published February 28, 2008