Bulletin Volume 20 – 1970 : Dansk Geologisk Forening

Bulletin Volume 20 – 1970

Content of Volume 20/1


SØRENSEN, H., LEONARDSEN, E. S. & PETERSEN, O. V.	Trona and thermonatrite from the Ilimaussaq alkaline intrasion, South Greenland s. 1
PpVARENNYKH, A. S., PLATONOV, A. N. & BELICHENKO, V. P.	On the colour of ussingite from the Ilimaussaq (South Greenland) and Lovozero (Kola Peninsula) alkaline intrusions s. 20
BECKINSALE, R. D., BROOKS, C. K. & REX, D. C	K-Ar ages for the Tertiary of East Greenland s. 27
MACDONALD, R. & EDGE, R. A.	Trace element distribution in alkaline dykes from the Tugtutoq region, South Greenland s. 38
MACDONALD, R. & PARKER, A.	Zirconium in alkaline dykes from the Tugtutoq region, South Greenland s. 59
MACDONALD, R.	Mid-Gardar feldspathoidal dykes in the Tugtutoq region, South Greenland s. 64
FERGUSON, J.	On the schistose structure of some lujavrites s. 67
JØRGART, T.	On the late formation of plagioclase in granitic rocks s. 69
SPIRO, B. F. & HANSEN, H. J.	Note on early diagenesis of some scleractinian corals from the Gulf of Eilat, Israel s. 72
JØRGENSEN, N. O.	Ultrastructure of some ostracods s. 79

Content of Volume 20/2

PLATOU, S. W.	The Svaneke granite complex and the gneisses on East Bornholm s. 93
MICHEELSEN, H. & PETERSEN, O. V.	Leifite, revised, and karpinskyite, discredited s. 134
SURLYK, F.	Two new brachiopods from the Danish white chalk (Maastrichtian) s. 152
HEIE, O. E.	Lower Eocene aphids (Insecta) from Denmark s. 162
KOCH, B. E. & FRIEDRICH, W. L.	Geologisch-Paläobotanische Untersuchung der Miozänen Braunkohlen bei Fasterholt in Jutland, Dänemark s. 169
FRIEDRICH, W. L. & KOCH, B. E.	Comparison of fruits and seeds of fossil Spirematospermum (Zingiberaceae) with those of living Cenolophon s. 192

Content of Volume 20/3


DAWES, P. R.	The North Greenland fold belt and environs s. 197
BIRKELUND, T., HÅKANSSON, E. & SURLYK, F.	New finds of Bathonian, Callovian, and Oxfordian ammonites in northern Jameson Land, East Greenland s. 240
COE, K.	Faulting in the western part of Liverpool Land, East Greenland s. 260
POULSEN, V.	Notes on an Ordovician acrotretacean brachiopod from the Oslo region s. 265
SPIRO, B. F.	Ultrastructure and chemistry of the skeleton of Tubipora musica Linné s. 279
RASMUSSEN, H. W.	Cretaceous crinoidea (Comatulida and Roveacrinida) from England and France s. 285
HANSEN, K.	Tunnel valleys in Denmark and northern Germany s.295
THIEDE, J. & LARSEN, G.	Radiographies of consolidated calcareous sediments from Denmark s. 307

Content of Volume 20/4

HANSEN, H. J. & REISS, Z.	Electron microscopy of Rotaliacean wall structures s. 329
PERCH-NIELSEN, K.	Einige neue Coccolithen aus dem Paleozän der Bucht von Biskaya s. 347
BROMLEY, R. G. & NORDMANN, E.	Maastrichtian adherent foraminifera encircling clionid pores s. 362
CHRISTENSEN, W. K.	Belemnitella propinqua propinqua (Moberg, 1885) from Scandinavia s. 369
ASGAARD, U.	Faksethyris nielseni n. g. et n. sp. (Terebratulacea) from the Middle Danian of Denmark s. 385
JÜRGENSEN, T.	Tornipora, a new cheilostome bryozoan from the Maastrichtian and Danian of Denmark s. 390