Jökull - 01.12.1982, Síða 109
IVatkins and L. Kristjansson 1977: Extension of the
geomagnetic polarity time scale to 6. 5 m. y.:
K-Ar dating, geological and paleomagnetic
study of a 3, 500 m lava succession in Western
Iceland. Bull. Geol. Soc. Am. 88 : 1-15.
Mercanton, P. L. 193 1: Inversion de l’inclinaison
magnetique aux ages geologiques. Nouvelles ob-
servations. C. R. Acad. Sci. 192 : 978-980.
Mercanton, P. L. 1932: Inversion de l’inclinaison
magnetique aux ages geologiques. C. R. Acad.
Sci. 194: 1371-1372.
Pálmason, G., S. Amórsson, I. B. Friðleifsson, H. Krist-
mannsdóttir, K. Saemundsson, V. Stejánsson, B. Stein-
grímsson,J. Tómasson andL. Krístjansson 1979: The
Iceland crust: evidence from drillholes on struc-
ture and processes. From: Deep drilling results
in the Atlantic Ocean, A. G. U. Ewing series no.
2 (ed.Talwani, M., C. Harrison and D. Hayes)\
43-65.
Peirce,J. IV., and M. J. Clark 1978: Evidence from
Iceland on geomagnetic reversal during the Wis-
consinan Ice age. Nature 273 : 456-458.
Piper,J. D. A. 1971: Ground magnetic studies of
crustal growth in Iceland. Earth Planet. Sci.
Lett. 12: 199-207.
Piþer,J. D. A. 1973a: Volcanic history and tectonics
of the North Langjökull Region, Central Ice-
land.Can.J. EarthSci. 10: 164-179.
Piþer,J. D. A. 1973b: Fine structure of an echelon
ridge axes and crustal deformation at construc-
tive plate boundaries. Geol. Soc. Am. Bull. 84 :
931-938.
Piþer,J. D. A. 1973c: Interpretation of some magne-
tic anomalies over Iceland. Tectonophysics 16 :
163-187.
Piþer.J. D. A.1979: Outline volcanic history of the
region west of Vatnajökull, central Iceland. J.
Volcanol. Geoth. Res. 5 : 87-98.
Piper,J. D. A. , M. G. Fowler and I. L. Gibson 1977:
Dyke magnetisation, magnetostratigraphy and
upper crustal structure in the Reydaríjördur
area of eastern Iceland. Tectonophys. 40 : 227-
244.
Rulten, M. G. 1960: Paleomagnetic dating ofyoung-
er volcanic series. Geol. Rundsch. 49 : 161-167.
Rutten, M. G., and H. Wensink 1959: Geology of the
Hvalíjörður-Skorradalur area (southwest Ice-
land). Geol. Mijnb. 21 : 172-181.
Rutten, M. G., and H. IVensink 1960a: Paleomagnetic
dating, glaciations and the chronology of the
Plio-Pleistocene in Iceland. Report Internat.
Geol. Congr. XXI. Session IV : 62-70.
Rutten, M. G., and H. Wensink 1960b: Structure of the
central graben of Iceland. Report Internat.
Geol. Congr. XXI. Part XVIII : 81-88.
Rutten, M. G., and J. Veldkamþ 1964: Paleomagnetic
research in the Netherlands. Geol. en Mijnb. 43:
183-195.
Saemundsson, K., and H. Noll 1974: K-Ar ages of rocks
from Húsafell, westem Iceland, and the deve-
lopment of the Húsafell central volcano. Jökull
24:40-59.
Saemundsson, K., L. Kristjansson, I. McDougall, and N.
D. Watkins 1980: K-Ar dating, geological and
paleomagneticstudy ofa5-km lava succession in
northem Iceland. J. Geophys. Res. 85 : 3628-
3646.
Schónharting, G. 1979: Magnetic properties of rocks
from the Geitafell gabbro complex, SE Iceland.
Bull. Geol. Soc. Denmark28 : 21-39.
Schönharting, G., and K. Strand Petersen 1978: The
Hvannadalur and Geitafell intrusions, SE-Ice-
land: Magnetic properties, structure and the
magnetic layer problem. Jökull 28 : 32-41.
Schweitzer, C., and H. C. Soffel 1980: Paleointensity
measurements on Postglacial lavas from Ice-
land. J. Geophys. 47 : 57-60.
Shaw, J. 1975: Strong geomagnetic fields during a
single Icelandic polarity transition. Geophys. J.
R. Astr. Soc. 40 : 345-350.
Shaw,J.,andR. L. Wilson 1977:Themagnitudeofthe
paleomagnetic field during a polarity transition:
a new technique and its application. Phys. Earth
Planet. Int. 13 : 339-341.
Shaw, J., P. Dagley and A. E. Mussetl 1982: The
magnitude ofthe paleomagnetic field in Iceland
between 2 and 6 Myr ago. Geophys. I. R. Astr.
Soc. 68: 211-218.
Sigurgeirsson, T. 1957: Direction of magnetization in
Icelandic basalts. Adv. Phys. 6 : 240-246.
Sigurgeirsson, T. 1970: A survey of geophysical re-
search related to crustaland upper mantle struc-
ture in Iceland. J. Geomag. Geoel. 22 : 213-221.
Sigurgeirsson, T. 1974: Final report on geomagnetic
measurements on Surtsey. Surtsey Res. Progress
Report VII: 91-94.
Smith, P. J. 1967a: The intensity of the Tertiary
geomagnetic field.Geophys. J. R. Astr. Soc. 12 :
239-258.
Smith, P. J. 1967b: On the suitability of igneous
rocks for ancient geomagnetic field determina-
tion. Earth Planet. Sci. Lett. 2 : 99-105.
Smith, P.J. 1967c: Electron probe microanalysis of
optically homogeneous titanomagnetites and
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