Jökull - 01.12.1980, Síða 43

REFERENCES
Ade-Hall, J. M. and A. E. Lawley 1970: An
unsolved problem — opaque petrological
differences between Tertiary basaltic dykes
and lavas, in: Mechanisms of Igneous In-
trusion (G. Newall and N. Rast, eds.) Gal-
lery Press, Liverpool, 217 — 230.
Ade-Hall, J. M. and N. D. Watkins, 1970: Ab-
sence of correlations between opaque
petrology and natural remanence polarity
in Canary Island lavas. Geophys. J. R.
Astr. Soc. 19: 351 — 360.
Ade-Hall, J. M. and R. L. Wilson, 1969:
Opaque petrology and natural remanence
polarity in Mull (Scotland) dykes.
Geophys. J. R. Astr. Soc. 18: 333—352.
Ade-Hall,J. M., M. A. Khan, P. Dagley and R. L.
Wilson, 1968: A detailed opaque petrologi-
cal and magnetic investigation of a single
Tertiary lava flow from Skye, Scotland —
1. Iron-Titanium oxide petrology.
Geophys. J. R. Astr. Soc. 16: 375 — 388.
Ade-Hall, J. M., H. C. Palmer and T. P. Hubbard,
1971: The magnetic and opaque petro-
logical response of basalts to regional
hydrothermal alteration. Geophys. J. R.
Astr. Soc. 24: 137-174.
Dagley, P., R. L. Wilson,J. M. Ade-Hall, G. P. L.
Walker, S. E. Haggerty, Th. Sigurgeirsson, N.
D. Watkins, P.J. Smilh,J. Edwards and R. L.
Grasty, 1967: Geomagnetic polarity zones
for Icelandic lavas. Nature 216: 25 — 29.
Fowler, M. G., 1975: A palaeomagnetic study
of lavas from Reydarfjördur, eastern Ice-
land, unpubl. dissertation, University of
Liverpool, 39 pp.
Gibson, I. L., D. J. J. Kinsman and G. P. L.
Walker, 1966: Geology of the Fáskrúds-
fjördur area, eastern Iceland. Greinar IV,
2, Vísindafélag Islendinga, 1—52.
Lindsley, D. H., 1962: Annual report of the
Director of the Geophysical Laboratory,
Carnegie Institution, Washington D.C.
Piper, J. D. A., 1975: A palaeomagnetic study
of the coast parallel Jurassic dyke swarm in
southern Greenland. Phys. Earth Planet.
Int. 11: 36-42.
Piper, J. D. A., M. G. Fowler and 1. L. Gibson,
1977: Dyke magnetisation, magneto-
stratigraphy, and upper crustal structure in
the Reydarfjördur area of eastern Iceland.
Tectonophysics 42: 227 — 244.
Reilly, T. A., P. K. S. Raja, A. E. Mussett and A.
Brock, 1976: The palaeomagnetism of Late
Cenozoic volcanic rocks from Kenya and
Tanzania. Geophys. J. R. Astr. Soc. 45:
463—484.
Sato, M. and T. L. Wright, 1966: Oxygen
fugacities directly measured in magmatic
gases. Science 153: 1103— 1105.
Walker, G. P. L., 1959: Geology of the Reyd-
arfjördur area, eastern Iceland. Quart. J.
Geol. Soc. Lond. 114: 367 — 391.
Walker, G. P. L., 1960: Zeolite zones and dyke
distribution in relation to the structure of
the basalts in eastern Iceland. J. Geol. 68:
515-528.
Watkins, N. D. and S. E. Haggerty, 1965: Some
magnetic properties and the possible
petrogenetic significance of oxidised zones
in an Icelandic olivine basalt. Nature 206:
797-800.
— 1968: Oxidation and magnetic polarity in
single Icelandic lavas and dykes. Geophys.
J. R. Astr. Soc. 15: 305-316.
Wilson, R. L. and S. E. Haggerty, 1966: Rever-
sals of the earth’s magnetic field.
EndeavourWF: 104—109.
Wilson, R. L. and N. D. Watkins, 1967: Corre-
lation of petrology and natural magnetic
polarity in Columbia Plateau basalts.
Geophys. J. R. Astr. Soc. 12: 405—424.
Manuscript accepted lOth November 1980.
JÖKULL 30. ÁR 41