Jökull - 01.12.1999, Qupperneq 46

Jancin, M., K. D. Young, B. Voight, J. L. Aronson and K.
Sæmundsson. 1985. Stratigraphy and K/Ar ages across
the west flank of the northeast Iceland axial rift zone, in
relation to the 7 Ma volcano-tectonic reorganization of
Iceland. J. Geophys. Res. 90, 9961-9985.
Jefferis, R. and B. Voight 1981. Fracture analysis near the
mid-ocean plate boundary, Reykjavík-Hvalfjörður area,
Iceland. Tectonophysics 76, 171-236.
Jóhannesson, H. 1975. Structure and petrochemistry of
the Reykjadalur central volcano and surrounding area,
midwest Iceland. University of Durham, United King-
dom, Ph.D. Thesis, 273 pp.
Jóhannesson, H. 1980. Evolution of the rift zones in western
Iceland (in Icelandic with English summary), Náttúru-
frœðingurinn 50, 13-31.
Jóhannesson, H. 1982. Kvarter eldvirkni á Vesturlandi (in
Icelandic), Eldur er í norðri, Festschrift for Sigurður
Þórarinsson, Sögufélagið, Reykjavík, 129-137.
Jóhannesson, H. 1994. Geological map of Iceland,
1:250.000, sheet 2, West Iceland, second edition: Ice-
landic Museum of Natural History and Iceland Geode-
tic Survey, Reykjavík.
Khodayar, M. 1992. Evolution dynamique et structurale
de la bordure méridionale des Causses (Massif Central
Francais): de la sédimentation mésozo'ique au volcan-
isme plio-quaternaire. Université de Clermont-Ferrand
II, France. Ph.D. Thesis, 335 pp.
Kristjánsson, L. and G. Jónsson 1998. Aeromagnetic results
and the presence of an extinct rift zone in western Ice-
land. J. Geodyn. 25, 99-108.
Kristmannsdóttir, H. and J. Tómasson 1978. Zeolites zones
in geothermal areas in Iceland. In L. B. Sand and F.
A. Mumpton, eds. Natural Zeolites: occurrence, prop-
erties, use. Pergamon Press. 277-284.
McDougall, I., K. Sæmundsson, H. Jóhannesson, N. D.
Watkins and L. Kristjánsson 1977. Extension of the
geomagnetic time scale to 6.5 m.y.: K-Ar dating, geo-
logical and paleomagnetic study of a 3,500-m lava suc-
cession in western Iceland. Bull. Geol. Soc. Am. 88,
1-15.
Moorbath, S., H. Sigurðsson and R. Goodwin 1968. K-
Ar ages of the oldest exposed rocks in Iceland. Earth
Planet. Sci. Lett. 4, 197-205.
Nakamura, K. 1970. En échelon features of Icelandic
ground fissures. Acta Nat. Islandica 2 8, 1-15.
Pálmason, G. 1973. Kinematics and heat flow in a volcanic
rift zone with application to Iceland. Geophys. J. R.
Astron. Soc. 33, 451-481.
Passerini, R, G. Sguazzoni, M. Marcucci and L. Zan 1990.
Slickensides in western and southem Iceland: data from
Langavatn, Búrfell and Vörðufell. Ofioliti 15,191-196.
Passerini, P., M. Marcucci, G. Sguazzoni and E. Pecchioni
1997. Longitudinal strike-slip faults in oceanic rift-
ing: a mesostructural study from western to southeast-
ern Iceland. Tectonophysics 269, 65-89.
Scháfer, K. 1972. Transform faults in Island. Geol. Rdsch.
61, 942-960.
Schwarzbach, M. 1956. Beitráge zur Klimageschichte Is-
lands. IV. Das Vulkangebiet von Hreðavatn (West Is-
land). Neues Jb. Geol. U. Paldontol. 104: 1-29.
Sigurðsson, H. 1967. Dykes, fractures and folds in the
basalt plateau of western Iceland. In S. Björnsson ed.
Iceland and Mid-Ocean Ridges. Soc. Sci. Islandica 38,
162-169.
Sigurðsson, H. 1970. Structural origin and plate tectonics of
the Snæfellsnes Volcanic Zone, western Iceland. Earth
Planet. Sci. Lett. 10, 129-135.
Sæmundsson, K. 1967. An outline of the structure of SW-
Iceland. In S. Björnsson ed. Iceland and Mid-Ocean
Ridges. Soc. Sci. Islandica 38, 151-161.
Sæmundsson, K. 1974. Evolution of the axial rifting zone in
northern Iceland and the Tjörnes Fracture Zone. Geol.
Soc. Am. Bull. 85, 495-504.
Sæmundsson, K. 1978. Fissure swarms and central volca-
noes of the neovolcanic zones of Iceland. Geol. J. Spe-
cial Issue 10, 415-432.
Thors, K. and L. Kristjánsson 1974. Westward extension of
the Snæfellsnes Volcanic Zone of Iceland. J. Geophys.
Res. 79, 413-415.
Torfason, H. 1979. Investigations into the structure of
southeastern Iceland. University of Liverpool, United
Kingdom, Ph.D. Thesis, 587 pp.
Villemin, Th., F. Bergerat, J. Angelier and Ch. Lacasse
1994. Brittle deformation and fracture patterns on
oceanic rift shoulders: the Esja peninsula, SW Iceland.
J. Struc. Geol. 16, 1641-1654.
Walker, G. P. L. 1960. Zeolite zones and dike distribution in
relation to the structure of the basalts of eastern Iceland.
J. Geol. 68, 515-528.
Walker, G. P. L. 1963. The Breiddalur central volcano, east-
em Iceland. Q. J. Geol. Soc. Lond. 119, 29-63.
Young, K.D., M. Jancin, B. Voight and N. I. Orkan 1985.
Transform deformation of Tertiary rocks along the Tjör-
nes Fracture Zone, north central Iceland. J. Geophys.
Res. 90, 9.986-10.010.
44 JÖKULL, No. 47