Jökull - 01.12.1957, Qupperneq 21
REFEREN CES
(1) Pjeturss, H.: Om Islands Geologi. Trans.
Danish Geological Soc. no. 11, Copenhag-
en 1905.
2) Einarsson, T.: Ueber das Wesen der heis-
sen Quellen Islands. Soc. Scientiarum Is-
landica, Reykjavik, 1942.
(3) Einarsson, T.: Der Paláomagnetismus der
islándischen Basalte und seine stratigraph-
ische Bedeutung. N. Jahrb. f. Geologie u.
Paláonotologie, Monatshefte 1957, pp. 159
-175.
(4) Roche,A.: Comptes Rendu, 256, 1956, p.
856.
(5) Akimoto, S.: London Conf. on Paleo-
magnetism, 1—3, Nov. 1956.
(6) Bodvarsson, G.: Terrestrial Heat Balance
in Iceland. Journal of the Engineer’s As-
sociation in Iceland. Vol. 39 nr. 6 1954.
(7) Bodvarsson, G.: Geophysical Methods in
the Prospecting for Hot Water in Iceland.
(in Danish). Journal of the Engineer’s As-
sociation in Iceland, v. 35, nr. 5, pp. 49
-59. 1950.
(8) Birch, F., Schairer, J. F., and Spicer, C.:
Handbook of Physical Constants. Geol.
Soc. Am. 1942.
(9) Birch, F.: Nuclear Geology, ed. by Faul,
1954, Chapter 5, pp. 148—174. John Wiley
& Sons, New York.
(10) Carslaw, H. S., and Jaeger, J. C.: Conduc-
tion of Heat in Solids. Oxford Uni.
Press, 1947.
(11) Emiliani, C.: Pleistocene Temperatures.
Journal of Geology, v. 63, pp. 538—578,
1955.
(12) Thorarinsson, S.: The Submerged Peat in
Seltjörn. (In Icelandic with a summary in
English). Náttúrufrædingurinn (Reykja-
vík) v. 26, nr. 4, pp. 179—193, 1956.
(13) Birch, F.: The Effects of Pleistocene Clim-
atic Variations upon Geothermal Gradi-
ents. Am. Journ. Sc. v. 246, nr. 12, 1948.
(14) Walker, G.P.L.: Volcanic Geology of the
Reydarfjördur Area, Eastern Iceland. Un-
published report to the Nat. Research
Council of Iceland. 1957.
(15) Twenhofel, W. H.: Principles of Sedi-
mentation. McGraw-Hill, New York 1939.
(16) Einarsson, T.: Survey of Gravity in Ice-
land. Soc. Scientiarum Islandica, XXX,
Reykjavík, 1954.
(17) Askelsson, J.: Kvartárgeologische Studien
von Island. Geol. För. i Stockholm, För-
handlinger, 1934.
(18) Bárdarson, G.: Ancient Shore Lines in
Borgarfjördur and Hvalfjördur. Soc.
Scientiarum Islandica, 1923.
(19) Gutenberg, B.: Progress Report, Seismo-
logical Laboratory, C.I.T. 1955. Trans.
Am. Un. v. 37, no. 2, April 1956, pp. 232
-238.
(20) Benioff, H.: Earthquakes and Rock Creep.
Bull. Seismol. Soc. Am. v. 41, nr. 1, Jan.
1951, pp. 31-62.
(21) Jeffreys, Sir H.: The Earth. Cambridge
Uni. Press. 1952.
(22) Chadwick: Nature, v. 178, pp. 105—106,
1956.
(23) Bullard, Sir E., and Niblett: Terrestrial
Heat Flow in England. Month. Not. R.
Astr. Soc. Geoph. Suppl. v. 6, pp. 222—
238, 1951.
(24) Anderson, E. M.: The Loss of Heat by
Conduction from the Earth’s Crust in
Britain. Proc. Roy. Soc. Edinburgh, v. 60,
pp. 192-209, 1940.
(25) Jakosky, /.: Exploration Geophysics. Trija
Publ. Co. Los Angeles, 1950.
(26) Finch, R. H., Bull. Seimo. Soc. Amer. v.
33, pp. 237-241, 1943.
(27) E1 Parícutin Mexico, D.F. 1945.
(28) Jacobs, J.A.: The Earth’s Interior. Encl.
of Physics. v. XLVII, Geophysics I, Spring-
er, Berlin, Göttingen, Heidelberg, 1956,
pp. 364—406.
(29) Clark, S. P.: Radiative Transfer in the
Earth’s Mantle. Trans. Amer. Geoph. Un-
ion. v. 38, nr. 6, Dec. 1957, pp. 931—938.
ÁGRIP :
ÁILRIF ÍSALDARJÖIiLA Á HITA í JÖRÐU
Menn hafa ekki verið á eitt sáttir um aldur
núverandi landslags á Islandi. Helgi Pjeturss
taldi, að efsti hluti blágrýtismyndunarinnar á
Norður- og Vesturlandi vceri kvarter, og nú-
verandi landslag væri því mótað á seinni hlut-
um isaldar. Þessi skoðun hefur átt talsverðu
fylgi að fagna. Nokkrir jarðfræðingar hafa þó
19