Acta naturalia Islandica - 01.02.1946, Blaðsíða 80

REFERENCES
1. Þ. Thoroddsen, Island. Grundriss der Geographie und Geologie. Erganzungs-
hefte No. 152 und 153 zu Petermanns Mitteilungen. 1905—1906.
2. Helgi Pjetursson: The glacial Palagonite formation of Iceland. Scottish
geogr. Magazine, Edinb. 1900.
3. K. Keilhack: Beitráge zur Geologie der Insel Island. Zeitschr. d. deutsch.
geol. Gesellsch. Berlin 1886.
4. K. Keilhack: Die geologischen Verháltnisse der Umgebung von Reykja-
vík und Hafnarfjörður in Siidwest-Island. Zeitschr. d. deutsch. geol. Gesellsch.
Bd. 77, 1925.
5. Guðm. G. Bárðarson: Nogle geol. Profiler fra Snæfellsnes, Vest-Island,
Report of the 18. Skandinavien Naturalist Congress in Copenhagen. 1929.
6. Helgi Pjetursson: Om Islands Geologi. Köbenhavn, 1905.
7. H. Pjeturss: Handb. d. Regionalen Geol., Heft 2: Island. 1910.
8. L. Hawkes: The Age of the Rocks and Topography of Middle Northern
Iceland. Geol. Magazine LXXV, 1938.
9. J. Líndal: Jökulmenjarnar í Fnjóskadals- og Kinnardalsfjöllum ásamt um-
hverfi þeirra. Náttúrufræðingurinn, XII. árg. 1942.
10. Guðm. G. Bárðarson, Ágrip af jarðfræði. 2. útg. Reykjavík 1927.
11. Albrecht Pench: Úber Palagonit- und Basalttuffe. Zeitschr. d. Deutschen
geolog. Gesellschaft. 1879.
12. G. W. Tyrrell and M. A. Peacock: The petrology of Iceland. Part I —
The Basic Tuffs by Martin A. Peacock. Trans. of the Roy. Soc. Edinb. Vol. 55
Part I (No. 3), 1926.
13. Tom. F. W. Barth: Volcanic Ash from Vatnajökull. Norsk geol. tidskr. 17,
1937, p. 31—38.
14. Niels Nielsen og Arne Noe-Nygaard: Om den islandske “Palagonitforma-
tion”s Oprindelse. En forelöbig Meddelelse. Geogr. Tidsskr. 39, 2. Halvb. 1936.
15. Niels Nielsen: Contributions to the Physiography of Iceland. D. Kgl.
danske Vidensk. Selsk. Skrifter. Naturv. og Math. Afd. 9. Række, IV. 5. 1933.
16. Archibald Geikie: The History of Volcanic Action during the Tertiary
Period in the British Isles. Trans. of the Roy. Soc. of Edinb. Vol. XXXV.—Part.
2. 1888.
17. Fr. Walker and Ch. F. Davidson: A Contribution to the Geology of the
Faroes. Trans. Roy. Soc. Edinb. Vol. LVIII — Part 3 — (No. 30). 1935—1936.
18. W. Branco: Schwabens 125 Vulkan-Embryonen. Stuttgart 1894.
19. C. N. Fenner: Tuffs and other Volcanic Deposits of Katmai and Yellow-
stone park. Trans. American Geophys. Union, 1937.