Jökull - 01.12.1984, Page 13

steinsdóttir and Hrefna Kristmannsdóttir. Samples
from the earlier eruptions were obtained from the
collections of the Nordic Volcanological Institute
and the Museum of Natural History.
Helgi Björnsson, Páll Einarsson and Sveinn
Jakobsson read the manuscript and suggested
various improvements.
APPENDIX
List of samples from eruptions in Grímsvötn
1983, 1934, 1922 and 1903. The analyses are
listed in Table 1. First column is the sample
number but the second is the year of the erup-
tion. Samples from the 1983 eruption were collec-
ted by HO Halldór Ólafsson HK Hrefna Krist-
mannsdóttir, HTh Hildigunnur Thorsteinsdóttir
and BB Bryndís Brandsdóttir.
1. 1983 From Vestari Svíahnjúkur, south ash
fan - HK. Mus. Nat. Hist. 9165.
2. 1983 North margin of the lake, north ash fan
- HK. Mus. Nat. Hist. 9168.
3. 1983 100 m north of the lake, north ash fan —
HK. Mus. Nat. Hist. 9169.
4. 1983 Margin of the lake, north ash fan -
HK. Mus. Nat. Hist. 9166.
5. 1983 Scoria from lake margin, north ash fan
— HK. Mus. Nat. Hist. 9167.
6. 1983 Mus. Nat. Hist. no. 4380
7. 1922 Mus. Nat. Hist. no. 9161
8. 1922 Mus. Nat. Hist. no. 9160
9. 1903 Mus. Nat. Hist. no. 9162
10. 1983 Margin of the lake, north ash fan -
HO.
11. 1983 Margin of the lake, north ash fan -
HO.
12. 1983 Margin of the lake, north ash fan —
HO.
13. 1983 Margin of the lake, north ash fan —
HO.
14. 1983 Margin of the lake, north ash fan —
HO.
15. 1983 Between Vestri and Eystri Svíahnjúkur,
east ash fan — BB.
17. 1934 Collected by Guðmundur Einarsson.
18. 1934 Collected by Guðmundur Einarsson.
Same sample as SAL 51 in Steinthórsson
(1977).
19. 1934 Collected by Guðmundur Einarsson.
20. 1934 Collected by Guðmundur Einarsson
dated April 4th.
21. 1934 Collected by Guðmundur Einarsson.
22. 1934 Collected by Guðmundur Einarsson.
23. 1934 Collected by Guðmundur Einarsson.
Samples 24-29 were all collected at weather
stations on April lst 1934. The numbers are those
of the Mus. Nat. Hist.
24. 1934 Reykjahlíð - A 1955; 76 107
25. 1934 Grímsstaðir á Fjöllum — A 1955;75 106
26. 1934 Breiðdalsvík — A 1955;75 106
27. 1934 Vopnafjörður - A 1955;77 108.
28. 1934 Vopnafjörður — A 1955;73 104.
29. 1934 Papey - A 1955; 72 103
30. 1983 Eystri Svíahnjúkur, east ash fan —
HTh. Mus. Nat. Hist. 9164.
JÖKULL 34. ÁR 11