Jökull - 01.12.1985, Blaðsíða 70

Cumulative % Finer
TABLE 2. Mean sizes of largest clasts at sites along deposit (in mm ± 1 standard deviation, n=10 at each site)
TAFLA 2. Meðalstœrð stœrstu bergmola í hlaupinu.
Distance from gully Size Distance from gully Size
source (m) source (m)
10 (GLJ2&3) 39.2F5.35 150 (Nr. GLJ4) 14.0±2.31
22.5 33.0±12.97 170 17.7±5.11
52.5 21.8±3.71 205 18.7±2.21
70 12.9±2.4 240 (GLJ5) 12.0±2.83
77.5 15.4±5.6 260 17.0±2.40
82.5 19.3±2.8 275 12.8±1.23
110 18.9±2.88 285 11.0±1.05
120 16.4±3.69 290 14.6±1.17
Fig. 4. Particle size curves for samples from the deposit
compared with earlier samples taken from the till in
Gljúfurárdalur. — 4. mynd. Kornastœrðardreifing sets í
Gljúfurárdal.
REFERENCES
Briggs, D., 1977: Sources and Methods in Geography:
Sediments. Butterworths, London. 192 pp.
Caseldine, C.J., 1983: Resurvey of the margins of Gljúf-
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on. Jökull, 33: 111-118.
Caseldine, C.J., 1985: The extent of some glaciers in
Northern Iceland during the Little Ice Age and the
nature of recent deglaciation. Geographical Jour-
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Caseldine, C.J. and R.A. Cullingford, 1981: Recent
mapping of Gljúfurárjökull and Gljúfurárdalur. Jök-
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Eythórsson, J., 1956: Jöklabreytingar 1954/55 og 55/56.
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Eythórsson, J., 1963: Variations of Icelandic glaciers
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Goudie, A., 1981: Geomorphological Techniques. Ge-
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the Little Ice Age in southern Norway: relative-age
dating of Neoglacial moraines with Schmidt hammer
and lichenometry. Boreas, 13: 333—346.
Miiller, H-N., 1984: Spátglaziale Gletscherschwank-
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Nordislándischen Tröllaskagi — Gebirge. Buchdruck-
erei Kung AG, Náfels. 205 pp.
Rist, S., 1977: Jöklabreytingar 1964/65—1973/74 (10 ár),
1974/75-1975/76 (2 ár) og 1976/77. Jökull, 27: 88-
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Rist, S., 1983: Jöklabreytingar 1964/65—1973/74 (10 ár),
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144.
Accepted 20th June 1984.
68 JÖKULL 35. ÁR