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synthetic glasses at pH 4 and 25° C. Geochemistry of Crustal

fluids: The Role and Fate of Trace Elements in Crustal

Fluids. EURESCO Conference, Seefeld in Tyrol, Austria,

December 14-19, 2002, p. 117.

Wolff-Boenisch, D., Gíslason, S. R., and Oelkers, E. H. (2002).

Proton/Al+3 exchange reactions as a precursor of the

hydrolysis of volcanic glasses. Geochemistry of Crustal

fluids: The Role and Fate of Trace Elements in Crustal

Fluids. EURESCO Conference, Seefeld in Tyrol, Austria, Dec-

ember 14-19, 2002, p. 118.

Gíslason, S. R., E. H. Oelkers, D. Wolff-Boenisch and Ó. Arnalds

(2002). Basaltic glass dissolution. Abstracts. The Fall

Meeting of the Icelandic Geological Society, dedicated to the

seventieth birthday of Guðmundur Sigvaldason. pp. 21-24.

Gíslason, S. R., M. I. Kardjilov. G. Gísladóttir, E. S. Eiríksdóttir, B.

Sigfússon, S. Ó. Elefsen, Árni Snorrason, D. Wolff-Boenisch,

E. H. Oelkers, and p. Torsander (2002). A quantitative field

based study of basalt/basaltic glass weathering and its role

in carbon fixation. Geochimica et Cosmochimica Acta

Special Supplement. Goldschmidt Conference Abstracts

2002, p. A275.

Wolff-Boenisch D., Gislason S. R. and Oelkers E. H. (2002).

Dissolution rates of volcanic glasses of different chemical

composition. Geochimica et Cosmochimica Acta Special

Supplement. Goldschmidt Conference Abstracts 2002, p.

A843.

Wolff-Boenisch, D., Gíslason, S. R., and Oelkers, E. H. (2002):

Dissolution rates of volcanic glasses as a function of

aqueous fluoride concentration. Bull. Liaison S. F. M. C., Vol

14, 29-30.

Gíslason, S. R., Árni Snorrason, Eydís Salome Eiríksdóttir,

Bergur Sigfússon, Sverrir Óskar Elefsen, Jórunn Harðar-

dóttir, Ásgeir Gunnarsson, Einar Örn Hreinsson, Peter

Torsander, Marin I. Kardjilov og Níels Örn Óskarsson (2002).

Efnasamsetning, rennsli og aurburður straumvatna á Aust-

urlandi. Vorráðstefna 2002. Ágrip erinda og veggspjalda.

Jarðfræðafélag Íslands, pp. 45-48.

Kardjilov, M. I., Gísladóttir, G., and Gíslason, S. R. (2002). GIS

modelling of organic and inorganic matter transport in

Northeast Iceland. Ágrip erinda og veggspjalda. Jarðfræða-

félag Íslands, p. 29.

Kardjilov, M. I., Gísladóttir, G., and Gíslason, S. R. (2002). GIS

modelling of organic matter and rock weathering and

present fixation of carbon by vegetation in Northeast Ice-

land. Ágrip erinda og veggspjalda. Landafræðifélag Íslands,

p. 17.

Pokrovsky, O. S., J. Mielczarski, E. Mileczarski, O. Barres, A.

Gelabert, E. H. Oelkers, S. Gislasson, and J. Schott (2002).

Application of surface infrared spectroscopy (Diffuse

Reflectance and Attenuated Total Reflectance) for studying

interfaces of minerals, microorganisms and earth

materials. 3eme Journee de Spectroscopies de Vibration,

UPS, Toulouse, 26 April 2002.

Gíslason S. R. and Eiríksdóttir E. S. (2002). Al toxicity at high pH

in lake Ellidavatn, Iceland. The 25th Nordic Geological

Winter Meeting, January 6th-9th, 2002, Reykjavík, Iceland,

p. 63.

Gíslason S. R. and Oelkers E. H. (2002). The mechanism, rates,

and consequences of basaltic glass dissolution: II. An

experimental study of the dissolution rates of basaltic glass

as a function of pH at temperatures from 6° to 150° C. The

25th Nordic Geological Winter Meeting, January 6th-9th,

2002, Reykjavík, Iceland, p. 64.

Frogner P., Gíslason S. R. and Óskarsson N. (2002).

Biogeochemical response to pristine volcanic ash exposed

in surface water. The 25th Nordic Geological Winter Meeting,

January 6th-9th, 2002, Reykjavík, Iceland, p. 50.

Thorbergsdóttir, I. M., and Gíslason, S. R. (2002). Benthic flux of

nutrients and metals in Lake Mývatn, Iceland. The 25th

Nordic Geological Winter Meeting, January 6th-9th, 2002,

Reykjavík, Iceland, p. 214.

Wolff-Boenisch D. and Gíslason S. R. (2002). Dissolution rate of

volcanic glass as a function of glass composition. The 25th

Nordic Geological Winter Meeting, January 6th-9th, 2002,

Reykjavík, Iceland, p. 232.

Vigier N., Burton K. W., Gislason S. R., Rogers, N. W., Schaefer

B. F. and James R. H. (2002). Constraint on basalt erosion

from Li isotopes and U-series nuclides measured in Iceland

rivers. Geochimica et Cosmochimica Acta Special

Supplement. Goldschmidt Conference Abstracts 2002, p.

A806.

Goldschmidt Medal Committee of the Geochemical Society 2002.

The most distinguished metal of the Geochemical Society.

Sigurður Jakobsson fræðimaður

Grein í ritrýndu fræðiriti

Determination of Si/Al ratios in semicrystalline aluminosilicates

by FT-IR spectroscopy. Sigurdur Jakobsson, Applied

spectroscopy 56, 6, 797-800. 2002.

Fræðilegar skýrslur og álitsgerðir

I. Gunnarsson, S. Arnórsson og S. Jakobsson. Magnesium-

silicate scales in geothermal utilization. An experimental

study. Science Institute, University of Iceland. RH-06-02.

S. Jakobsson. Innrauðar greiningar á málningu. Skýrsla til

Ríkislögreglustjóra. Science Institute, University of Iceland.

RH-23-02.

Fyrirlestur

S. Steinþórsson, I. A. Sigurðsson, S. Jakobsson og Ö. Helgason.

Evidence from early chromites about the oxidation state of

mantle melts and their volatile content. 25th Nordic Geo-

logical Winter Meeting, Reykjavík, 2002, p. 200.

Veggspjöld

S. Jakobsson og I. Gunnarsson. Determination of Si/Al in alu-

minosilicates by FTIR. 25th Nordic Geological Winter

Meeting, Reykjavík, 2002, p. 90.

I. Gunnarsson, S. Arnórsson og S. Jakobsson. Útfelling

magnesíum silikats. Vísindadagar.

S. Jakobsson og Viktor Smári Sæmundsson. Málverkafalsanir.

Vísindadagar. Kynning Raunvísindastofnunar.

I. Gunnarsson, S. Arnórsson og S. Jakobsson. Útfelling

magnesíum silikats. Fræðslufundur Landsvirkjunar.

Jarðeðlisfræðistofa

Árný E. Sveinbjörnsdóttir vísindamaður

Greinar í ritrýndum fræðiritum

Andrew, J. T., Geirsdóttir, Á., Harðardóttir, J., Principato, S.,

Gronvöld, K., Kristjánsdóttir, G., Helgadóttir, G., Drexler, J.,

and Sveinbjörnsdóttir, Á. E. 2002. Distribution, sediment

magnetism and geochemistry of the Saksunarvatn

(10180±60 cal. yr BP) tephra in marine, lake, and terrestrial

sediments, northwest Iceland. Journal of Quaternary

Science, 17, 731-745.

Arnórsson, S. Gunnarsson, I., Stefánsson, A., Andrésdóttir, A.,

and Sveinbjörnsdóttir, Á. E. 2002. Major element chemistry

of surface-and ground waters in basaltic terrain, N-Iceland.

I. Primary mineral saturation. Geochemica et Cosmochim-

ica Acta, 66, 4015-4046.

Gíslason, S. R., Snorrason, Á., Kristmannsdóttir, H., Svein-