Jökull - 01.01.2010, Blaðsíða 184

A. Stefánsson
Neuhoff, P. S. 2000. Thermodynamic Properties and Para-
geneses of Rock-forming Zeolites. Ph.D. Thesis, Stan-
ford University, Stanford, CA, 240 pp.
Neuhoff, P. S., Th. Fridriksson, S. Arnórsson and D. K.
Bird 1999. Porosity evolution and mineral paragene-
sis during low-grade metamorphism of basaltic lavas
at Teigarhorn eastern Iceland. Amer. J. Sci. 299, 467–
501.
Neuhoff, P. S., K. L. Rogers, L. S. Stannius, D. K. Bird and
A. K. Pedersen 2006. Regional very-low grade meta-
morphism of basaltic lavas, Disko-Nuussuaq region,
West Greenland. Lithos 92, 33–54.
Oelker, E. H. and S. R. Gíslason 2001. The mechanism,
rates, and consequences of basaltic glass dissolution:
I. An experimental study of the dissolution rates of
basaltic glass as a function of aqueous Al, Si and ox-
alic acid concentration at 25◦C and pH = 3 and 11.
Geochim. Cosmochim. Acta 65, 3671–3681.
Parkhurst, D. L. and C. A. J. Appelo 1999. User’s Guide
to PHREEQC (version 2): A computer program for
speciation, batch reaction, one-dimensional transport
and inverse geochemical calculations. U.S.G.S. report
99–4259, 310 pp.
Pogge von Strandmann, P. A. E., K. W. Burton, R. H.
James, P. van Calsteren, S. R. Gíslason and B. Sigfús-
son 2008. The influence of weathering processes on
riverine magnesium isotopes in basaltic terrain. Earth
Planet. Sci. Lett. 276, 187–197.
Robie, R. A. and B. S. Hemingway 1995. Thermodynamic
properties of minerals and related substances at 298.15
K and 1 bar (105 Pascals) pressure and higher temper-
atures. U. S. Geol. Surv. Bull. 1452, 436 pp.
Rogers, K. L., P. S. Neuhoff, A. K. Pedersen and
D. K. Bird 2006. CO2 metasomatism in basalt-
hosted petroleum reservoir, Nuussuaq, West Green-
land. Lithos 92, 55–82.
Schiffman, P. and G. Ó. Fridleifsson 1991. The smectite-
chlorite transition in drillhole NJ-15, Nesjavellir
geothermal field, Iceland: XRD, BSE and electron mi-
croprobe investigation. J. Metam. Geol. 9, 679–696.
Sigfússon, B., S. R. Gíslason and G. I. Paton 2008. Pe-
dogenesis and weathering rates of a Histic Andosol
in Iceland: Field and experimental soil solution study.
Geoderma 144, 572–592.
Stefánsson, A. and S. Arnórsson 1999. Feldspar saturation
state in natural waters. Geochim. Cosmochim. Acta 64,
2567–2584.
Stefánsson, A. and S. R. Gíslason 2001. Chemical weath-
ering of basalts, SW Iceland. Effect of rock crys-
tallinity, weathering minerals and vegetative cover on
chemical fluxes to the ocean. Amer. J. Sci. 301, 513–
556.
Sukheswala, R. N., R. K. Avasis and M. Gangopadhyay
1974. Zeolites and associated secondary minerals in
the Deccan Traps of Western India. Mineral Mag. 39,
658–671.
Tardy, Y. and B. Fritz 1981. An ideal solid solution model
for calculating solubility of clay minerals. Clay Min.
16, 361–373.
Wada, K., Ó. Arnalds, Y. Kakuto, L. P. Wilding and C. T.
Hallmark 1992. Clay minerals of four soils formed in
eolian and tephra materials in Iceland. Geoderma 52,
351–365.
Walker, G. P. L. 1960. Zeolite zones and dike distribution
in relation to the structure of the basalts of Eastern Ice-
land. J. Geol. 68, 515–528.
Weisenberger, T. and R. S. Selbekk 2009. Multi-stage zeo-
lite facies mineralization in the Hvalfjördur area, Ice-
land. Int. J. Earth Sci. 98, 985–999.
Ziemniak, S. E., M. E. Jones and K. E. S. Combs 1993.
Solubility behavior of titanium (IV) oxide in alkaline
media at elevated temperatures. J. Sol. Chem. 22, 601–
623.
184 JÖKULL No. 60