UM BERGFRAE NONDI HEKLU. = SUR LES ERUPTIONS DU HEKLASIGVALDASON GE.1975; NATTURUFROED; ISL.; 1975, VOL. 44, NUM. 0007, P. 153 A 170Serial Issue

GEOCHEMICAL METHODS IN GEOTHERMAL EXPLORATIONSIGVALDASON GE.sdIN: GEOTHERMAL ENERGY; PARIS UNESCO (EARTH SCI. 12),1973, P. 49 A 59Book

WORLD ORGANISATION OF VOLCANO OBSERVATORIES = ORGANISATION A L'ECHELLE MONDIALE DES OBSERVATOIRES DES VOLCANSSIGVALDASON GE.1981; VOLCANO NEWS; ISSN 0271-8936; USA; DA. 1981-10; NO 8; PP. 6Article

STRUCTURE AND PRODUCTS OF SUBAQUATIC VOLCANOES IN ICELAND.SIGVALDASON GE.1968; BEITR. MINERAL PETROL; DEU; 1968, VOL. 18, NUM. 0001, P. 1 A 16Miscellaneous

FLUIDS IN VOLCANIC AND GEOTHERMAL SYSTEMS = FLUIDES DANS LES SYSTEMES VOLCANIQUES ET GEOTHERMIQUESSIGVALDASON GE.1981; PHYS. CHEM. EARTH; ISSN 0079-1946; GBR; DA. 1981; VOL. 13-14; PP. 179-195; BIBL. 2 P.; ILL.Conference Paper

DYNGJUFJOLL AND ASKJA. (ABSTRACT).SIGVALDASON GE.1967; ICELAND.AND.MID.OCEAN.RIDGES.SOC.SCIENT.ISLANDICA.REPORT.OF.A.SYMPOS.; 1967, VOL. 38Miscellaneous

BASALTS FROM THE CENTRE OF THE ASSUMED ICELANDIC MANTLE PLUME.SIGVALDASON GE.1974; J. PETROL.; G.B.; 1974, VOL. 15, NUM. 0003, P. 497 A 524Serial Issue

CHEMISTRY OF BASALTS FROM THE ICELANDIC RIFT ZONE AND DISCUSSION.SIGVALDASON GE.1967; ICELAND.AND.MID.OCEAN.RIDGES.SOC.SCIENT.ISLANDICA.REPORT.OF.A.SYMPOS.; 1967, VOL. 38, P. 50 A 52Miscellaneous

CHEMISTRY OF THOLEIITIC BASALTS FROM ICELAND AND THEIR RELATION TO THE KVERKJFOELL HOT SPOT.SIGVALDASON GE; STEINTHORSSON S.sdIN: GEODYN. ICELAND NORTH ATLANTIC AREA. PROC. NATO ADV. STUD. INST.; REYKJAVIK; 1974; DORDRECHT D. REIDEL,1974, P. 155 A 164Miscellaneous

CHLORINE IN BASALTS FROM ICELAND.SIGVALDASON GE; OSKARSSON N.1976; GEOCHIM. COSMOCHIM. ACTA; G.B.; DA. 1976; VOL. 40; NO 7; PP. 777-789; BIBL. 1 P. 1/2; 10 ILL.Article

CHEMISTRY OF THOLEIITIC BASALTS FROM ICELAND AND THEIR RELATION TO THE KVERSKJOELL HOT SPOT.SIGVALDASON GE; STEINTHORSSON S.1974; IN: GEODYN. ICELAND NORTH ATL. AREA. PROC. NATO ADV. STUDY INST.; REYKJAVIK, ICELAND; 1974; DORDRECHT, HOLL.; D. REIDEL; DA. 1974; PP. 155-164; BIBL. 1 P.Conference Paper

ICELAND - OCEANIC OR CONTINENTAL.PALMASON G; SIGVALDASON GE.1976; IN: GEODYN. PROGRESS PROSPECTS; WASHINGTON; AM. GEOPHYS. UNION; DA. 1976; PP. 56-58Book Chapter

THE HEKLA ERUPTION OF 1970THORARINSSON S; SIGVALDASON GE.1973; BULL. VOLCANOL.; ITAL.; DA. 1973; VOL. 36; NO 2; PP. 269-288; BIBL. 8 REF.; 14 ILL.; 7 ANAL.Serial Issue

THE SIMULTANEOUS PRODUCTION OF BASALTS, ENRICHED AND DEPLETED IN LARGE LITHOPHILIC TRACE IONS (LIL), WITHIN THE SAME FISSURE SWARMS IN ICELAND.SIGVALDASON GE; STEINTHORSSON S; OSKARSSON N et al.1976; BULL. SOC. GEOL. FR.; FR.; DA. 1976; VOL. 18; NO 4; PP. 863-867; ABS. FR.; BIBL. 11 REF.; 4 ILL.; (CREATION LITHOS. OCEANIQUE. COLLOQ.; BREST; 1975)Conference Paper