GAS RELEASE RATES FROM PYROCLASTIC FLOWS: A ASSESSMENT OF THE ROLE OF FLUIDISATION IN THEIR EMPLACEMENTSPARKS RSJ.1978; BULL. VOLCANOL.; ITA; DA. 1978; VOL. 41; NO 1; PP. 1-9; BIBL. 24 REF.; 5 ILL.Article

GRAIN SIZE VARIATIONS IN IGNIMBRITES AND IMPLICATIONS FOR THE TRANSPORT OF PYROCLASTIC FLOWS.SPARKS RSJ.1976; SEDIMENTOLOGY; NETHERL.; 1976, VOL. 23, NUM. 0002, P. 147 A 188Serial Issue

TRIGGERING OF VOLCANIC ERUPTIONS BY EARTH TIDES = DECLANCHEMENT D'ERUPTIONS VOLCANIQUES PAR MAREES TERRESTRESSPARKS RSJ.1981; NATURE (LOND.); ISSN 0028-0836; GBR; DA. 1981; VOL. 290; NO 5806; PP. 448Article

THE DYNAMICS OF BUBBLE FORMATION AND GROWTH IN MAGMAS: A REVIEW AND ANALYSIS.SPARKS RSJ.1978; J. VOLCANOL. GEOTHERM. RES.; NETHERL.; DA. 1978; VOL. 3; NO 1-2; PP. 1-37; BIBL. 2 P.; 14 ILL.Article

A MODEL FOR THE FORMATION OF IGNIMBRITE BY GRAVITATIONAL COLUMN COLLAPSE.SPARKS RSJ; WILSON L.1976; J. GEOL. SOC.; G.B.; DA. 1976; VOL. 132; NO 4; PP. 441-451; BIBL. 1 P. 1/2; 3 ILL.Article

THE GROUND SURGE DEPOSIT: A THIRD TYPE OF PYROCLASTIC ROCKSPARKS RSJ; WALKER GPL.1973; NATURE PHYS. SCI.; G.B. ; 1973, VOL. 241, NUM. 0107, P. 62 A 64Serial Issue

NEW EVIDENCE FOR DEGASSING PROCESSES DURING EXPLOSIVE ERUPTIONS = NOUVELLE MISE EN EVIDENCE DES PROCESSUS DE DEGAZAGE PENDANT LES ERUPTIONS EXPLOSIVESSPARKS RSJ; BRAZIER S.1982; NATURE (LOND.); ISSN 0028-0836; GBR; DA. 1982; VOL. 295; NO 5846; PP. 218-220; BIBL. 4 REF.; 2 TAB. ; TABL./ILL.Article

A PROXIMAL IGNIMBRITE BRECCIA FACIES ON SANTORINI, GREECE = FACIES DE BRECHE PROCHE DES IGNIMBRITES A SANTORIN, GRECEDRUITT TH; SPARKS RSJ.1982; JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH; ISSN 0377-0273; NLD; DA. 1982; VOL. 13; NO 1-2; PP. 147-171; BIBL. 2 P.Article

EFFECT OF DEGASSING ON RHEOLOGY OF BASALTIC LAVASPARKS RSJ; PINKERTON H.1978; NATURE; GBR; DA. 1978; VOL. 276; NO 5686; PP. 385-386; BIBL. 30 REF.Article

THE 1975 SUB-TERMINAL LAVAS, MOUNT ETNA: A CASE HISTORY OF THE FORMATION OF A COMPOUND LAVA FIELD.PINKERTON H; SPARKS RSJ.1976; J. VOLCANOL. GEOTHERM. RES.; NETHERL.; DA. 1976; VOL. 1; NO 2; PP. 167-182; BIBL. 14 REF.; 7 ILL.Article

THE VOLCANOLOGICAL SIGNIFICANCE OF DEEP-SEA ASH LAYERS ASSOCIATED WITH IGNIMBRITES = SIGNIFICATION VOLCANOLOGIQUE DES COUCHES DE CENDRES DE MER PROFONDE ASSOCIES AUX IGNIMBRITESSPARKS RSJ; HUANG TC.1980; GEOL. MAG.; ISSN 0016-7568; GBR; DA. 1980; VOL. 117; NO 5; PP. 425-430; BIBL. 1 P.; 1 TAB. ; ESQUISSE/TABL./ILL.Article

WELDED AIR-FALL TUFFS = TUFS SOUDES EOLIENSSPARKS RSJ; WRIGHT JV.1979; GEOL. SOC. AMER., SPEC. PAPER; USA; DA. 1979; NO 180; PP. 155-166; BIBL. 27 REF.; 4 ANAL.; 3 TAB. ; ESQUISSE/COLONNE STRATIGR./TABL./ANAL./ILL.Article

CHARACTERISTICS OF WIDESPREAD PYROCLASTIC DEPOSITS FORMED BY THE INTERACTION OF SILICIC MAGMA AND WATERSELF S; SPARKS RSJ.1978; BULL. VOLCANOL.; ITA; DA. 1978; VOL. 41; NO 3; PP. 196-212; BIBL. 2 P.Article

FIELD MEASUREMENTS OF THE RHEOLOGY OF LAVAPINKERTON H; SPARKS RSJ.1978; NATURE; GBR; DA. 1978; VOL. 276; NO 5686; PP. 383-385; BIBL. 22 REF.; 3 ILL.Article

THE MINOAN ERUPTION OF SANTORINI, GREECE.BOND A; SPARKS RSJ.1976; J. GEOL. SOC.; G.B.; 1976, VOL. 132, NUM. 0001, P. 1 A 16Serial Issue

DURATION OF LARGE-MAGNITUDE EXPLOSIVE ERUPTIONS DEDUCED FROM GRADED BEDDING IN DEEP-SEA ASH LAYERSLEDBETTER MT; SPARKS RSJ.1979; GEOLOGY; USA; DA. 1979; VOL. 7; NO 5; PP. 240-244; BIBL. 21 REF.; 4 ILL.Article

RIFTING EPISODE IN NORTH ICELAND IN 1874-1875 AND THE ERUPTIONS OF ASKJA AND SVEINAGJASIGURDSSON H; SPARKS RSJ.1978; BULL. VOLCANOL.; ITA; DA. 1978; VOL. 41; NO 3; PP. 149-167; BIBL. 34 REF.Article

GEOLOGICAL AND GEOCHEMICAL STUDIES OF THE SINTRA ALKALINE IGNEOUS COMPLEX, PORTUGALSPARKS RSJ; WADGE G.1975; BULL. VOLCANOL.; ITAL.; DA. 1975 PARU 1976; VOL. 39; NO 3; PP. 385-406; BIBL. 1 P.; 7 ILL.; 24 ANAL.Article

THE PYROPLASTIC DEPOSITS OF THE 1875 ERUPTION OF ASKJA, ICELAND = DEPOTS PYROCLASTIQUES PROVENANT DE L'ERUPTION D'ASKJA EN 1875, ISLANDESPARKS RSJ; WILSON L; SIGURDSSON H et al.1981; PHILOS. TRANS. R. SOC. LOND. SER. A. MATH. PHYS. SCI.; ISSN 0080-4614; GBR; DA. 1981; VOL. 299; NO 1447; PP. 241-273; BIBL. 50 REF.; 11 ANAL.; 3 TAB. ; ESQUISSE/ESQUISSE GEOL./ILL./TABL./ANAL.Serial Issue

THE ENTRANCE OF PYROCLASTIC FLOWS INTO THE SEA. II: THEORETICAL CONSIDERATIONS ON SUBAQUEOUS EMPLACEMENT AND WELDINGSPARKS RSJ; SIGURDSSON H; CAREY SN et al.1980; J. VOLCANOL. GEOTHERM. RES.; NLD; DA. 1980; VOL. 7; NO 1-2; PP. 97-105; BIBL. 2 P.Article

EXPLOSIVE VOLCANIC ERUPTIONS. IV: THE CONTROL OF MAGMA PROPERTIES AND CONDUIT GEOMETRY ON ERUPTION COLUMN BEHAVIOUR = ERUPTIONS VOLCANIQUES EXPLOSIVES. IV: INFLUENCE DES PROPRIETES DU MAGMA ET DE LA GEOMETRIE DU CONDUIT SUR LE COMPORTEMENT DE LA COLONNE ERUPTIVEWILSON L; SPARKS RSJ; WALKER GPL et al.1980; GEOPHYS. J.R. ASTRON. SOC.; ISSN 0016-8009; GBR; DA. 1980; VOL. 63; NO 1; PP. 117-148; BIBL. 2 P.; 2 TAB. ; ILL./TABL.Article

THE EXCEPTIONAL MAGNITUDE AND INTENSITY OF THE TOBA ERUPTION, SUMATRA: AN EXAMPLE OF THE USE OF DEEP-SEA TEPHRA LAYERS AS A GEOLOGICAL TOOLNINKOVICH D; SPARKS RSJ; LEDBETTER MT et al.1978; BULL. VOLCANOL.; ITA; DA. 1978; VOL. 41; NO 3; PP. 286-298; BIBL. 2 P.Article

AN EXPERIMENTAL INVESTIGATION OF VOLATILE EXSOLUTION IN EVOLVING MAGMA CHAMBERS = ETUDE EXPERIMENTALE D'EXSOLUTION D'ELEMENTS VOLATILES POUR ETUDIER LE DEVELOPPEMENT DES CHAMBRES MAGMATIQUESTURNER JS; HUPPERT HE; SPARKS RSJ et al.1983; JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH; ISSN 0377-0273; NLD; DA. 1983; VOL. 16; NO 3-4; PP. 263-277; BIBL. 9 REF.; TABL./ILL.Article

TEPHRA STUDIES, PROCEEDINGS OF THE NATO ADVANCED STUDY INSTITUTE "TEPHRA STUDIES AS A TOOL IN QUATERNARY RESEARCH", HELD IN LAUGARVATN AND REYKJAVIK, ICELAND, JUNE 18-29, 1980 = ETUDES SUR LES CENDRES VOLCANIQUES. COMPTES RENDUS D'UNE REUNION DE L'INSTITUT DES HAUTES ETUDES DU NATO "ETUDES DES CENDRES VOLCANIQUES COMME INSTRUMENT DES RECHERCHES VOLCANIQUES" TENUE A LAUGARVATN ET REYKJAVIK, ISLANDE, 18-29 JUIN 1980SELF S ED; SPARKS RSJ ED.1981; TEPHRA STUDIES, PROCEEDINGS OF THE NATO ADVANCED STUDY INSTITUTE "TEPHRA STUDIES AS A TOOL IN QUATERNARY RESEARCH"/1980/LAUGARVATN & REYKJAVIK; NLD/GBR; DORDRECHT: D. REIDEL/LONDON: D. REIDEL; DA. 1981; 495 P.; 24 CM; BIBL. DISSEM.; NATO ADVANCED STUDY INSTITUTE SERIES C, 75; 17 ANAL.; 44 TAB. ; ILL./ESQUISSE GEOL./TABL./BLOC DIAGR./ESQUISSE/ANAL.Conference Proceedings

DENSITY VARIATION AMONGST MID-OCEAN RIDGE BASALTS: IMPLICATIONS FOR MAGMA MIXING AND THE SCARCITY OF PRIMITIVE LAVASSPARKS RSJ; MEYER P; SIGURDSSON H et al.1980; EARTH PLANET. SCI. LETTERS; NLD; DA. 1980; VOL. 46; NO 3; PP. 419-430; BIBL. 44 REF.Article