BORON, AND OTHER ELEMENTS, IN SOME NAMURIAN SHALES FROM THE NORTH OF ENGLAND.SPEARS DA.1971; IN : 6EME CONGR. INT. STRATIGR. GEOL. CARBONIFERE., IV, SHEFFIELD, 1967.; 1971, P. 1481 A 1490Miscellaneous

THE MINERALOGY OF THE STAFFORD TONSTEIN.SPEARS DA.1971; PROC. YORKSHIRE GEOL. SOC.; GBR; 1971,1972, VOL. 38, NUM. 0004, P. 497 A 516Miscellaneous

TOWARDS A CLASSIFICATION OF SHALES = EN VUE D'UNE CLASSIFICATION DES SHALESSPEARS DA.1980; J. GEOL. SOC.; GBR; DA. 1980; VOL. 137; NO 2; PP. 125-129; BIBL. 28 REF.Article

POREWATER COMPOSITION IN THE UNSATURATED ZONE OF THE CHALK, WITH PARTICULAR REFERENCE TO NITRATESSPEARS DA.1979; QUART. J. ENGNG GEOL.; GBR; DA. 1979; VOL. 12; NO 2; PP. 97-105; BIBL. 23 REF.; 4 ILL.Article

THE FISSILITY OF SOME CARBONIFEROUS SHALES.SPEARS DA.1976; SEDIMENTOLOGY; NETHERL.; DA. 1976; VOL. 23; NO 5; PP. 721-725; BIBL. 14 REF.Article

MINERALOGY AND GEOCHEMISTRY OF SOME QUATERNARY DEPOSITS IN THE VALE OF YORK.SPEARS DA.1975; PROC. YORKSHIRE GEOL. SOC.; G.B.; 1975, VOL. 40, NUM. 0003, P. 353 A 372Serial Issue

A LAMINATED MARINE SHALE OF CARBONIFEROUS AGE FROM YORKSHIRE, ENGLANDSPEARS DA.1969; J. SEDIMENT. PETROL.; USA; 1969(3), VOL. 39, NUM. 0001, P. 106 A 112Miscellaneous

GEOCHEMICAL ASPECTS OF THE SANTONIAN CHALK OF RAMSGATE, ENGLAND, AND THE ORIGIN OF THE CHERT AND CLAY MINERALSSPEARS DA.1979; MINERAL. MAG.; GBR; DA. 1979; VOL. 43; NO 325; PP. 159-164; BIBL. 25 REF.; 3 ILL.Article

A KAOLINITE MUDSTONE (TONSTEIN) IN THE BRITISH COAL MEASURES.SPEARS DA.1970; J. SEDIMENT. PETROL.; USA; 1970(3), VOL. 40, NUM. 0001, P. 386 A 394Miscellaneous

GEOCHEMISTRY AND MINERALOGY OF TRIASSIC SANDSTONES AND IMPLICATIONS FOR GROUNDWATER COMPOSITION = GEOCHIMIE ET MINERALOGIE DE GRES TRIASIQUES; IMPLICATIONS POUR LA COMPOSITION DES EAUX SOUTERRAINESSPEARS DA.1983; MINERALOGICAL MAGAZINE; ISSN 0026-461X; GBR; DA. 1983; VOL. 47; NO 2; PP. 183-190; BIBL. 15 REF.; ILL./TABL./ANAL.Article

POREWATER REACTIONS IN THE UNSATURATED ZONE WITH SPECIAL REFERENCE TO GROUNDWATER QUALITY IN ENGLAND = LES REACTIONS DE L'EAU INTERSTITIELLE DANS LA ZONE NON SATUREE AVEC MENTION SPECIALE A LA QUALITE DE L'EAU SOUTERRAINE EN ANGLETERRESPEARS DA.1983; SPEC. PUBL.-GEOL. SOC. LOND.; ISSN 0375-6440; GBR; DA. 1983; NO 11; PP. 13-18; BIBL. 1 P.; ILL.Article

THE RECOGNITION OF VOLCANIC CLAYS AND THE SIGNIFICANCE OF HEAVY MINERALS = DECOUVERTE D'ARGILES VOLCANIQUES ET SIGNIFICATION DES MINERAUX LOURDSSPEARS DA.1982; CLAY MINERALS; ISSN 0009-8558; GBR; DA. 1982; VOL. 17; NO 3; PP. 373-375; BIBL. 10 REF.Article

INFORMATION ON GROUNDWATER COMPOSITION OBTAINED FROM A LABORATORY STUDY OF SEDIMENT-WATER INTERACTION.SPEARS DA.1976; QUART. J. ENGNG GEOL.; G.B.; 1976, VOL. 9, NUM. 0001, P. 25 A 36Serial Issue

RELATIONSHIP BETWEEN EXCHANGEABLE CATIONS AND PALAEOSALINITYSPEARS DA.1973; GEOCHIM. COSMOCHIM. ACTA; G.B. ; 1973, VOL. 37, NUM. 0001, P. 77 A 85Serial Issue

GEOCHEMISTRY AND MINERALOGY OF MARINE AND NON-MARINE NAMURIAN BLACK SHALES FROM THE TANSLEY BOREHOLE, DERBYSHIRE = GEOCHIMIE ET MINERALOGIE DES SHALES NOIRS NAMURIENS MARINS ET NON MARINS PROVENANT DU SONDAGE TANSLEY, DERBYSHIRESPEARS DA; AMIN MA.1981; SEDIMENTOLOGY; ISSN 0037-0746; NLD; DA. 1981; VOL. 28; NO 3; PP. 407-417; BIBL. 28 REF.; 5 TAB. ; ILL./TABL.Article

A MINERALOGICAL AND GEOCHEMICAL STUDY OF TURBIDITE SANDSTONES AND INTERBEDDED SHALES, MAM TOR, DERBYSHIRE, UK = ETUDE MINERALOGIQUE ET GEOCHIMIQUE DE GRES A TURBIDITES ET DE SHALES INTERSTRATIFIES, MAM TOR, DERBYSHIRE, GRANDE-BRETAGNESPEARS DA; AMIN MA.1981; CLAY MINER.; ISSN 0009-8558; GBR; DA. 1981; VOL. 16; NO 4; PP. 333-345; ABS. FRE/GER/SPA; BIBL. 24 REF.; ILL.Article

THE DETERMINATION OF FELDSPARS IN MUDROCKS USING AN X-RAY POWDER DIFFRACTION METHOD.FELLOWS PM; SPEARS DA.1978; CLAYS CLAY MINER.; GBR; DA. 1978; VOL. 26; NO 3; PP. 231-236; ABS. RUS/GER/FRE; BIBL. 14 REF.; 3 ILL.Article

AN UPPER CARBONIFEROUS TONSTEIN OF VOLCANIC ORIGINSPEARS DA; RICE CM.1973; SEDIMENTOLOGY; NETHERL. ; 1973, VOL. 20, NUM. 0002, P. 281 A 294Serial Issue

LABORATORY INVESTIGATION OF MUDROCKS = ETUDE AU LABORATOIRE DES MUDSTONESTAYLOR RK; SPEARS DA.1981; Q. J. ENG. GEOL.; ISSN 0481-2085; GBR; DA. 1981; VOL. 14; NO 4; PP. 291-309; BIBL. 3 P.; 1 TAB. ; TABL./ILL.Article

THE INFILTRATION RATE INTO AN AQUIFER DETERMINED FROM THE DISSOLUTION OF CARBONATE.SPEARS DA; REEVES MJ.1975; GEOL. MAG.; G.B.; 1975, VOL. 112, NUM. 0006, P. 585 A 591Serial Issue

THE FORMATION OF SEDIMENTARY IRON MINERALS.CURTIS CD; SPEARS DA.1968; ECON. GEOL.; USA; 1968(5), VOL. 63, NUM. 0003, P. 257 A 270Miscellaneous

THE INFLUENCE OF SUPERFICIAL DEPOSITS ON GROUNDWATER QUALITY IN THE VALE OF YORK.SPEARS DA; REEVES MJ.1975; QUART. J. ENGNG GEOL.; G.B.; 1975, VOL. 8, NUM. 0004, P. 255 A 269Serial Issue

THE INFLUENCE OF WEATHERING ON THE COMPOSITION AND ENGINEERING PROPERTIES OF IN SITU COAL MEASURES ROCKS = INFLUENCE DE L'ALTERATION SUR LA COMPOSITION ET LES PROPRIETES MECANIQUES DES ROCHES IN SITU DES COAL MEASURESSPEARS DA; TAYLOR RK.1972; INTERNATION. J. ROCK MECH. MING SCI.; G.B.; DA. 1972; VOL. 9; NO 6; PP. 729-756; H.T. 2; BIBL. 25 REF.Serial Issue

AN UNUSUAL CARBONATE BAND IN THE EAST PENNINE COALFIELD (ENGLAND).TAYLOR RK; SPEARS DA.1967; SEDIMENTOLOGY; NLD; 1967(8), VOL. 9, NUM. 0001, P. 55 A 73Miscellaneous

TITANIUM IN SOME CARBONIFEROUS SEDIMENTS FROM GREAT BRITAIN.SPEARS DA; KANARIS SOTIRIOU R.1976; GEOCHIM. COSMOCHIM. ACTA; G.B.; 1976, VOL. 40, NUM. 0003, P. 345 A 351Serial Issue