CONTROL OF CHARGE COMPOSITION DURING EXPERIMENTS ON "DRY" BASALTS.O'HARA MJ.1976; NAT. ENVIRONMENT RES. COUNC. PUBL., D; G.B.; DA. 1976; NO 6; PP. 136-140Article

PETROGENESIS OF HIGH TITANIUM BASALT AT THE APOLLO 11 SITE-COTECTIC AND EUTECTIC CRYSTALLIZATION IN NATURE.O'HARA MJ.1976; NAT. ENVIRONMENT RES. COUNC. PUBL., D; G.B.; DA. 1976; NO 6; PP. 181-183Article

THE "MISSING BASALT" SERIES OF THE SKAERGAARD AND BUSHVELD IGNEOUS COMPLEXES.O'HARA MJ.1976; NAT. ENVIRONMENT RES. COUNC. PUBL., D; G.B.; DA. 1976; NO 6; PP. 200-203; 2 ILL.Article

ULTRAMAFIC ROCK COMPOSITIONS ; THE USE OF CHEMISTRY AND MINERALOGY AS AN INDICATOR OF FORMATION PROCESS.O'HARA MJ.1970; FORTSCHR. D. MINERAL.; DEU; 1970, VOL. 48, NUM. 0001, P. 31 A 32Miscellaneous

CRYSTAL-LIQUID EQUILIBRIA AND THE ORIGINS OF ULTRAMAFIC NODULES IN BASIC IGNEOUS ROCKS.O'HARA MJ.1967; ULTRAMAFIC.AND.RELATED.ROCKS.J.WILLEY.AND.SONS.NEW-YORK.; 1967, P. 346 A 348Miscellaneous

PYROXENE THERMOMETRY AND BAROMETRY.O'HARA MJ.sdIN: DYN. EARTH'S INTER. SUMMER SCH. GEOPHYS.; CARGESE, CORSICA; 1977; S.L.; DA. S.D.; VOL. 4; PP. (18P.); BIBL. 1 P.Conference Paper

CHEMICAL ZONING AND EVIDENCE FRO RESIDUAL MANTLE FLOTATION BENEATH SOUTH AFRICA.O'HARA MJ.1976; NAT. ENVIRONMENT RES. COUNC. PUBL., D; G.B.; DA. 1976; NO 6; PP. 254Article

HIGH GEOTHERMAL GRADIENT IN ARCHAEAN CRUST.O'HARA MJ.1976; NAT. ENVIRONMENT RES. COUNC. PUBL., D; G.B.; DA. 1976; NO 6; PP. 254Article

SUBCALCIC CLINOPYROXENE PARAGENESES IN GERNET-PERIDOTITES; A NEW UPPER MANTLE MINERAL FACIES.O'HARA MJ.1976; NAT. ENVIRONMENT RES. COUNC. PUBL., D; G.B.; DA. 1976; NO 6; PP. 255Article

VOLATILIZATION LOSSES FROM LUNAR LAVA 14310O'HARA MJ.1972; NATURE; G.B.; DA. 1972; VOL. 240; NO 5376; PP. 95-96; BIBL. 16 REF.Serial Issue

THE ORIGIN OF ECLOGITE AND ARIEGITE NODULES IN BASALT.O'HARA MJ.1969; GEOL. MAG.; GBR; 1969(8), VOL. 106, NUM. 0004, P. 322 A 330Miscellaneous

PRESSURE REQUIRED TO STABILIZE GARNET-PERIDOTITE AND ECLOGITE AT LOW TEMPERATURES.O'HARA MJ.sdIN: INT. CONF. GEOTHERMOM. GEOBAROM.; UNIVERSITY PARK, PA.; 1975; S.L.; RESUME,, P. 1 A 4Book

GEOCHEMICAL EVOLUTION DURING FRACTIONAL CRYSTALLISATION OF A PERIODICALLY REFILLED MAGMA CHAMBER.O'HARA MJ.1977; NATURE; G.B.; DA. 1977; VOL. 266; NO 5602; PP. 503-507; BIBL. 19 REF.; 4 ILL.Article

PARTIAL MELTING LEAVES A LESS DENSE RESIDUUM IN THE MANTLE; IMPLICATIONS FOR MANTLE PLUMES AND GEOTECTONICS.O'HARA MJ.1976; NAT. ENVIRONMENT RES. COUNC. PUBL., D; G.B.; DA. 1976; NO 6; PP. 253Article

THE ARMALCOLITE PROBLEM IN HIGH TITANIUM BASALTS.O'HARA MJ.1976; NAT. ENVIRONMENT RES. COUNC. PUBL., D; G.B.; DA. 1976; NO 6; PP. 180Article

IS THERE AN ICELANDIC MANTLE PLUME.O'HARA MJ.1975; NATURE; G.B.; DA. 1975; VOL. 253; NO 5494; PP. 708-710; BIBL. 10 REF.Article

NON-PRIMARY MAGMAS AND DUBIOUS MANTLE PLUME BENEATH ICELANDO'HARA MJ.1973; NATURE; G.B.; DA. 1973; VOL. 243; NO 5409; PP. 507-508; BIBL. 11 REF.Serial Issue

CRYSTALLIZATION IN A SYNTHETIC BASALT SYSTEM.O'HARA MJ.1969; PROC. GEOL. SOC. LONDON; GBR; 1969(3), NUM. 1651, P. 207 A 208Miscellaneous

THERMAL HISTORY OF EXCAVATION OF ARCHAEAN GNEISSES FROM THE BASE OF THE CONTINENTAL CRUST.O'HARA MJ.1977; J. GEOL. SOC.; G.B.; DA. 1977; VOL. 134; NO 2; PP. 185-200; BIBL. 27 REF.; 7 ILL.Article

PERCENTAGE CRYSTALLINITY AND CALCULATED LIQUID COMPOSITION IN EXPERIMENTAL SAMPLES.O'HARA MJ.1976; NAT. ENVIRONMENT RES. COUNC. PUBL., D; G.B.; DA. 1976; NO 6; PP. 194-195Article

THE APPLICATION OF FLOW DIAGRAMS TO CUMULUS SEQUENCES, TO PARTIAL MELTING RESIDUA, TO CONTAMINATION AND HYBRIDIZATION SEQUENCES, AND TO RELATIONS IN VOLCANIC SUITES.O'HARA MJ.1976; NAT. ENVIRONMENT RES. COUNC. PUBL., D; G.B.; DA. 1976; NO 6; PP. 207-212; 2 ILL.Article

MINERAL FACIES IN ULTRABASIC ROCKS.O'HARA MJ.1967; ULTRAMAFIC.AND.RELATED.ROCKS.J.WILLEY.AND.SONS.NEW-YORK.; 1967, P. 7 A 18Miscellaneous

PYROXENE GRIDS, PALAEOGEOTHERMS AND A NEW MINERAL FACIES IN THE UPPER MANTLE.O'HARA MJ.sdIN: INT. CONF. GEOTHERMOM. GEOBAROM.; UNIVERSITY PARK, PA.; 1975; S.L.; RESUME,, P. 1 A 4Serial Issue

HIGH-TEMPERATURE PYROXENES FROM AN IRONSTONE AT SCOURIE, SUTHERLANDBARNICOAT AC; O'HARA MJ.1979; MINERAL MAG.; GBR; DA. 1979; VOL. 43; NO 327; PP. 371-375; BIBL. 15 REF.Article

PROBLEMS OF IRON GAIN AND LOSS DURING EXPERIMENTATION ON NATURAL ROCKS: THE EXPERIMENTAL CRYSTALLIZATION OF FIVE LUNAR BASALTS AT LOW PRESSURES.O'HARA MJ; HUMPHRIES DJ.1977; IN: MINERAL. TOWARDS TWENTY-FIRST CENTURY. DISCUSSION MEET.; LONDON; 1976; LONDON; R. SOC.; DA. 1977; PP. 79-96; BIBL. 1 P.; 11 ILL.; TIRE A PART DE: PHIL. TRANS. R. SOC. LONDON, A, G.B. 1977, 286, 313-330Conference Paper