THE LATE PRECAMBRIAN CENTRAL NORTH AMERICAN RIFT SYSTEM - A SURVEY OF RECENT GEOLOGICAL AND GEOPHYSICAL INVESTIGATIONSHALLS HC.1978; TECTONICS AND GEOPHYSICS OF CONTINENTAL RIFTS. PROCEEDINGS OF THE NATO ADVANCED STUDY INSTITUTE "PALEORIFT SYSTEMS WITH EMPHASIS ON THE PERMIAN OSLO RIFT"/1977/OSLO; NLD; DORDRECHT: D. REIDEL; DA. 1978; VOL. 2; PP. 111-123; BIBL. 2 P.; 4 ILL.Conference Paper

GEOLOGICAL INTERPRETATION OF GEOPHYSICAL DATA FROM THE LAKE SUPERIOR REGION.HALLS HC.1972; DISSERT. ABSTR. INTERNATION., B; USA; 1972, VOL. 32, NUM. 0007, P. 4016 A 4017Miscellaneous

SEPARATION OF MULTICOMPONENT NRM: COMBINED USE OF DIFFERENCE AND RESULTANT MAGNETIZATION VECTORSHALLS HC.1979; EARTH PLANET. SCI. LETTERS; NLD; DA. 1979; VOL. 43; NO 2; PP. 303-308; BIBL. 7 REF.; 5 ILL.Article

THE STRUCTURAL RELATIONSHIP BETWEEN ARCHEAN GRANITE-GREENSTONE TERRAINS AND LATE ARCHEAN MAFIC DIKESHALLS HC.1978; CANAD. J. EARTH SCI.; CAN; DA. 1978; VOL. 15; NO 10; PP. 1665-1668; ABS. FRE; BIBL. 22 REF.; 4 ILL.Article

A PALEOMAGNETIC REVERSAL IN THE OSLER VOLCANIC GROUP, NORTHERN LAKE SUPERIOR.HALLS HC.1974; CANAD. J. EARTH SCI.; CAN; 1974, VOL. 11, NUM. 0009, P. 1200 A 1207Serial Issue

MAGNETIC STUDIES IN NORTHERN LAKE SUPERIORHALLS HC.1972; CANAD. J. EARTH SCI.; CANADA; DA. 1972; VOL. 9; NO 11; PP. 1349-1367; ABS. FR.; BIBL. 1P.Serial Issue

THE USE OF CONVERGING REMAGNETIZATION CIRCLES IN PALAEMOGNATISM.HALLS HC.1978; PHYS. EARTH PLANET. INTER.; NETHERL.; DA. 1978; VOL. 16; NO 1; PP. 1-11; BIBL. 19 REF.; 6 ILL.Article

SHOCK-INDUCED REMANENT MAGNETISATION IN LATE PRECAMBRIAN ROCKS FROM LAKE SUPERIOR.HALLS HC.1975; NATURE; G.B.; 1975, VOL. 255, NUM. 5511, P. 692 A 695Serial Issue

GEOPHYSICAL STUDIES IN NORTHERN LAKE SUPERIOR.HALLS HC.1972; GEOL. SOC. AMER., ABSTR. PROGRAMS; USA; 1972, VOL. 4, NUM. 0007, P. 525Serial Issue

COMPRESSIONAL WAVE VELOCITIES OF KEWEENAWAN ROCK SPECIMENS FROM THE LAKE SUPERIOR REGION.HALLS HC.1969; CANAD. J. EARTH SCI.; CAN; 1969(8), VOL. 6, NUM. 0004, P. 555 A 568Miscellaneous

THE SLATE ISLANDS: A PROBABLE COMPLEX METEORITE IMPACT STRUCTURE IN LAKE SUPERIOR.HALLS HC; GRIEVE RAF.1976; CAN. J. EARTH SCI.; CANADA; DA. 1976; VOL. 13; NO 9; PP. 1301-1309; ABS. FR.; BIBL. 1 P.Article

REMAGNETIZATION IN KEWEENAWAN ROCKS; PART II, LAVA FLOWS WITHIN THE COPPER HARBOR CONGLOMERATE, MICHIGAN = RE-AIMANTATION DES ROCHES DE LA SERIE DE KEWEENAW; 2EME PARTIE, LES COULEES DE LEVE DANS LE CONGLOMERAT DE COPPER HARBOR, MICHIGANHALLS HC; PALMER HC.1981; CAN. J. EARTH SCI.=J. CAN. SCI. TERRE; ISSN 0008-4077; CAN; DA. 1981-09; VOL. 18; NO 9; PP. 1395-1408; ABS. FRE; BIBL. 22 REF.; 2 TAB. ; ILL.Article

COMMENTS ON "A LEAST-SQUARES METHOD TO FIND A REMANENCE DIRECTION FROM CONVERGING REMAGNETIZATION CIRCLES" BY H.C. HALLS. REPLY.MCFADDEN PL; HALLS HC.1977; GEOPHYS. J. R. ASTR. SOC.; G.B.; DA. 1977; VOL. 48; NO 3; PP. 549-552; BIBL. 5 REF.Article

DIATREMES AND SHOCK FEATURES IN PRECAMBRIAN ROCKS OF THE SLATE ISLANDS, NORTHEASTERN LAKE SUPERIOR: DISCUSSIONHALLS HC; ROBERTSON PB; GRIEVE RAF et al.1979; GEOL. SOC. AMER., BULL.; USA; DA. 1979; VOL. 90; NO 11; PP. 1084-1088; BIBL. 40 REF.Article