40Ar/39Ar laser dating of zoned white micas from the Lake Lewis leucogranite, South Mountain Batholith, Nova Scotia, Canada

Canadian Mineralogist

Volumn 42, Issue 4, 2004, Pages 1129-1137

  Reynolds, Peter H ^a   Clarke, D Barrie ^a   Bogutyn, Patrick A ^a  

^a DALHOUSIE UNIVERSITY   (Canada)

Author keywords

40Ar 39Ar; Ages; Epitactic growth; Laser; Micas; Nova Scotia; South Mountain Batholith; Zoning

Indexed keywords

ARGON; CRYSTALLIZATION; DATA REDUCTION; GEOCHRONOLOGY; LASER BEAM EFFECTS; MINERALOGY;

HYDROTHERMAL ACTIVITY; INTERGRAIN VARIATIONS; LASER DATING; MAGMATIC ACTIVITY;

MICA;

ARGON-ARGON DATING; BATHOLITH; CRYSTALLIZATION; DEVONIAN; LEUCOGRANITE; MICA;

CANADA; NORTH AMERICA; NOVA SCOTIA; WESTERN HEMISPHERE; WORLD;

EID: 7744237030     PISSN: 00084476     EISSN: None     Source Type: Journal    
DOI: 10.2113/gscanmin.42.4.1129     Document Type: Article

References (18)

1. CARRUZZO, S. (2003): Granite-Hosted Mineral Deposits of the New Ross area, South Mountain Batholith, Nova Scotia, Canada. Ph.D. thesis, Dalhousie Univ., Halifax, Nova Scotia.
2. CARRUZZO, S., KONTAK, D.J., REYNOLDS, P.H., CLARKE, D.B., DUNNING, G.R., SELBY, D. & CREASER, R.A. (2003): Geochronology (U/Pb, Re/Os, Ar/Ar) of the late-orogenic South Mountain Batholith, Nova Scotia, Canada. V.M. Goldschmidt Conf. (Kurashiki, Japan) (abstr.).
3. CHATTERJEE, A.K. & HAM, L.J. (1991): U-Th-Pb systematics of the South Mountain Batholith, Nova Scotia. Atlantic Geol. 27, 149.
4. CLARKE, D.B. & BOGUTYN, P.A. (2003): Oscillatory epitactic-growth zoning in biotite and muscovite from the Lake Lewis leucogranite, South Mountain Batholith, Nova Scotia, Canada. Can. Mineral. 41, 1027-1047.
5. CLARKE, D.B. & HALLIDAY, A.N. (1980): Strontium isotope geology of the South Mountain Batholith, Nova Scotia. Geochim. Cosmochim. Acta 44, 1045-1058.
6. CLARKE, D.B., MACDONALD, M.A., REYNOLDS, P.H. & LONGSTAFFE, F.J. (1993): Leucogranites from the eastern part of the South Mountain Batholith, Nova Scotia. J. Petrol. 34, 653-679.
7. CLARKE, D.B. & MUECKE, G.K. (1985): Review of the petrochemistry and origin of the South Mountain Batholith and associated plutons, Nova Scotia, Canada. In High Heat Production (HHP) Granites, Hydrothermal Circulation and Ore Genesis. Institute of Mineralogy and Metallurgy, London, U.K. (41-54).
8. 39Ar conventional and laserprobe study of muscovite from the Port Mouton pluton, southwest Nova Scotia. Can. J. Earth Sci. 38, 347-357.
9. HAM, L.J. (1991): Geological map of Windsor, Nova Scotia, NTS 21A/16 west half and part of 21H/01. Nova Scotia Department of Mines and Energy, Map 90-10 (1:50 000).
10. 40Ar from muscovite during polymetamorphism. Geochim. Cosmochim. Acta 61, 3863-3872.
11. HARPER, C.L. (1988): On the Nature of Time in the Cosmological Perspective. Ph.D. thesis, Oxford University, Oxford, U.K.
12. KEPPIE, J.D., DALLMEYER, R.D., KROGH, T.E. & AFTALION, M. (1993): Dating mineralization using several isotopic methods: an example from the South Mountain Batholith, Nova Scotia, Canada. Chem. Geol. (Isotope Geosci. Sect.) 103, 251-270.
13. MACDONALD, M.A. (2001): Geology of the South Mountain Batholith, southwestern Nova Scotia. Nova Scotia Department of Natural Resources Open File Rep. ME 2001-2.
14. nd ed.). Oxford University Press, Oxford, U.K.
15. 39Ar laser probe study of micas from the Sesia Zone, Italian Alps: implications for metamorphic and deformation histories. J. Metamorph. Geol. 14 493-508.
16. 39Ar geochronology of granitic rocks from southern Nova Scotia: its bearing on the geological evolution of the Meguma Zone of the Appalachians. Can. J. Earth Sci. 18, 386-394.
17. 39Ar dating standard, MMhb-1. Chem. Geol. 66, 27-34.
18. TATE, M.C. & CLARKE, D.B. (1997): Compositional diversity among Late Devonian peraluminous granitoid intrusions in the Meguma Zone of Nova Scotia, Canada. Lithos 39, 179-194.