Geochronological studies of Proterozoic crustal evolution in the northern Outer Hebrides

Precambrian Research

Volumn 91, Issue 3-4, 1998, Pages 401-418

  Cliff, R A ^a   Rex, D C ^a   Guise, P G ^a  

^a UNIVERSITY OF LEEDS   (United Kingdom)

Author keywords

Geochronology; Lewisian

Indexed keywords

CRUSTAL EVOLUTION; LEWISIAN; PROTEROZOIC;

UK, SCOTLAND;

EID: 0032585059     PISSN: 03019268     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-9268(98)00060-6     Document Type: Article

References (27)

1. van Breemen, O., Aftalion, M., Pidgeon, R.T., 1971. The age of the granitic injection complex of Harris, Outer Hebrides. Scottish J. Geology 7, 139-152.
2. Cliff, R.A., Rex, D.C., 1989. Evidence for a "Grenville" event in the Lewisian of the northern Outer Hebrides. J. Geological Soc. London 146, 921-924.
3. Cliff, R.A., Gray, C.M., Huhma, H., 1983. A Sm-Nd isotopic study of the South Harris Igneous Complex, the Outer Hebrides. Contrib. Mineralogy Petrology 82, 91-98.
4. Dearnley, R., 1963. The Lewisian complex of South Harris; with some observations on the metamorphosed basic intrusions of the Outer Hebrides, Scotland. Quart. J. Geological Soc. 119, 243-307.
5. DePaolo, D.J., 1981. Neodymium isotopes in the Colorado Front Range and crust-mantle evolution in the Proterozoic. Nature 291, 193-196.
6. Fettes, D.J., Mendum, J.R., Smith, D.I., Watson, J., 1992. Geology of the Outer Hebrides. Memoir of the Memoirs of the British Geological Survey, Sheets (solid edition) Lewis and Harris, Uist and Barra, Scotland.
7. Francis, P.W., Moorbath, S., Welke, H.J., 1971. Isotopic age data from Scourian intrusive rocks on the Isle of Barra, Outer Hebrides, NW Scotland. Geological Magazine 108, 13-22.
8. Heaman, L.M., Tarney, J., 1989. U-Pb baddeleyite ages for the Scourie dyke swarm, Scotland: evidence for two distinct intrusion events. Nature 340, 705-708.
9. Hensen, B.J., Zhou, B., 1995. Retention of isotopic memory in garnets partially broken down during an overprinting granulite-facies metamorphism-implications for the Sm-Nd closure temperature. Geology 23, 225-228.
10. Humphries, F.J., Cliff, R.A., 1982. Sm-Nd dating and the cooling history of Scourian granulites. Nature 295, 515-517.
11. Lambert, R.St.J., Evans, C.R., Dearnley, R., 1970a. Isotopic ages of dykes and pegmatites from the southern islands of the Outer Hebrides. Scottish J. Geology 6, 203-213.
12. Lambert, R.S.J., Myers, J.S., Watson, J., 1970b. An apparent age for a member of the Scourie dyke suite in Lewis, Outer Hebrides. Scottish J. Geology 6, 214-220.
13. Ludwig, K., 1990. ISOPLOT: a plotting and regression program for radiogenic isotope data, for IBM PC compatible computers, version 2.03. U.S. Geological Survey Open-File Report 88-557.
14. Mezger, K., Essene, E.J., Halliday, A.N., 1992. Closure temperatures of the Sm-Nd system in metamorphic garnets. Earth Planetary Sci. Lett. 113, 397-409.
15. Moorbath, S., Welke, H., Gale, N.H., 1969. The significance of lead isotope studies in ancient high-grade metamorphic basement complexes, as exemplified by the Lewisian rocks of northwest Scotland. Earth Planetary Sci. Lett. 6, 245-256.
16. Moorbath, S., Powell, J.T., Taylor, P.N., 1975. Isotopic evidence for the age and origin of the grey gneiss complex of the southern Outer Hebrides, Scotland. J. Geological Soc. London 131, 213-222.
17. O'Nions, R.K., Hamilton, P.J., Hooker, P.J., 1983. A Nd isotope investigation of sediments related to crustal development in the British Isles. Earth Planetary Sci. Lett. 63, 229-240.
18. Park, R.G., Cliff, R.A., Fettes, D.J., Stewart, A.D., 1994. Precambrian rocks in northern Scotland west of the Moine Thrust: the Lewisian Complex and Torridonian, in: Gibbons, W., Harris, A.L. (Eds.), A Revised Correlation of Precambrian Rocks in the British Isles. Geological Society Special Report No. 22, Geological Society, pp. 6-22.
19. Pidgeon, R.T., Aftalion, M., 1972. The geochronological significance of oval shaped zircons from a Lewisian gneiss from Harris, Outer Hebrides. Earth Planetary Sci. Lett. 17, 269-274.
20. 39Ar spectra from hornblendes: thermal loss or contamination? Chemical Geology (Isotope Geoscience Section) 103, 271-281.
21. Roddick, J.C., Sullivan, R.W., Dudas, F.O., 1992. Precise calibration of Nd tracer isotopic composition for Sm-Nd studies. Chemical Geology 97, 1-8.
22. Steiger, R.H., Jäger, E., 1977. Sub-commission on geochronology: convention on the use of decay constants in geo- and cosmochronology. Earth Planetary Sci. Lett. 36, 359-362.
23. Taylor, P.N., Jones, N.W., Moorbath, S., 1984. Isotopic assessment of relative contributions from crust and mantle sources to the magma genesis of Precambrian granitoid rocks. Phil. Trans. Royal Society, London A310, 605-625.
24. Thöni, M., Jagoutz, E., 1992. Some new aspects of dating eclogites in orogenic belts: Sm-Nd, Rb-Sr, and Pb-Pb results from the Austroalpine Saualpe and Koralpe type-locality (Carinthia/Styria SE Austria). Geochimica et Cosmochimica Acta 56, 347-368.
25. Waters, F.G., Cohen, A.S., O'Nions, R.K., O'Hara, M.J., 1990. Development of Archaean lithosphere deduced from chronology and isotope chemistry of Scourie Dykes. Earth Planetary Sci. Lett. 97, 241-255.
26. Whitehouse, M.J., 1990. An early Proterozoic age for the Ness anorthosite, Lewis, Outer Hebrides. Scottish J. Geology 26, 131-136.
27. Whitehouse, M.J., 1993. Age of the Corodale gneisses, South-Uist. Scottish J. Geology 29, 1-7.