U-Pb ages and geochemistry of granite pebbles from the Devonian Menaver Conglomerate, Lizard peninsula: Provenance of Rhenohercynian flysch of SW England

Sedimentary Geology

Volumn 124, Issue 1-4, 1999, Pages 131-147

  Dorr W ^a   Floyd, P A ^b   Leveridge, B E ^c  

^a JUSTUS LIEBIG UNIVERSITY   (Germany)

^b KEELE UNIVERSITY   (United Kingdom)

^c BRITISH GEOLOGICAL SURVEY   (United Kingdom)

Author keywords

Flysch; Geochemistry; Provenance; SW England; U Pb geochronology; Variscan

Indexed keywords

DEVONIAN; FLYSCH; GEOCHEMISTRY; GRANITE; PEBBLE; URANIUM SERIES DATING;

UNITED KINGDOM;

EID: 0344993907     PISSN: 00370738     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0037-0738(98)00124-9     Document Type: Article

References (63)

1. Alderton, D.H.M., Pearce, J.A., Potts, P.J., 1980. Rare earth element mobility during granite alteration: evidence from south-west England. Earth Planet. Sci. Lett. 49, 149-165.
2. Barnes, R.P., 1982. The Geology of South Cornish Melanges. Ph.D. thesis, University of Southampton.
3. Barnes, R.P., 1984. Possible Lizard-derived material in the underlying Meneage Formation. J. Geol. Soc. London 141, 79-85.
4. Barnes, R.P., Andrews, J.R., 1986. Upper Paleozoic ophiolite generation and obduction in south Cornwall. J. Geol. Soc. London 143, 117-124.
5. Beus, A.A., Sitnin, A.A., 1968. Geochemical features of the distribution of Ta in granitoids. Geochem. Int. 5, 490-495.
6. Brown, M., Power, G.M., Topley, C.G., D'Lemos, R.S., 1990. Cadomian magmatism in the North Armorican Massif. Geol. Soc. Spec. Publ. 51, 181-213.
7. Calvez, J.Y., Vidal, P., 1978. Two billion years old relicts in the Hercynian Belt of Western Europe. Contrib. Mineral. Petrol. 65, 395-399.
8. Corfu, F., 1980. U-Pb and Rb-Sr systematics in a polyorogenic segment of the Precambrian shield, central southern Norway. Lithos 13, 305-323.
9. Dombrowski, A., Henjes-Kunst, F., Höhndorf, A., Kröner, A., Okrusch, M., Richter, P., 1995. Orthogneisses in the Spessart Crystalline Complex, north-west Bavaria: Silurian granitod magmatism at an active continental margin. Geol. Rundsch. 84, 399-411.
10. Dörr, W., 1986. Stratigraphie, Stoffbestand und Fazies der Giessener Grauwacke (östliches Rheinisches Schiefergebirge). Thesis (Dissertation), Geologisch-Paläontologisches Institut Univ. Giessen.
11. Dörr, W., 1989. Die Entwicklung des oberdevonischen Flyschbeckens am E-Rand des Rheinischen Schiefergebirges. Geol. Paläontol. Mitt. 16, 143-146.
12. Dörr, W., 1990. Stratigraphie, Stoffbestand und Fazies der Gießener Grauwacke (östliches Rheinisches Schiefergebirge). Geol. Abh. Hessen, 91, Hessisches Landesamt für Bodenforschung, Wiesbaden.
13. Edwards, J.W.F., Day, G.A., Leveridge, B.E., 1989. Thrusts under Mounts Bay and Plymouth Bay. Proc. Ussher Soc. 7, 131-135.
14. Flett, J.S., Hill, J.B., 1946. Geology of the Lizard and Meneage. Mem. Geol. Survey Great Britain. Explanation of sheet 359, England and Wales..
15. Floyd, P.A., Leveridge, B.E., 1987. Tectonic environment of the Devonian Gramscatho basin, south Cornwall: framework mode and geochemical evidence from turbiditic sandstones. J. Geol. Soc. London 144, 531-542.
16. Floyd, P.A., Leveridge, B.E., Franke, W., Shail, R., Dörr, W., 1990. Provenance and depositional environment of Rheno hercynian synorogenic greywackes from the Giessen Nappe, Germany. Geol. Rundsch. 79 (3), 611-626.
17. Floyd, P.A., Shail, R., Leveridge, B.E., Franke, W., 1991. Geochemistry and provenance of Rhenohercynian synorogenic sandstones: implications for tectonic environment discrimination. In: Morten A.C., Todd, S.P., Haughton, P.D.W (Eds.), Developments in Sedimentary Provenance Studies. Geol. Soc. London, Spec. Publ. 57, 173-188.
18. Franke, W., 1989. Tectonostratigraphic units in the Variscan belt of central Europe. Geol. Soc. Am., Spec. Pap. 230, 67-90.
19. Franke, W., Engel, W., 1982. Variscan sedimentary basins on the continent, and relations with southwest England. Proc. Ussher Soc., Crediton 5, 259-269.
20. Franke, W., Floyd, P.A., Holder, M.T., Leveridge, B.E., 1989. The Rhenohercynian ocean revisited. Terra Abstr. 1, 365.
21. Gebauer, D., Grünenfelder, M., 1976. U-Pb zircon and Rb-Sr whole-rock dating of low-grade metasediments. Example: Montagne Noire (southern France). Contrib. Mineral. Petrol. 59, 13-32.
22. Goode, A.J.J., Merriman, R.J., 1987. Evidence of crystalline basement west of the Land's End granite, Cornwall. Proc. Geol. Assoc. 98, 39-43.
23. Gradstein, F.M., Ogg, J., 1996. A Phanerozoic time scale. Episodes 19 (1-2), 3-5.
24. Grösser, J., Dörr, W., 1986. MOR-Typ-Basalte im östlichen Rheinischen Schiefergebirge. Neues Jahrb. Geol. Paläontol. Monatsh. 12, 705-722.
25. Harris, N.B.W., Pearce, J.A., Tindle, A.G., 1986. Geochemical characteristics of collision-zone magmatism. In: Coward, M.P., Ries, A.C. (Eds.), Collision Tectonics. Geol. Soc. London, Spec. Publ. 19, 67-81.
26. Henningsen, D., 1963. Zur Herkunft und Unterscheidung der sandigen Gesteine am Südostrand des Rheinischen Schiefergebirges. Neues Jahrb. Geol. Paläontol. Monatsh. 1963 (2), 49-67.
27. Holder, M.T., Leveridge, B.E., 1986a. A model for the tectonic evolution of south Cornwall. J. Geol. Soc. London 143, 125-134.
28. Holder, M.T., Leveridge, B.E., 1986b. Correlation of the Rhenohercynian Variscides. J. Geol. Soc. London 143, 141-147.
29. 238U. Phys. Rev. C4, 1889-1906.
30. Kirby, G.A., 1979. The Lizard complex as an ophiolite. Nature 282, 58-61.
31. Köppel, V., Günthert, A., Grünenfelder, M., 1980. Patterns of U-Pb zircon and monazite ages in polymetamorphic units of the Swiss Central Alps. Schweiz. Mineral. Petrogr. Mitt. 61, 97-119.
32. Krogh, T.E., 1973. A low contamination method for hydrothermal decomposition of zircons and extraction of U and Pb for isotopic age determination. Geochim. Chosmochim. Acta 37, 485-494.
33. Lambert, J.L.M., 1965. A reinterpretation of the breccias in the Meneage crush zone of the Lizard boundary, south-west England. J. Geol. Soc. London 121, 339-357.
34. Leat, P.T., Jackson, S.E., Thorpe, R.S., Stillman, C.J., 1986. Geochemistry of bimodal basal-subalkaline/peralkalin rhyolite provinces within the southern British Caledonides. J. Geol. Soc. London 143, 259-276.
35. Le Gall, B., Le Hérissé, A., Deunff, J., 1985. New palynological data from the Gramscatho Group at the Lizard front (Cornwall): palaeogeographical and geodynamical implications. Proc. Geol. Assoc. London 96, 237-253.
36. Leveridge, B.E., Holder, M.T., 1985. Olistostromic breccias at the Mylor/Gramscatho boundary, south Cornwall. Proc. Ussher Soc. 6, 147-154.
37. Leveridge, B.E., Holder, M.T., Goode, A.J.J., 1990. Geology of the country around Falmouth. Mem. Geol. Survey Great Britain, sheet 352, England and Wales.
38. Lippolt, H.J., 1986. Nachweis altpaläozoischer Primäralter (Rb- Sr) und karbonischer Abkühlalter (K-Ar) der Muskovit-Biotit-Gneise des Spessarts und der Biotit-Gneise des Böllsteiner Odenwaldes. Geol. Rundsch. 75, 569-583.
39. Ludwig, K.R., 1980. Calculation of uncertainties of U-Pb isotope data. Earth Planet. Sci. Lett. 46, 212-220.
40. Martin, R.F., Whitley, J.E., Woolley, A.R., 1978. An investigation of rare earth mobility: fenitized quartzites, Borralan complex, N.W. Scotland. Contrib. Mineral. Petrol. 66, 69-73.
41. Miller, J.A., Green, D.H., 1961. Age determination of rocks in the Lizard (Cornwall) area. Nature 192, 1175-1176.
42. O'Connor, P.J., Kennan, P.S., Aftalion, M., 1987. New age data for the Carnsore Granite, SE Ireland. Terra Cognita 7, 332.
43. Parker, R.L., Fleischer, M., 1968. Geochemistry of Nb and Ta. U.S. Geol. Surv. Prof. Pap. 612, 1-42.
44. Pearce, J.A., Harris, N.B.W., Tindle, A.G., 1984. Trace element discrimination diagrams for the interpretation of granitic rocks. J. Petrol. 25 (4), 956-983.
45. Peucat, J.J., 1986. Behaviour of Rb-Sr whole rock and U-Pb zircon systems during partial melting as shown in migmatic gneisses from the St. Malo Massif, NE Brittany, France. J. Geol. Soc. London 143, 875-885.
46. Pharaoh, T.C., Webb, P.C., Thorpe, R.S., Beckinsal, R.D., 1987. Geochemical evidence for the tectonic setting of late Proterozoic volcanic suites in central England. In: Pharaoh, T.C., Beckinsale, R.D., Rickard, D. (Eds.), Geochemistry and Mineralization of Proterozoic Volcanic Suites. Geol. Soc. London Spec. Publ. 33, 541-552.
47. Pidgeon, R.T., Aftalion, M., 1978. Cogenetic and inherited zircon U-Pb systems in granites: Palaeozoic granites of Scotland and England. In: Bowes, D.R., Leake, B.E. (Eds.), Crustal Evolution in Northwestern Britain and Adjacent Regions. Geol. J. 10, 183-220.
48. Pupin, J.P., 1980. Zircon and granite petrology. Contrib. Mineral. Petrol. 73, 207-220.
49. Sandeman, H., 1988. A Field, Petrographical and Geochemical Investigation of the Kennack Gneiss, Lizard Peninsula, Southwest England. Unpubl. MSc. thesis, Memorial University of Newfoundland.
50. 39Ar geochronology of the Man of War Gneiss, Lizard Complex, SW England: pre-Hercynian arc-typ crust with a Sudeten- Iberian connection. J. Geol. Soc. London 154, 403-417.
51. Schärer, U., 1980. U-Pb and Rb-Sr dating of a polymetamorphic nappe terrain: the Caledonian John nappe, southern Norway. Earth Planet. Sci. Lett. 49, 205-218.
52. Schärer, U., Allègre, C.J., 1983. The Palung granite (Himalaya); high resolution U-Pb systematics in zircon and monazite. Earth Planet. Sci. Lett. 63, 423-432.
53. Stacey, J.S., Kramers, J.D., 1975. Approximation of terrestrial lead isotope evolution by a two-stage model. Earth Planet. Sci. Lett. 26, 207-221.
54. Steiger, R.H., Jäger, E., 1977. Subcommission on Geochronology: convention on the use of decay constants in geo- and cosmochronology. Earth Planet. Sci. Lett. 36, 359-362.
55. Styles, M.T., Kirby, G.A., 1980. New investigations of the Lizard Complex, Cornwall, England and a discussion of an ophiolite model. In: Ophiolites, Proceedings of the International Ophiolite Symposium, Cyprus Geological Survey Department, Cyprus, 1979.
56. Styles, M.T., Rundle, C.C., 1984. The Rb-Sr isochron age of the Kennack Gneiss and its bearing on the age of the Lizard Complex, Cornwall. J. Geol. Soc. London 141, 15-19.
57. Thorpe, R.S., Beckinsale, R.D., Patchett, P.J., Piper, J.D.A., Davies, G.R., Evans, J.A., 1984. Crustal growth and late Precambrian-early Paleozoic plate tectonic evolution of England and Wales. J. Geol. Soc. London 141, 521-536.
58. Todt, W., 1979. U-Pb-Datierungen an Zirkonen des kristallinen Odenwaldes. Fortschr. Mineral. 57 (1), 153-154.
59. Todt, W.A., Altenberger, U., von Raumer, J.F., 1995. U-Pb data on zircons for the thermal peak of metamorphism in the Variscan Odenwald, Germany. Geol. Rundsch. 84, 466-472.
60. Tucker, R.D., Pharaoh, T.C., 1991. U-Pb zircon ages for Late Precambrian igneous rocks in southern Britain. J. Geol. Soc. London 148, 435-443.
61. Vidal, P., Auvray, B., Charlot, R., Conge, J., 1981. Precadomian relicts in the Armorican Massif: their age and role in the evolution of the Western and Central European Cadomian-Hercynian belt. Precambrian Res. 14, 1-20.
62. York, D., 1969. Least squares fitting of a straight line with correlated errors. Earth Planet. Sci. Lett. 5, 320-324.
63. Ziegler, P.A., 1982. Geological Atlas of Western and Central Europe. Shell Internationale Petroleum Maatschappij B.V., Elsevier, Amsterdam, 130 pp.