Synorogenic melting of mafic lower crust: Constraints from geochronology, petrology and Sr, Nd, Pb and O isotope geochemistry of quartz diorites (Damara orogen, Namibia)

Contributions to Mineralogy and Petrology

Volumn 143, Issue 5, 2002, Pages 551-566

  Jung, S ^a   Hoernes, S ^b   Mezger, K ^c  

^a MAX PLANCK INSTITUTE FOR CHEMISTRY   (Germany)

^b UNIVERSITY OF BONN   (Germany)

^c UNIVERSITY OF MÜNSTER   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

DIORITE; GEOCHEMISTRY; ISOTOPIC COMPOSITION; LOWER CRUST; MELTING; OROGENY; PLUTONIC ROCK;

DAMARA BELT; NAMIBIA;

EID: 0036705514     PISSN: 00107999     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00410-002-0366-5     Document Type: Article

References (80)

1. 02. Am Mineral 63: 1074-1087
2. Beard JS, Lofgren GE (1991) Dehydration melting and water saturated melting of basaltic and andesitic greenstones and amphibolites at 1, 3 and 6.9 kbar. J Petrol 32:365-402
3. Bohlen SR (1987) Pressure-temperature-time paths and a tectonic model for the evolution of granulites. J Geol 95: 617-632
4. Boynton WV (1984) Geochemistry of rare earth elements: meteorite studies. In: Henderson P (ed) Rare earth element geochemistry. Elsevier, Amsterdam, pp 63-114
5. Briqueu L, Lancelot JR, Valois JP, Walgenwitz F (1980) Géochronologie U-Pb et genèse d'un type de minéralisation uranifère: Les alaskites de Goanikontes (Namibie) et leur encaissant. Bull Cent Rech Elf Aquitaine 4:759-811
6. Cameron AE, Smith DH, Walker RL (1969) Mass spectrometry of nanogram-size samples of lead. Anal Chem 41:525-526
7. 2O at 15 kbar and the genesis of cal-alkaline magmas. Am Mineral 75:345-357
8. Cherniak DJ (1993) Lead diffusion in titanite and preliminary results on the effects of radiation damage on Pb transport. Chem Geol 110:177-194
9. Clayton RN, Mayeda TD (1963) The use of bromine pentaflouride in the extraction of oxygen from oxides and silicates for isotope analysis. Geochim Cosmochim Acta 27:43-52
10. DePaolo DJ (1981) A neodymium and strontium isotopic study of the Mesozoic calc-alkaline granitic batholiths of the Sierra Nevada and Peninsular Ranges, California. J Geophys Res 86:10470-10488
11. Eggins S, Hensen BJ (1987) Evolution of mantle-derived, augite- hypersthene granodiorites by crystal-liquid fractionation: Barrington Tops batholith, eastern Australia. Lithos 20:295-310
12. Green RWE (1983) Seismic refraction observations in the Damara orogen and flanking craton and their bearing on deep seated processes in the orogen. Spec Publ Geol Soc S Afr 11:355-367
13. Gromet LP, Silver LT (1987) REE variations across the Peninsular Ranges batholith: implications for batholithic petrogenesis and crustal growth in magmatic arcs. J Petrol 28:75-125
14. 18O data. Contrib Mineral Petrol 79:279-289
15. Harrison TM, Watson EB (1984) The behaviour of apatite during crustal anatexis: equilibrium and kinetic considerations. Geochim Cosmochim Acta 48:1467-1477
16. Hartmann O, Hoffer E, Haack U (1983) Regional metamorphism in the Damara orogen: interaction of crustal motion and heat transfer. Spec Publ Geol Soc S Afr 11:233-241
17. Hawkesworth CJ, Marlow AG (1983) Isotope evolution of the Damara orogenic belt. Spec Publ Geol Soc S Afr 11:397-407
18. Hawkesworth CJ, O'Nions RK, Arculus RJ (1979a) Nd and Sr isotope geochemistry of island arc volcanics, Grenada, lesser Antilles. Earth Planet Sci Lett 45:237-248
19. 86Sr, and incompatible element variations in calc-alkaline andesites and plateau lavas from South America. Earth Planet Sci Lett 42:45-57
20. Hawkesworth CJ, Kramers JD, Miller RMG (1981) Old model Nd ages in Namibian Pan-African rocks. Nature 289:278-282
21. Heaman L, Parrish R (1991) U-Pb geochronology in accessory minerals. In: Heaman L, Ludden J (eds) Short course handbook on application of radiogenic isotope systems to problems in geology, vol 19. Mineralogy Association of Canada, pp 59-102
22. Heinrichs H, Hermann AG (1990) Praktikum der analytischen Geochemie. Springer, Berlin Heidelberg New York
23. 2O = 5 kb. Part 2. Melt compositions. J Petrol 17:139-193
24. Hildreth W, Moorbath, S (1988) Crustal contribution to arc magmatism in the Andes of Central Chile. Contrib Mineral Petrol 98:455-489
25. Hoernes S, Hoffer E (1979) Equilibrium relations of prograde metamorphic mineral assemblages - a stable isotope study of rocks of the Damara orogen. Contrib Mineral Petrol 68:377-389
26. Huang WL, Wyllie PJ (1986) Phase relationships of gabbro-tonalite-granite-water at 15 kbar with applications to differentiation and anatexis. Am Mineral 71:301-316
27. Jacobson SB, Wasserburg GJ (1980) Sm-Nd isotope evolution of chondrites. Earth Planet Sci Lett 50:139-155
28. Jung S, Mezger K (2001) Geochronology in migmatites - a Sm-Nd, U-Pb and Rb-Sr study from the Proterozoic Damara belt (Namibia) and implications for polyphase development of migmatites in high-grade terranes. J Metamorph Geol 19:77-97
29. Jung S, Mezger K (2002) Petrology of basement-dominated terranes: I. Regional metamorphic T-t path and geochronological constraints on Pan-African high-grade metamorphism (central Damara orogen, Namibia). Chem Geol (submitted)
30. Jung S, Mezger K, Hoernes S (1998a) Geochemical and isotopic studies of syenites from the Proterozoic Damara belt (Namibia): implications for the origin of syenites. Mineral Mag 62:729-730
31. Jung S, Mezger K, Hoernes S (1998b) Petrology and geochemistry of post-collisional metaluminous A-type granites - a major and trace element and Nd-Sr-Pb-O-isotope study from the Proterozoic Damara Belt, Namibia. Lithos 45:147-175
32. Jung S, Mezger K, Masberg P, Hoffer E, Hoernes S (1998c). Petrology of an intrusion-related high-grade migmatite: implications for partial melting of metasedimentary rocks and leucosome-forming processes. J Metamorph Geol 16:425-445
33. Jung S, Hoernes S, Masberg P, Hoffer E (1999) The petrogenesis of some migmatites and granites (Central Damara Orogen, Namibia): evidence for disequilibrium melting, wall rock contamination and crystal fractionation. J Petrol 40:1241-1269
34. Jung S, Hoernes S, Mezger K (2000a) Geochronology and petrogenesis of Pan-African syn-tectonic S-type and post-tectonic A-type granite (Namibia) - products of melting of crustal sources, fractional crystallization and wall rock entrainment. Lithos 50:259-287
35. Jung S, Hoernes S, Mezger K (2000b) Geochronology and petrology of migmatites from the Proterozoic Damara Belt - importance of episodic fluid-present disequilibrium melting and consequences for granite petrology. Lithos 51:153-179
36. Jung S, Hoernes S, Mezger K (2001) Trace element and isotopic (Sr, Nd, Pb, O) arguments for a mid crustal origin of Pan- African garnet-bearing S-type granites from the Damara orogen (Namibia). Precambrian Res 110:325-355
37. Jung S, Hoernes S, Mezger K (2002) Petrology of basement-dominated terranes: II. Contrasting isotopic (Sr, Nd, Pb and O) signatures of basement-derived granites and constraints on the source region of granite (Damara orogen, Namibia). Chem Geol (submitted)
38. Kasch KW (1983) Continental collision, suture progradation and thermal relaxation: a plate tectonic model for the Damara orogen in central Namibia. Spec Publ Geol Soc S Africa 11:423-429
39. Kistler RW, Cappell BW, Peck DL, Bateman PC (1986) Isotopic variations in the Tuolumne Intrusive Suite, central Sierra Nevada, California. Contrib Mineral Petrol 94:205-220
40. Kröner A (1982) Rb/Sr geochronology and tectonic evolution of the Pan-African Damara belt of Namibia, southwestern Africa. Am J Sci 282:1471-1507
41. Kukla C, Kramm U, Kukla PA, Okrusch M (1991) U-Pb monazite data relating to metamorphism and granite intrusion in the northwestern Khomas Trough, Damara Orogen, central Namibia. Comm Geol Surv Namibia 7:49-54
42. LeBel L, Cocherie A, Baubron, J-C, Fouillac AM, Hawkesworth, CJ (1985) A high K, mantle-derived plutonic suite from 'Linga', near Arequipa, Peru. J Petrol 26:124-148
43. Lechler PJ, Desilets MO (1987) A review of the use of loss on ignition as a measure of total volatiles in whole rock analysis. Chem Geol 63:341-344
44. Le Fort P, Cuney M, Deniel C, France-Lanord C, Sheppard SMF, Upreti BN, Vidal P (1987) Crustal generation of the Himalayan leucogranites. Tectonophysics 134:39-57
45. Masberg HP, Hoffer E, Hoernes S (1992) Microfabrics indicating granulite-facies metamorphism in the low-pressure central Damara Orogen, Namibia. Precambrian Res 55:243-257
46. Mattinson JM (1986) Geochronology of high pressure-low temperature Franciscan metabasites. A new approach using the U-Pb system. Geol Soc Am Mem 164:95-105
47. McDermott F, Harris NBW, Hawkesworth CJ (1996) Geochemical constraints on crustal anatexis: a case study from the Pan-African granitoids of Namibia. Contrib Mineral Petrol 123:406-423
48. Mezger K, Rawnsley CM, Bohlen SR, Hanson GN (1991) U-Pb garnet, sphene, monazite, and rutile ages,: implications for the duration of high-grade metamorphism and cooling histories, Adirondack Mts, New York. J Geol 99:415-428
49. Mezger K, Essene EJ, van der Pluijm BA, Halliday AN (1993) U-Pb geochronology of the Grenville orogen of Ontario and New York; constraints on ancient crustal tectonics. Contrib Mineral Petrol 114:13-26
50. Michard A, Guiret P, Soudant M, Albarède F (1985) Nd isotopes in French Phanerozoic shales: external vs. internal aspects of crustal evolution. Geochim Cosmochim Acta 49:601-610
51. Miller RMG (1983) The Pan-African Damara Orogen of South West Africa/Namibia. Spec Publ Geol Soc S Afr 11:431-515
52. Noyes HJ, Wones DR, Frey FA (1983) A tale of two plutons: geochemical evidence bearing on the origin and differentiation of the Red Lake and Eagle Peak Plutons, central Sierra Nevada, California. J Geol 91:487-509
53. Perfit MR, Gust DA, Bence AE, Arculus RJ, Taylor SR (1980) Chemical characteristics of island arc basalts: implications for mantle sources. In: LeMaitre RW, Cundari A (eds) Chemical characterization of tectonic provinces. Chem Geol 30:227-256
54. Petford N, Atherton M (1996) Na-rich partial melts from newly underplated basaltic crust: the Cordillera Blanca batholith, Peru. J Petrol 37:1491-1521
55. Petford N, Gallagher K (2001) Partial melting of mafic (amphibolitic) lower crust by periodic influx of basaltic magma. Earth Planet Sci Lett 193:483-499
56. Pidgeon RT, Bosch D, Bruguier O (1996) Inherited zircon and titanite U-Pb systematics in an Archean syenite from south- western Australia: implications for U-Pb stability of titanite. Earth Planet Sci Lett 141:187-198
57. Pitcher WS (1978) Anatomy of a batholith. J Geol Soc Lond 135:157-182
58. Pitcher WS (1987) Granites and yet more granites forty years on. Geol Rundsch 76:51-79
59. Puhan D (1983) Temperature and pressure of metamorphism in the Central Damara orogen. Spec Publ Geol Soc S Afr 11:219-223
60. Rapp RP, Watson EB (1995) Dehydration melting of metabasalt at 8-32 kbar: implications for continental growth and crust- mantle recycling. J Petrol 36:891-932
61. Rapp RP, Watson EB, Miller CF (1991) Partial melting of amphibolite/ eclogite and the origin of Archaean trondhjemites and tonalites. Precambrian Res 51:1-25
62. Reid JB (1983) Magma mixing in granitic rocks of the central Nevada, California. Earth Planet Sci Lett 66:243-261
63. Reiners PW, Nelson BK, Ghiorso MS (1995) Assimilation of felsic crust by basaltic magma: thermal limits and extents of crustal contamination of mantle-derived magmas. Geology 23:563-566
64. Roberts MP, Clemens JD (1993) origin of high-potassium, calc- alkaline, I-type granitoids. Geology 21:825-828
65. Rollinson HR (1993) Using geochemical data: evaluation, presentation, interpretation. Longman, London
66. Rushmer T (1991) Partial melting of two amphibolites: contrasting experimental results under fluid absent conditions. Contrib Mineral Petrol 107:41-59
67. Rutter MJ, Wyllie PJ (1988) Melting of vapour-absent tonalite at 10 kbar to simulate dehydration-melting in the deep crust. Nature 331:159-160
68. Saunders AD, Tarney J, Weaver SD (1980) Transverse geochemical variations across the Arctic peninsula: implications for the genesis of calc-alkaline magmas. Earth Planet Sci Lett 46:344-360
69. Scott DJ, St-Onge MR (1995) Constraints on Pb closure temperature in sphene based on rocks from the Ungava orogen, Canada: implications for geochronology and P-T-t path determinations. Geology 23:1123-1126
70. Shaw A, Downes H, Thirlwall MF (1993) The quartz diorites of Limousin: elemental and isotopic evidence for Devono-Carboniferous subduction in the Hercynian belt of the French Massif Central. Chem Geol 107:1-18
71. Stacey JS, Kramers JD (1975) Approximation of terrestrial lead isotope evolution by a two-stage model. Earth Planet Sci Lett 26:207-221
72. Taylor SR, McLennan SM (1985) The continental crust: its composition and evolution. Blackwell Science, London
73. Tepper JH, Nelson BK, Bergantz GW, Irving AJ (1993) Petrology of the Chiliwack batholith, North Cascades, Washington: generation of calc-alkaline granitoids by melting of mafic lower crust with variable water fugacity. Contrib Mineral Petrol 113:333-351
74. Thirlwall MF, Graham AM (1984) Evolution of high-Ca, high-Sr C-series basalts from Grenada, lesser Antilles: the effects of intra-crustal contamination. J Geol Soc Lond 141:427-445
75. Tucker RD, Raheim A, Krogh TE, Corfu F (1986) Uranium-lead zircon and titanite ages from the northern portion of the Western Gneiss Region, south-central Norway. Earth Planet Sci Lett 81:203-211
76. Verts LA, Chamberlain KR, Frost CD (1996) U-Pb sphene dating of metamorphism: the importance of sphene growth in the contact aureole of the Red Mountain pluton, Laramie Mountains, Wyoming. Contrib Mineral Petrol 125:186-199
77. Wareham CD, Vaughan APM, Millar IL (1997) The Wiley Glacier complex, Antarctic Peninsula: pluton growth by pulsing of granitoid magmas. Chem Geol 143:65-80
78. Wolf MB, Wyllie PJ (1993) Garnet growth during amphibolite anatexis: implications of a garnetiferous restite. J Geol 101:357-373
79. Wolf MB, Wyllie PJ (1994) Dehydration-melting of amphibolite at 10 kbar: the effects of temperature and time. Contrib Mineral Petrol 115:369-383
80. Zhang LS, Schärer U (1996) Inherited Pb components in magmatic titanite and their consequences for the interpretation of U-Pb ages. Earth Planet Sci Lett 138:57-65