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XXVI Tab. C2 Determination of the �-value for dosimeter glass CN5 for apatites Age standard Number of grains Spontaneous �s Ns Induced �i Ni P� Dosimeter 2 (%) �d Nd � ± 1� AD-2-40 25 2.417 507 8.767 1839 97.68 5.336 10407 427.46±22.88 AF-3-40 25 1.635 252 6.859 1057 77.00 5.333 10407 440.33±32.15 AF-5-42 25 1.621 282 6.381 1110 8.54 5.26 10388 416.92±29.08 AD-4-43 25 2.587 444 7.371 1265 73.85 4.61 9253 389.05±22.70 AF-3-43 25 1.483 251 5.139 870 1.7 4.61 9253 403.00±30.06 AD-5-46 14 2.215 89 6.248 251 34.08 4.60 4537 383.35±48.02 AF-5-36 20 1.780 182 6.221 636 97.38 5.305 5235 368.57±32.09 AF-7-55 8 2.098 57 6.219 169 83.57 4.85 9566 342.14±52.88 AF-4-59 9 1.885 137 6.4 465 66.19 4.58 14919 413.89±41.05 AD-6-59 12 2.665 230 7.219 623 15.55 4.58 14919 370.49±29.35 weighted mean 401.21±9.89 Track densities (�) are measured as (x10 5 tr/cm 2 ); N is the number of tracks counted; �s = spontaneous track density; �i = induced track density, �d = track density of the dosimeter glass (CN5); P� 2 is the probability to obtain the chi-square value for n degree of freedom (n is the number of crystals –1). AD = Durango apatite, AF = Fish Canyon Tuff apatite. Tab. C3 Determination of the �-value for dosimeter glass CN2 for zircons Age standard Number Spontaneous Induced Dosimeter P� 2 (%) of grains � s N s �i N i � d N d � ± 1� ZB-3-38 25 10.468 834 21.45 1709 11.78 5.52 10895 123.69±5.57 ZF-5-38 25 57.237 1154 77.622 1565 13.04 5.526 10895 137.46±6.02 ZT-2-38 21 69.854 1075 43.082 663 35.33 5.52 10895 131.64±7.07 ZB-5-48 24 11.4 684 24.351 1461 15.86 6.57 6484 106.36±5.26 ZF-4-49 25 56.814 1887 62.746 2084 21.57 5.40 10665 114.55±4.32 ZB-3-49 25 11.195 736 21.766 1431 71.52 5.40 10665 118.32±5.67 ZT-3-51 25 66.951 1865 52.124 1452 30.24 6.51 6427 140.87±5.86 weighted mean 122.91±2.09 Track densities (�) are measured as (x10 5 tr/cm 2 ); N is the number of tracks counted; �s = spontaneous track density; �i = induced track density, �d = track density of the dosimeter glass (CN2); P� 2 is the probability to obtain the chi-square value for n degree of freedom (n is the number of crystals –1). ZB = Buluk Member zircon, ZF = Fish Canyon Tuff zircon, ZT = Tardree Rhyolite zircon.
XXVII Tab. C4 Apatite fission track ages determined with the program TRACKKEY 4.0 (Dunkl 2002). sample Elev. Number Spontaneous Induced P� 2 (%) Dosimeter Age (Ma) (m) of grains � s N s �i N i �d N d ± 1� Hard rocks Tien Shan TS1-59 n.d. 31 0.994 83 8.722 728 81.29 4.75 14919 10.9±1.3 Karakul lake P20-40 3950 34 9.597 344 18.079 648 48.05 5.258 10407 55.7±4.1 P22-40 3950 49 2.993 855 8.24 2354 0.3 5.252 10407 *39.8±2.2 P24-43 3950 34 2.485 167 9.315 626 71.58 4.71 9253 25.2±2.3 P25-40 4230 34 1.956 137 10.81 757 48.95 5.246 10407 18.8±1.9 P26-40 4100 35 1.488 109 8.67 635 18.91 5.249 10407 18.0±2.1 Central Pamirs P15-43 4365 34 1.217 138 7.471 847 19.91 4.67 9253 15.4±1.7 P17-40 4560 31 1.008 159 6.766 1067 93.71 5.263 10407 15.7±1.4 96A6b-59 n.d. 7 0.743 34 3.495 160 95.5 4.686 14919 19.9±3.8 Rushan Pshart P2-43 3600 62 0.929 57 8.214 504 99.28 4.71 9253 10.7±1.5 P5-40 3550 49 0.726 57 10.05 789 3.92 5.255 10407 *10.1±1.7 Soft rocks Tien Shan TS5a-43 2570 106 18.829 3617 12.15 2334 0.0 4.66 9253 *169±9 TS8a-59 n.d. 11 19.977 574 8.875 255 2.17 4.66 14919 *209±23 The track densities (�) are measures as x10 5 tr/cm 2 . P� 2 is the probability obtaining a chi-square value for n degrees of freedom (where n = no. of crystals –1). The ages were calculated as central ages, where P� 2 is >5%, and as mean ages (indicated by *), where P� 2 is
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Institut für Geowissenschaften (IF
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Key words: Tien Shan, Pamirs, Tibet
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* Nr. 22 MESCHEDE, M. (1994): Tecto
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* Nr. 55 REINECKER, J. (2000): Stre
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The amalgamation of the Pamirs and
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Wer aber je auf Asiens Erdboden sch
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viii (1971). Black lines with arrow
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x sample locations and age distribu
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xii Swedish expeditions followed. I
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2 postulated that the Safed Khers a
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4 Zusammenfassung Die paläozoische
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6 (d) Oberkreide Spaltspurenalter w
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8 deformation propagate from the pl
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10 source terrains, changes in the
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12 Geochemisches Zentrallabor, Univ
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14 mean UO+/U+ and Pb+/U+ value. Si
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16 apatites and zircons were counte
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18 number of simulation runs and th
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Two Palaeozoic sutures divide the C
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igneous and sedimentary rock sequen
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Triassic and the formation of an is
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27 Lake Karakul The Lake Karakul ar
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3.3.2 Major and trace elements Majo
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32 of 26-40 for samples P2, P5, and
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34 some of the zircons suffered Pb
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36 fractions are situated close to
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3.4.2 Rb/Sr dating The Rb/Sr minera
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45 The Cretaceous plutons show mode
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48 Thompson et al. (1984), who see
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50 granites and have Sm-Nd model ag
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52 associations in Afghanistan is f
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54 Kara Kunlun or Mazar accretionar
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56 Early Jurassic low-angle normal
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58 Coward et al. (1988) pointed out
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60 oceanic crust for the consumptio
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62 Palaeogene volcanic rocks of cen
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64 3.7 Conclusions Based on new own
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4 Cenozoic exhumation history of th
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Southern Tien Shan One Permian gran
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Thermal modelling The results of th
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amphibole, white mica, and biotite
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the zircon PAZ. The apparent apatit
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elt likely operated as an out-of-se
Page 105: ages from gneissic rocks within the
Page 108 and 109: 84 south to 18 Ma in the north; the
Page 110 and 111: 86 Cretaceous plutons that intrude
Page 112 and 113: 88 6 References Allègre C.J., Cout
Page 114 and 115: 90 House, scale 1:2 000 000. Chen F
Page 116 and 117: 92 Karakorum (Sinkiang, China); the
Page 118 and 119: 94 Hurford A.J. and Hammerschmidt K
Page 120 and 121: 96 without double spiking. Geochimi
Page 122 and 123: 98 Geological Society of America, 2
Page 124 and 125: 100 Zamoruyev A., 1995a. Neotectoni
Page 126 and 127: 102 Ann. Rev. of Earth and Planetar
Page 128: 104 this work, especially all membe
Page 132 and 133: II Appendix A Tab. A1 Sample descri
Page 134 and 135: IV Tab. A2 continued Pamir frontal
Page 136 and 137: VI Tab. A2 continued Tertiary exten
Page 138 and 139: VIII Tab. A3 continued Sample Miner
Page 140 and 141: X Tab. A6 Rb/Sr and Sm/Nd isotopic
Page 142 and 143: XII Tab. A7 continued Apparent ages
Page 144 and 145: XIV Tab. A9 U/Pb isotopic ratios fr
Page 146 and 147: XVI Tab. A9 continued 207 Pb/ 206 P
Page 148 and 149: XVIII Tab. A9 continued 207 Pb/ 206
Page 150 and 151: XX Appendix B Plate B1 Cathodolumin
Page 152 and 153: XXII Plate B3 Cathodoluminescence i
Page 154 and 155: XXIV Plate B5 Cathodoluminescence i
Page 158 and 159: XXVIII
Page 160 and 161: XXX
Page 162 and 163: XXXII
Page 164 and 165: XXXIV
Page 166 and 167: XXXVI Tab. C5 continued Sample grai
Page 168 and 169: XXXVIII Tab. C5 continued Sample gr
Page 170 and 171: XL Tab. C5 continued Sample grain-n
Page 172 and 173: XLII Tab. C5 continued Sample grain
Page 174 and 175: XLIV
Page 176 and 177: XLVI Tab. C6 Zircon fission track a
Page 178 and 179: XLVIII
Page 182 and 183: LII
Page 184: LIV Tab. C7 Apatite and zircon fiss
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