36 2 NOR THW EST ERN GEOLO GY V o l. 36N o. 2 (Sum 145) : 100926248 (03) 02001212 1, 2 (11, 710054; 21, 7000) :,, : B 1P1 B 1P1; 1, : ; ; ; ; : P542: A 1 111 280 km (1),,, 5 (2),,,, 112, [1 ], [2 ] ;, [3 ] ; 2 [4, 5 ], [4 ] (aggr2a2 dation) (degradation),, [6 ],,,, () [7 ] : () ( ),,, : 027225; : 0348 : (: 9521314) : (19652),,,,
2 N OR T H W ES T ERN GEOL OGY 03 1 F ig11geo logical sketch m ap in the m iddle and upper reaches of the Yellow R iver 11 ; 21 ; 31 ; 41 ; 51 ; 61 ; 71 ; 81 ; 91 ; 101 ; 111 2 W illiam B 1 Bull [6 ] : (fill terrace),, ; 2 (fill2cu t terrace),,,,, ; (strath terrace),,, () () 2,, 2, 2,,, [8 ],,,, ( ),,, ( stream pow er) (resisting pow er), :,,,,,,, (clim atic aggradation),, ;,,,,,,,,
36 2 : 3 2 F ig12t he m easured section in typ ical area in the m iddle and upper reaches of the Yellow R iver 11 ; 21 ; 31 ; 41 ; 51 ; 61 ; 71
4 N OR T H W ES T ERN GEOL OGY 03,,,,,, (comp lex2respon se terrace) 3 311 21 TL,, 21, T 1T 7 T 5 (199618) [1 ] (1995) [9 ], 1 (, 199618) [1 ], 1 ;, 12, 12 (3),,, (1) 110 [9 ], 110 [10 ], 110 [9 ], 110 ( ), T 5, 1 8741 880 m 114 m, (? steg od on sp 1) (? p a laeolox d on sp 1), Q 23 1 (1 ), 110, ; 60 [11 ], 78 [12 ], T 4 60 [9 ],,, (2),,, T 12, T 4 T 11 (17 ) 8, T 7T 9 3 T 10T 9, T 9 T 6 T 5,,, 8, T 2T 3, ( 199218 ) [13 ] 8,, 8,,, (3),,,,, 12,,, T 4 (8 ) T 2 (1 ) 3,, 8,,, 8,,,,,,,,,,, (), (4),, (12 )8 ( 2),,
36 2 : 5 1 T ab11d ata and ages of the Yellow R iver terraces from Gonghe to L anzhou T 12 2 911 423 4 TL 210 10 T 11 2 871 383 4 TL 0 1010 T 10 2 867 379 79 19917 2 960 500 140 TL 9 10 T 9 2 788 0 18 TL 195 917 2 8 360 52 013 2 460 252 35 TL 187 914 T 8 2 770 282 19310 2 768 8 36 TL 197 919 2 425 217 55 TL 187 913 2 5 250 55 T 7 2 740 252 18 TL 189 9 2 732 272 56 17411 2 370 162 40 14010 2 250 195 40 TL 229 11 T 6 2 722 234 22 18410 2 676 216 13812 2 3 122 10512 2 370 162 2 210 5 4 T 5 2 700 212 10 17710 2 310 102 41 8719 2 350 142 60 2 6 1 2 221 271 99 T 4 2 690 2 48 TL 174 817 2 269 61 11 5216 2 290 82 38 TL 119 610 2 176 121 31 TL 3 717 2 122 172 60 T 3 2 624 4 82 14010 2 258 50 29 4311 2 252 44 14 6411 2 146 90 55 2 062 112 72 1 960 65 TL 142 710 T 2 2 560 72 60 6613 (2585) 8010 2 229 21 11 1811 2 238 4317 2 090 35 18 1 990 40 1 9 35 T 1 2 500 2 488 12 12 12 2 218 2 460 10 10 816 2 223 2316 2 072 17 17 1 970 1 910 2 8 2 8 2 055 1 950 1 895 () T 7 1 840 T 6 1 740 340 100 240 0 160 0 T 5 2 0 460 295 (110 ) 3 1 914 124 12 1 868 8 38 1 860 240 37 1 7 2 70 110
6 N OR T H W ES T ERN GEOL OGY 03 () T 4 2 005 165 81 TL 3 716 2 410 610 380 1 902 112 42 1 905 5 125 TL 196 918 1 8 1 35 TL 4 193 1012 1 813 95 TL 197 918 1 650 0 70 60 T 3 1 924 84 44 TL 8710 414 2 0 2 1 1 860 70 45 1 780 14 1 795 85 23 1 718 98 58 TL 148 714 1 580 80 45 T 2 1 880 40 TL 8412 412 1 900 100 80 1 8 25 24 1 766 16 8 1 772 62 32 1 660 40 25 TL 84 412 1 535 35 25 316 T 1 1 860 1 8 1 791 1 1 1 758 8 8 1 740 1 635 1 510 10 100 017 1 840 1 800 1 790 1 750 1 710 1 6 1 500 3 : 21 TL, 3 [ 1 ][ 9 ] 2 T ab12equal age data of the Yellow R iver longitudinal section from Gonghe to L anzhou TL 210 T 12 2 911 T 10 2 960 10ka TL 9 10ka T 9 2 469 TL 187 914ka T 7 2 272 T 3 2 642 T 6 2 676 T 7 2 370 T 4 2 180 TL 229 11ka TL 3 717ka T 3 1 960 TL 142 1019ka 8 T 2 2 560 8 T 2 2 585 8 T 5 2 269 8 T 2 2 122 8 T 2 1 9 8 T 4 2 005 TL 3 716ka 8 T 2 1 880 TL 84 412ka T 4 1 905 TL 196 918ka T 4 1 8 TL 4 1012ka T 4 1 813 T 3 1 780 T 3 1 795 T 3 1 718 T 2 1 766 8 T 2 1 772 8 T 2 1 660 TL 197 918ka TL 148 714ka TL 84 412ka T 3 1 580 (5),,,,,,,, 110 B 1P1 80 B 1P1 140 m, [10 ] 0 m (2 0052 0 m ), () 4, T 3 (3) (6),, T 5 T 4 0 m, T 12T 1114 m (2 92 871 m )?,,,,,,
36 2 : 7 3 F ig13t he longitudinal section of the Yellow R iver terraces from Gonghe to L anzhou,, 140 m 78 [12 ], 80 [10, 14 ], 60 [11 ],, ( ) 28 km, 10 km (2 450 m ), 0 km, 45 km, 70 km, ( 10 B 1P1, 1995 [2 ] ),,,,,, T 12T 11 (7),,,,,,,,,,,,,, ( ), (, 110 B 1P1 [10 ] ),,, (8), N 2 291 m,, T 1T 4 4,, ;,,, :,,, [ ],, 1 1 (924821) 11972
8 N OR T H W ES T ERN GEOL OGY 03,,,,,,,,,, 312 (1), ;, 110, (2),,, (3) SW N E,,, (4),, ;, T 2T 4, T 6T 10 (5) (6), ( ) ( ) 313 3 (4), 110,, 8, (2) T 3 TL 8710 414 ka, T 4 TL 3716 ka, 81,,, 4 5,,, () 3 T ab13t he average lifting range in every period from Gonghe to L anzhou 11060 140 211 70 60 44 169 718 269 284 99 94 92 32 16 125 35 95 8 8 82 91 101 64 59 125 80 23 58 81 60 91 51 48 50 60 32 25 41 10 12 34 10 17 10 (km ) 5 34 55 75 1 160 178 216 244 256 265 () 4(mm ga) T ab14t he average lifting rate in every period from Gonghe to L anzhou (mm ga) (mm ga) 11060 01280 01345 01140 60 01010 014 010 51380 51680 11980 11880 11840 016 013 200 01700 11900 01160 8 11171 110 11429 01914 01829 01429 11786 11143 01329 01829 01429 81 01857 110 01729 01686 01714 01429 01286 01867 01457 01357 01143 10 112 314 110 1 117 1 210 210 210 1 110 km 0125 1170 2175 3175 5175 8100 8190 10180 121 12180 13125
36 2 : 9 4 110 B 1P1 F ig14t he lifting ranges from Gonghe to L anzhou since 1110 M a B 1P1 5 110 B 1P1 F igt he lifting rate from Gonghe to L anzhou since 1110 M a B 1P1
10 N OR T H W ES T ERN GEOL OGY 03 314 5, 1 2, T 12, 2101 mm ga, T 12T 11 414 mm ga, T 11T 4 6196 mm ga, T 4T 1 1117 mm ga,, 10, T 4T 1 4 T 3T 1,,,,, T 460, T 126 m, 67 m, 28 m,,,,, 510 cm 90%,,, 5 cm, 4 m, 5, T 9 m, 1 m, 4050 cm, 100 cm 60 cm 25 cm, 3,, (, ), T 9, 5 T abd ata of the Yellow R iver terrace in Guide N ina T 9 T 8 T 7 T 6 T 5 T 4 T 3 T 2 T 1 2 460 2 425 2 370 2 3 2 310 2 269 2 258 2 229 2 218 2 8 2 575 2 460 2 425 2 370 2 3 2 310 2 269 2 258 2 229 1 35 55 40 41 11 29 11 500 197 145 6 60 50 10 1 013 km, 50 km (1), T 1T 9 1 013 m (5),, 2 km, T 9 1 km, 2 km, km, 1 m 70 m 3, 70 m 3,,, [16 ], T 6 2 210 m, 2 272 m, 62 m,,,,, T 4 35m, 10 cm 10 cm, 4 (1994) [17 ], ( ) (0013) [18 ] (60 B 1P1 10 41 23 ) (1990) [19 ] 4 (4 )W illiam B 1Bull (1991) [ ] ( 96 ka, 41 ka, 23 ka),,,, [21, 22, 12, 1, 10, 14 ],, T 1 1 [23 ], T 1,
36 2 : 11 5 (1),, (2) B 1P1 B 1P1 1 (3), :,,,! : [ 1 ],,, 1 [J ] 1 (D ), 1996, 26 (4): 31623221 [2 ], 1 [J ] 1, 1995, (4): 35323591 [ 3 ],,, 1 [J ] 1, 1998, (3): 23822481 [ 4 ], 1 [J ] 1, 1998, 43 (): 692741 [5 ],, 1 2 [J ] 1, 1997, 42 (18): 1986219891 [ 6 ]W illiam B Bull1Stream - terrace genesis: imp lication fo r so il developm ent [J ] 1Geomo rpho logy, 1990, (3): 3512 3671 [ 7 ] Searle M P1Geo logical evidence against large2scale P re2 Ho locence offset along the Karako ram Fault: Im p lica2 tion fo r the lim ited extrusion of the T ibetan p lateau [J ] 1T ecton ics, (1): 17121861 [ 8 ] 1 [M ]1 :, 1985, 61265, 23222371 [ 9 ],,, 1 : g, [J ] 1 (), 1995, 31 (4): 1602 1671 [10 ],,, 1 [J ] 1, 1999, 54 (1): 102 211 [ 11 ] L ij ijun1 T he environm ental effects of the up lift of the Q ingh ai2x izang p lateau [M ] 1Q uaternary Science R e2 view s, p rinted in Great B ritain, 1991, 10147924831 [ 12 ],, 1 [J ] 1 (), 1994, (1): 121231 [ 13 ], 1 [M ] 1 :, 19921342511 [ 14 ], 1 [M ] 1 :, 19981 [ ],,, 1 [J ] 1, 1997, 42 (14): 1457214711 [ 16 ], 1 [M ] 1 :, 1997187-871 [17 ], 1 [M ] 1 :, 19941142291 [ 18 ],,, 1 [J ] 1, 00, (2): 10921281 [19 ] 1 [J ] 1, 1990, (1): 212311 [ ] W illiam B Bull1 Geomo rph ic R esponses to C lim atic Change [M ] 1O xfo rd U niversity P ress, 19911 Page: 391 [ 21 ],, 1 [J ] 1 (), 1984, (1): 146271 [ 22 ] 1 [J ] 1 (), 1987, 23 (2): 10921191 [23 ] 1 [J ], 102, (3): 702751
12 N OR T H W ES T ERN GEOL OGY 03 Relation between the formation of the Y ellow R iver valley landform s from Gonghe, Qingha i to Lanzhou, Gan su and the uplif ting in northeast part of Qingha i-x izang plateau ZHAO Zhen2m ing 1, L IU B ai2ch i 2 (11X i an Institu te of Geology and M inera l R esou rces, X i an710054, Ch ina; 21 L anz hou Institu te of S eism ology Ch ina S eism olog ica l B u reau, L anz hou7000, Ch ina) Abstract: A cco rding to a great deal of data m easu red p ractically in the typ ical area of the Yellow R iver val2 ley from Gonghe to L anzhou, and refering to the research resu lts befo re, w e p ropo se that the valley land2 fo rm s is fo rm ed by tecton ic p rocess under som e condition s, and up lift rate of the valley landfo rm s reflects tw o new tecton ic even ts: one from 012 M ab 1P1 to 01 M ab 1P1, and ano ther from 0101 M ab 1P1 to p re2 sen t1 Since Q uaternary, directing to no rtheast, the gradual reduction stress is indicated by the longitudinal section of the Yellow R iver terrace in Q inghai2x izang p lateau, the stress is disappeared in som e period in L anzhou1 Keywords: the Yellow R iver terrace; tran sverse section; longitudinal section; tecton ic even t; p lateau up2 lift ing : (95204),,,, : 1999, (1) ; 01, 34 (4) 02, 35 (3) ; 02, 21 () 22 (1) ; - -,,, ()