37 2 2018 3 GeologicalScienceandTechnologyInformation Vol.37 No.2 Mar. 2018 doi:10.19509/j.cnki.dzkq.2018.0210. [J]. 201837(2):71-78. ( 621000) : (CIA) (ICV) - : ; ; ; ; :P534.51 :A :1000-7849(2018)02-0071-08 - - - (1) [1] [2] [3] [4] - ;4. [5] ;7. ;8. ; ;11. ;12. ; [6] - ;19. ;21. - - ;23. ;24. 1 Fig.1 Tectoniclocationofthestudyarea :2017-05-14 : : (12120114017801) 1. ;2. - ;3. - ;5. ;6. - ;9. ;10. - ;13. ;14. - - ;15. : (1989 ) E-mail:damingswust@163.com ;16. ;17. - ; 18. - - ;20. - ;22.
72 2018-2.1 [8] - 30% 55% 2~15 mm 1 (Ⅴ) - (Ⅴ1) - 2.2 (Ⅴ1-3) Folk [9] (Q)- (T 1-2c) (T 1-2gd) (F)- (L)3 300 (T 3q) (T 1-2gd) 61% 9.7% (T 3q) 2 11.2% (1) (1) (T 3q) 3 - - 0.06~0.8 mm 32%~50% - - 0.06~0.8mm - 12% ~30% 0.1~1 mm 10%~25% 7550m (2) (T 1-2gd) - (2) - - 2965m 0.2~0.5 mm 65% ~ 75%; - 0.08~ 0.4mm 3%~10%; 0.08~0.3 mm 5%~20% (3) 2 0.03~1 mm - Fig.2 Stratigraphiccolumnofthestudyarea 2
2 : 73 55%~70%; 0.05~ 11 0.8mm 8%~15%; 0.071 3%~10% mm(200) X 2.3 2 3.2 11 1 Taylor [10] (PAAS) 0.01~0.05 mm;; ; 1 Al 2O 3 P 2O 5 CaO TiO 2 PAAS SiO 2 Na 2O w (SiO 2 ) 3 (59.81%~74.68% 69.45%) 3.1 SiO 2 ( ) Table1 1 MajorelementsanalysticdataoftheTrassicBayan HarGroup sandstoneindaka Na2O MgO Al2O3 SiO2 P2O5 K2O CaO TiO2 MnO Fe2O3 FeO CIA ICV w B /% PM01-25YQ1 T3q 2.90 1.96 13.54 68.11 0.18 2.45 1.77 0.78 0.08 1.18 3.55 3.04 102.40 67.47 0.81 PM01-40YQ1 T3q 3.11 1.79 13.44 68.56 0.17 2.76 1.66 0.77 0.06 1.30 3.05 2.80 102.22 65.94 0.85 PM05-30YQ1 T3q 2.92 1.62 14.15 68.47 0.18 1.88 0.49 0.66 0.07 2.10 3.87 3.00 102.50 75.06 0.68 6YQ1 T3q 2.45 1.15 11.02 74.68 0.15 1.41 0.97 0.53 0.10 2.39 2.15 2.61 102.40 71.86 0.81 14YQ2 T3q 1.82 1.69 16.14 59.81 0.17 3.16 0.55 0.73 0.06 6.71 2.70 6.00 103.43 76.46 0.91 34YQ1 T3q 2.79 0.94 12.47 74.29 0.14 1.81 0.72 0.57 0.07 1.74 1.70 2.43 102.08 72.00 0.69 PM12-30YQ1 T1-2gd 3.32 1.48 14.31 69.77 0.17 2.26 0.46 0.75 0.06 2.21 2.25 2.53 102.14 72.24 0.73 PM11-2YQ1 T3q 3.37 1.45 14.23 69.01 0.15 2.20 0.97 0.70 0.05 1.48 2.95 2.94 102.45 70.27 0.71 PM11-60YQ1 T3q 3.09 1.63 13.06 69.62 0.19 1.66 1.06 0.65 0.06 1.33 3.95 3.11 102.65 71.58 0.72 PM7-4YQ1 T3q 2.38 1.69 12.65 72.80 0.16 2.07 1.09 0.59 0.08 0.91 3.65 1.38 101.17 71.72 0.69 PM13-58YQ1 T3q 2.86 1.47 13.91 68.86 0.15 2.00 0.72 0.64 0.18 2.84 2.87 3.03 102.69 73.31 0.76 2.82 1.53 13.54 69.45 0.16 2.15 0.95 0.67 0.08 2.20 2.97 71.63 0.76 PAAS [10] 1.19 2.19 18.88 62.40 0.16 3.68 1.29 0.99 2.19 7.18 :CIA ;ICV 3.3 11 2 (La/Yb) N (165.35 10-6 [11] ) 9.07~12.12 9.98 Taylor [10] LREE/HREE 8.80 Cr V (3) Au V Eu Th U Zr Hf LREE HREE 2 4 3.4 4.1 11 3 w( REE)148.1 10-6 ~223.5 10-6
74 2018 2 Table2 TraceelementsanalysticdataoftheTrassicBayan HarGroup sandstoneindaka 40YQ1 30YQ1 6YQ1 14YQ2 34YQ1 30YQ1 2YQ1 60YQ1 4YQ1 58YQ1 T3q T3q T3q T3q T3q T3q T1-2gd T3q T3q T3q T3q Sc 12.17 11.43 10.41 8.72 13.35 9.28 11.92 11.7 10.79 10.54 10.77 11.01 11 Zr 383.6 399.7 210.8 483 202.9 638.9 357.6 281.3 304.7 276.8 190.9 339.11 190 Nb 11.42 10.72 8.32 8.04 11.94 6.88 11.61 11.05 10.47 9.13 9.09 9.88 12 Mo 0.35 0.42 0.46 0.41 0.48 0.49 0.4 0.47 0.47 0.57 0.53 0.46 1.5 Sb 0.56 0.70 0.64 0.60 3.39 0.77 0.47 0.63 0.39 1.16 0.86 0.92 0.2 Cs 4.49 3.90 4.20 3.69 7.65 2.8 4.22 5.43 4.34 7.28 5.46 4.86 3.7 Hfw B /10-6 17.4 19.1 9.8 23.5 9.3 30.7 17.4 13.3 14.8 13.5 8.9 16.15 5.8 Ta 0.89 0.78 0.69 0.70 1.07 0.44 0.88 0.89 0.84 0.75 0.79 0.79 0.96 Th 10.92 12.04 8.28 8.54 11.32 10.32 12.95 10.42 10.33 9.52 8.18 10.26 10.7 U 2.53 2.40 1.97 2.02 2.53 2.65 2.68 2.34 2.12 2.10 2.01 2.3 2.8 Ba 494.3 541.3 341.6 225.9 364.7 311.7 457.1 441.2 313.6 285.1 429.0 382.32 550 Cr 63.75 65.09 62.45 50.7 73.31 48.45 69.26 65.69 60.95 59.28 56.44 61.4 35 Sr 164 158.1 87.31 95.59 77.73 97.02 120 128.2 99.21 108 84.08 110.84 350 V 83.3 80.13 75.97 57 115.3 61.71 86.41 78.71 69.24 71.58 72.02 77.4 60 Au 1.4 1.3 1.0 1.0 1.6 1.1 0.9 0.9 1.7 0.9 1.4 1.2 1.8 Cr/Zr 0.17 0.16 0.3 0.1 0.36 0.08 0.19 0.23 0.2 0.21 0.3 0.21 Th/Sc 0.9 1.05 0.8 0.98 0.85 1.11 1.09 0.89 0.96 0.9 0.76 0.94 Th/U 4.31 5.02 4.21 4.22 4.47 3.9 4.84 4.45 4.88 4.53 4.08 4.45 Zr/Th 35.13 33.19 25.45 56.56 17.93 61.89 27.62 27 29.5 29.08 23.34 33.34 Sc/Cr 0.19 0.18 0.17 0.17 0.18 0.19 0.17 0.18 0.18 0.18 0.19 0.18 3 Table3 RareearthelementsanalysticdataoftheTrassicBayan HarGroup sandstoneindaka 40YQ1 30YQ1 6YQ1 14YQ2 34YQ1 30YQ1 2YQ1 60YQ1 4YQ1 PM01-25YQ1 PM01- PM05- PM12- PM11- PM11- PM7- PM13- PM01-25YQ1 PM01- PM05- PM12- PM11- PM11- PM7- PM13-58YQ1 T3q T3q T3q T3q T3q T3q T1-2gd T3q T3q T3q T3q La 47.75 49.71 31.92 33.44 37.55 38.49 46.19 39.42 36.33 32.13 30.72 38.51 30 Ce 91.17 93.09 61.96 61.31 71.45 71.31 88.13 74.28 70.14 60.94 58.36 72.92 64 Pr 10.71 10.81 7.48 7.21 8.40 8.41 10.20 8.76 8.36 7.10 7.01 8.59 7.1 Nd 40.37 40.38 28.96 26.59 31.68 31.22 37.38 33.66 32.66 26.68 27.61 32.47 26 Sm 7.20 7.19 5.90 4.85 5.92 5.48 6.58 6.31 6.52 5.18 5.80 6.08 4.5 Eu 1.52 1.50 1.24 0.93 1.23 1.09 1.29 1.32 1.28 1.02 1.27 1.24 0.88 Gdw B /10-6 6.07 6.00 5.16 4.31 5.09 4.68 5.18 5.35 5.80 4.51 5.37 5.23 3.8 Tb 1.00 1.00 0.86 0.72 0.84 0.79 0.88 0.91 0.97 0.77 0.88 0.87 0.64 Dy 5.48 5.56 4.73 4.02 4.79 4.41 4.77 4.93 5.38 4.31 4.67 4.82 3.5 Ho 1.12 1.11 0.94 0.81 0.98 0.95 0.96 1.02 1.08 0.87 0.93 0.98 0.8 Er 3.08 3.00 2.41 2.19 2.68 2.57 2.62 2.70 2.82 2.42 2.42 2.63 2.3 Tm 0.50 0.49 0.37 0.35 0.44 0.44 0.43 0.44 0.44 0.39 0.38 0.42 0.33 Yb 3.23 3.19 2.41 2.32 2.82 2.91 2.73 2.90 2.87 2.58 2.40 2.76 2.2 Lu 0.47 0.47 0.34 0.33 0.40 0.42 0.40 0.41 0.40 0.37 0.35 0.40 0.32 Y 29.83 29.74 24.26 21.10 26.18 24.604 25.14 26.775 29.296 23.145 24.592 25.88 22 REE 219.67 223.5 154.65 149.37 174.27 173.16 207.74 182.39 175.06 149.26 148.16 177.93 LREE/HREE 9.49 9.74 7.99 8.93 8.66 9.09 10.56 8.78 7.86 8.21 7.52 8.80 (La/Yb) N 10.6 11.16 9.51 10.35 9.56 9.48 12.12 9.76 9.07 8.94 9.2 9.98 δeu 0.69 0.68 0.67 0.61 0.67 0.64 0.65 0.68 0.63 0.63 0.68 0.66 4 Table4 Variablesandtheircoeficientsofdiscriminantfunctionforprovenanceofsandstoneandmudstone TiO2 Al2O3 Fe2O3 MgO CaO Na2O K2O F1-1.773 0.607 0.76-1.500 0.616 0.509-1.224-9.090 F2 0.445 0.070-0.25-1.142 0.438 1.475 1.426-6.816 : :F=a1x1+a2x2+ +anxn+c x1~xn n ;a1~an ;C
2 : 75 3 - Fig.3 RareearthelementsdistributionofthesandstoneinDaka SE- NW [15] EW NE-SW NS 2~15 mm SE 55% 4.2 Roser [12] 1988 2 (4) [16] 4 4.2.1 103 11 (4) Th Sc Co Cr [17] Dickinson 5 [1013-14] Th/Sc 2 Th/Sc 0.76~ 1.11 0.94 Th/Sc (0.97) Th/Sc (0.03) [2] Wronkiewicz - P1. ;P2. ;P3. ;P4. [14] CrZr Cr/Zr 0.08~ 0.36 0.21 1 4.2.2 Bhatia [18] 1983 Fe Ti Mg Bhatia [18] 4 Fig.4 Sandstone sprovenancediscriminationdiagramindaka 4
76 2018 Q. ;F. ;L. ;A. ;B. ;C. 10-6 ~49.71 10-6 38.51 10-6 w(ce) 11 (6) 58.36 10-6 ~93.09 10-6 72.92 10-6 w( REE)148.1 10-6 ~223.5 10-6 177.93 10-6 (La/Yb) N 9.07~12.12 9.98LREE/HREE 8.80δEu 0.66 Bhatia [20] (6) 3 Sc/CrTh/U Th/Sc [19] (5) w(th) 8.18 10-6 ~12.95 10-6 10.26 10-6 4.3 w(u)1.97 10-6 ~2.68 10-6 2.30 20 80 Nebit [21] 10-6 w(sc)8.72 10-6 ~13.35 10-6 CIA 11.01 10-6 Sc/Cr 0.17~0.19 0.18 Th/U 3.90~5.02 4.45Zr/Th :CIA= 17.93~61.89 33.34Th/Sc 0.76~ [A1 2O 3 /(Al 2O 3+CaO * +Na 2O+K 2O)] 100( 1.11 0.94 5 )CaO * CaO McLennan [22] Panahi [23] CaO * P 2O 5 CaO[(CaO * =CaO-(10/3 P 2O 5 )] 11 CaO * Na 2O CaO * 1 A. ;B. ;C. ;D. 6 Fig.6 Bhatia [19] 5 11 (7) Th-Sc-Zr/10 La-Th-Sc 5 ( [17]) Fig.5 DetritalcompositiondiagramofBayan HarGroupinDaka w(la)30.72 CIA CIA 66~76 72 - [24] Cox [24] ICV ICV= ( [18]) (Fe 2O 3 + K 2O + Na 2O + CaO + MgO + TiO 2 )/ Discrimination diagramsof majorelementschemical Al 2O 3 ICV 0.69~0.91 compositionsforthetectonicsetingofthesandstones 0.76
2 : 77 5 [20] Table5 Traceelementsfeaturesofsandstoneindiferenttectonicsetings Th U Zr Sc Co Sc/Cr Th/U Zr/Th Th/Sc w B /10-6 2.27±0.7 1.09±0.21 96±20 19.5±5.2 18±6.3 0.57±0.16 2.1±0.78 48.0±13.4 0.15±0.08 11.1±1.1 2.53±0.24 229±27 14.8±1.7 12±2.7 0.32±0.06 4.6±0.45 21.5±2.4 0.85±0.13 18.8±3.0 3.90±0.5 179±33 8.0±1.1 10.0±1.7 0.30±0.02 4.8±0.38 9.5±0.7 2.59±0.5 16.7±3.5 3.20±0.8 298±80 6.0±1.4 5.0±2.4 0.16±0.02 5.6±0.07 19.1±5.8 3.06±0.8 6 REE [20] Table6 Rareearthelementsfeaturesofsandstoneindiferenttectonicsetings La Ce REE w B /10-6 La/Yb (La/Yb) N LREE/HREE δeu 8±1.7 19±3.7 58±10 4.2±1.3 2.8±0.9 3.8±0.9 1.04±0.11 27±4.5 59±8.2 146±20 11±3.6 7.5±2.5 7.7±1.7 0.79±0.13 37.00 78.00 186.0 12.50 8.5 9.10 0.60 39.00 85.00 210.0 210.00 10.8 8.50 0.56 A. ;B. ;C. ;D. 7 ( [18]) Fig.7 Discriminationdiagramsoftraceelementsforthetectonicsetingofthesandstones 5 6 - ( ) (1) (2) (3) ; ( ) (4)
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