East Scotia Ridge unsecured

D 9867 5898 15 5117 195 1503 935 019 696 1094 295 025

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Unformatted text preview: TZDORFF et al. PETROGENESIS OF EAST SCOTIA RIDGE Segment: E6 E6 E6 E6 E7 E7 E7 E7 E7 E7 Sample: 107DS-3 107DS-4 wx53 108DS-1 wx54b 109DS-1 109DS-2 109DS-3 109DS-4 109DS-5 109DS-6 Lat. (S): 58°02·5′ 58°02·5′ 58°10·21′ 58°19·5′ 58°22·97′ 58°36·6′ 58°36·6′ 58°36·6′ 58°36·6′ 58°36·6′ 58°36·6′ Long. (W): 29°51·0′ Depth (m): 3531 29°51·0′ 3531 29°49·52′ 3550 29°51·6′ 3999 29°57·23′ 3570 29°57·7′ 3636 29°57·7′ 3636 29°57·7′ 3636 29°57·7′ 3636 29°57·7′ 3636 29°57·7′ 3636 16/4 50·49 1·50 15·61 8·71 0·16 7·56 11·28 3·51 0·12 0·27 0·23 99·43 64·53 17/4 51·15 1·61 15·21 9·48 0·19 7·65 11·35 2·80 0·17 0·28 0·21 100·11 62·85 23 50·67 1·49 15·61 8·68 0·18 7·81 11·25 3·48 0·11 026 n.d. 99·54 65·37 23 50·24 1·51 15·44 8·74 0·19 7·60 11·24 3·47 0·14 0·27 n.d. 98·84 64·58 18 49·97 1·49 15·55 8·71 0·17 7·72 11·25 3·48 0·11 0·27 n.d. 98·72 65·03 Major elements (wt %) 20/3 nME/nH2O 22/4 50·31 49·70 SiO2 1·45 1·45 TiO2 15·16 16·31 Al2O3 FeO 8·75 8·07 MnO 0·19 0·17 MgO 8·10 7·86 CaO 11·95 11·29 2·42 3·46 Na2O 0·15 0·15 K2O 0·27 0·27 P2O5 0·28 0·25 H2O Total 99·02 98·99 mg-no. 66·01 67·13 6 50·12 1·11 16·89 7·23 0·15 8·56 11·20 2·78 0·44 0·31 n.d. 98·78 71·31 25/4 50·63 1·68 15·24 8·74 0·18 7·68 11·14 2·95 0·17 0·28 0·24 98·94 64·82 22/2 51·19 2·11 14·46 10·51 0·21 7·25 10·63 3·21 0·17 0·37 0·26 100·38 59·15 22 50·38 1·47 15·58 8·75 0·18 7·75 11·24 3·49 0·11 0·27 n.d. 99·23 65·02 Trace elements (ppm) Sc 29·1 Cr 278 Co 38·9 Ni 104 Cu 52·5 Zn 86·5 Ga 15·1 Rb 2·15 Sr 84·9 Y 25·7 Zr 66·9 Nb 2·67 Cs 0·013 Ba 19·9 La 2·85 Ce 8·31 Pr 1·45 Nd 7·98 Sm 2·98 Eu 1·05 Gd 4·09 Tb 0·760 Dy 5·21 Ho 1·09 Er 3·07 Tm 0·455 Yb 3·02 Lu 0·437 Hf 2·39 Ta 0·165 Tl n.d. Pb 0·388 Th 0·188 U 0·062 34·5 305 36·3 76·1 64·7 90·3 15·3 1·19 127 27·8 94·3 2·26 0·021 15·1 2·98 9·22 1·69 8·97 3·15 1·15 4·18 0·762 4·99 1·07 3·00 0·436 2·86 0·422 2·48 0·154 0·013 0·588 0·138 0·054 31·3 252 36·7 84·8 47·1 86·3 16·1 2·68 118 30·5 98·1 3·23 0·017 20·8 3·97 12·0 2·07 11·1 3·91 1·35 5·11 0·923 6·27 1·28 3·64 0·535 3·55 0·524 3·25 0·202 n.d. 0·636 0·211 0·075 37·7 198 36·5 90·8 47·0 97·9 17·9 2·03 120 43·0 156 3·47 0·033 21·7 5·07 15·4 2·78 14·6 5·14 1·70 6·60 1·21 8·00 1·71 4·87 0·719 4·66 0·694 4·26 0·210 0·018 0·742 0·236 0·092 29·1 253 36·9 86·0 53·7 79·4 14·9 1·26 136 25·0 90·2 1·87 0·000 11·5 3·26 10·8 1·95 10·2 3·41 1·25 4·39 0·772 5·18 1·06 2·92 0·430 2·83 0·409 2·81 0·119 n.d. 0·705 0·116 0·039 1443 30·0 255 37·8 96·0 48·2 82·5 15·5 2·59 100 28·7 82·4 3·11 0·012 22·4 3·45 10·3 1·80 9·66 3·48 1·23 4·72 0·863 5·90 1·22 3·46 0·511 3·39 0·494 2·88 0·193 n.d. 0·465 0·202 0·064 E7 JOURNAL OF PETROLOGY VOLU...
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