East Scotia Ridge unsecured

D not detected 1446 fretzdorff et al petrogenesis of

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Unformatted text preview: wt %) 10 nME/nH2O 10/7 51·53 56·53 SiO2 1·64 1·14 TiO2 14·93 14·74 Al2O3 FeO 9·78 9·89 MnO 0·20 0·20 MgO 7·16 4·26 CaO 11·31 8·54 3·37 3·06 Na2O 0·16 0·28 K2O 0·31 0·26 P2O5 0·24 n.d. H2O Total 100·64 98·90 mg-no. 60·58 47·47 13 54·98 1·69 15·16 10·78 0·22 3·58 7·67 3·49 0·21 0·28 n.d. 98·06 41·08 6 54·86 0·88 15·67 8·96 0·18 5·63 10·19 2·56 0·21 0·25 n.d. 99·39 56·85 11 52·31 0·89 16·36 8·07 0·17 6·65 11·80 2·50 0·13 0·26 n.d. 99·13 63·36 19 52·11 1·24 16·34 8·20 0·18 6·20 10·95 3·21 0·27 0·29 n.d. 99·00 61·33 10 50·99 1·12 15·97 7·86 0·18 6·94 11·61 3·05 0·28 0·29 n.d. 98·28 64·92 18/5 51·75 0·90 16·40 7·48 0·17 7·06 12·03 2·68 0·21 0·26 0·92 99·85 66·44 16/5 51·53 1·85 15·71 9·13 0·17 6·61 10·57 3·77 0·52 0·40 0·44 100·71 60·31 23/4 51·30 1·53 15·78 8·83 0·18 7·21 11·32 3·62 0·30 0·34 0·30 100·71 63·16 Trace elements (ppm) Sc 37·5 36·0 Cr 238 23·2 Co 37·3 31·8 Ni 91·1 18·7 Cu 62·2 115 Zn 73·4 78·2 Ga 15·5 15·5 Rb 1·43 3·38 Sr 140 143 Y 27·2 21·4 Zr 95·3 68·0 Nb 2·03 1·60 Cs 0·027 0·117 Ba 15·3 46·4 La 3·15 2·67 Ce 9·65 7·80 Pr 1·68 1·33 Nd 8·94 6·80 Sm 3·06 2·32 Eu 1·15 0·864 Gd 4·09 3·04 Tb 0·745 0·554 Dy 4·89 3·74 Ho 1·05 0·801 Er 2·99 2·31 Tm 0·444 0·350 Yb 2·89 2·32 Lu 0·432 0·359 Hf 2·41 1·78 Ta 0·128 0·115 Tl 0·015 0·029 Pb 0·556 0·888 Th 0·140 0·281 U 0·051 0·089 33·6 12·4 34·1 19·1 69·7 73·3 15·7 2·20 138 20·8 62·8 1·43 0·074 35·3 2·24 6·88 1·22 6·53 2·25 0·882 3·04 0·562 3·73 0·816 2·32 0·345 2·32 0·341 1·73 0·098 0·019 0·682 0·166 0·053 37·0 70·1 31·6 35·8 95·0 66·7 14·1 2·83 135 16·2 48·1 0·947 0·082 32·0 2·08 5·99 1·00 5·27 1·77 0·720 2·39 0·439 2·93 0·641 1·85 0·276 1·83 0·275 1·34 0·058 0·024 0·886 0·220 0·067 37·0 223 33·2 61·8 74·8 60·1 13·6 1·48 124 16·1 43·9 0·767 0·054 26·5 1·53 4·75 0·854 4·67 1·70 0·686 2·28 0·426 2·84 0·613 1·79 0·265 1·77 0·262 1·23 0·048 0·015 0·566 0·121 0·038 31·3 158 32·6 69·3 62·8 64·3 14·8 3·95 160 21·5 85·6 3·52 0·087 51·7 3·90 10·5 1·71 8·58 2·68 0·981 3·34 0·606 3·96 0·844 2·34 0·347 2·27 0·340 2·24 0·227 0·029 1·70 0·305 0·110 26·3 202 36·2 104 65·8 60·3 13·7 2·28 171 16·0 70·7 3·47 0·046 67·6 3·28 8·70 1·38 6·91 2·21 0·846 2·69 0·480 3·13 0·648 1·83 0·263 1·70 0·251 1·78 0·218 0·019 0·628 0·253 0·091 33·8 224 31·8 84·7 64·5 45·7 12·8 2·78 155 14·1 46·0 2·04 0·060 31·8 2·52 6·70 1·09 5·54 1·78 0·715 2·31 0·404 2·67 0·567 1·68 0·232 1·52 0·227 1·33 0·127 0·015 0·568 0·193 0·067 35·7 197 34·4 64·8 53·6 83·2 17·7 8·75 221 33·0 163 8·88 0·141 90·0 8·46 21·0 3·21 15·3 4·54 1·58 5·44 0·960 6·12 1·29 3·56 0·517 3·37 0·493 3·95 0·533 0·030 0·995 0·610 0·220 38·6 190 35·7 63·1 70·6 83·4 17·3 4·48 185 25·6 82·0 4·49 0·076 51·7 5·82...
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