East Scotia Ridge unsecured

208 628 143 0074 353 224 688 122 653 225 0882 304

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Unformatted text preview: ME 43 NUMBER 8 AUGUST 2002 Table 1: continued Segment: E7 E7 E7 E7 E7 E7 E7 E7 E7 E8 Sample: 109DS-7 110DS-1 110DS-2 110DS-3 110DS-4 110DS-5 110DS-6 110DS-7 wx55 wx56 wx57 Lat. (S): 58°36·6′ 58°44·2′ 58°44·2′ 58°44·2′ 58°44·2′ 58°44·2′ 58°44·2′ 58°44·2′ 58°49·88′ 58°49·81′ 59°01·82′ Long. (W): 29°57·7′ Depth (m): 3636 29°56·0′ 3916 29°56·0′ 3916 29°56·0′ 3916 29°56·0′ 3916 29°56·0′ 3916 29°56·0′ 3916 29°56·0′ 3916 29°52·15′ 3260 29°37·17′ 3587 29°31·20′ 3364 15/3 50·70 1·94 14·97 9·39 0·19 6·98 10·95 2·95 0·26 0·35 0·33 99·01 60·92 20 50·66 1·97 14·52 9·93 0·19 6·81 11·02 2·98 0·27 0·32 n.d. 98·67 58·98 15 51·17 1·95 15·03 9·35 0·19 6·96 10·94 2·95 0·25 0·37 n.d. 99·17 60·96 19/3 50·89 1·95 14·97 9·36 0·18 6·94 10·97 2·96 0·27 0·34 0·35 99·19 60·86 11/3 51·49 1·94 15·07 9·25 0·18 7·02 10·89 2·97 0·25 0·36 0·40 99·82 61·41 13 51·24 1·97 15·00 9·36 0·19 6·95 10·98 2·97 0·26 0·36 n.d. 99·29 60·91 6 51·36 1·46 14·75 8·95 0·20 7·58 11·83 3·18 0·25 0·28 n.d. 99·82 64·00 16 53·09 1·72 15·21 9·98 0·19 5·04 9·49 3·55 0·21 0·31 n.d. 98·79 51·45 28/2 51·26 1·59 15·00 9·56 0·20 7·40 11·41 3·37 0·15 0·32 0·26 100·51 61·88 37·7 251 38·3 87·0 62·0 126 17·0 1·91 125 32·0 107 2·49 0·049 17·2 3·39 10·5 1·87 10·1 3·59 1·26 4·76 0·874 5·84 1·26 3·58 0·524 3·43 0·506 2·88 0·223 0·020 0·936 0·165 0·062 35·4 27·9 31·8 26·8 56·4 84·0 17·3 2·67 143 32·2 121 2·71 0·058 28·6 4·17 12·3 2·15 11·2 3·75 1·34 4·91 0·891 5·88 1·26 3·59 0·527 3·50 0·528 3·13 0·157 0·021 0·705 0·219 0·080 37·8 262 37·7 85·3 60·4 76·0 16·1 1·39 151 30·7 112 2·32 0·021 16·3 3·76 11·3 1·99 10·4 3·58 1·30 4·62 0·849 5·59 1·19 3·41 0·497 3·24 0·481 2·89 0·150 0·015 0·577 0·159 0·061 Major elements (wt %) 21 nME/nH2O 25 50·78 50·83 SiO2 1·60 1·96 TiO2 15·13 14·67 Al2O3 FeO 9·45 10·03 MnO 0·20 0·20 MgO 7·57 6·86 CaO 11·39 10·99 2·79 2·93 Na2O 0·17 0·26 K2O 0·28 0·35 P2O5 n.d. n.d. H2 O Total 99·35 99·08 mg-no. 62·69 58·94 Trace elements (ppm) Sc Cr Co Ni Cu Zn Ga Rb Sr Y Zr Nb Cs Ba La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta Tl Pb Th U 27·2 204 30·5 68·7 39·2 95·1 13·8 3·76 95·6 28·6 95·2 3·92 0·027 29·9 4·37 12·4 2·10 10·7 3·62 1·22 4·78 0·870 5·90 1·23 3·48 0·519 3·46 0·502 3·16 0·227 0·001 0·594 0·264 0·090 1444 E8 FRETZDORFF et al. PETROGENESIS OF EAST SCOTIA RIDGE Segment: E8 E8 E8 E8 E8 E9 E9 E9 E9 E9 Sample: wx58 wx59 wx60 wx61 wx62 wx63 wx64 wx65 wx67 wx66 wx66dupl. Lat. (S): 59°10·23′ 59°16·81′ 59°19·21′ 59°25·19′ 59°37·18′ 59°32·99′ 59°46·74′ 59°55·20′ 60°03·25′ 60°04·25′ 60°04·25′ Long. (W): 29°30·08′ Depth (m): 3356 29°30·60′ 2816 29°30·29′ 2705 29°30·01′ 3148 29°33·00′ 3764 30°04·79′ 3237 30°04·80′ 3346 30°01·21′ 2849 29°58·21′ 2694 29°58·01′ 2442 29°58·01′ 2442 Major elements (...
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