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Table 13.1 Locations of dredge sites during KH-10-6 cruise and submersible Shinkai 6500 dive sites during YK05-16 cruise

From: Petrology and Geochemistry of Mid-Ocean Ridge Basalts from the Southern Central Indian Ridge

Segment Location Dredge/dive sites Latitude Longitude Water depth (m) Total weight of samples (g) Lithologya
CIR-S1 Off ridge KH-10-6DR1 −25°15.00′ 70°00.2′ 3,115 57,020 B, SP, G, D
CIR-S1 Off ridge KH-10-6DR2 −25°17.80′ 70°01.7′ 2,682 18,540 B
CIR-S1 Off ridge KH-10-6DR3 −25°17.14′ 70°02.0′ 2,726 5,550 B
CIR-S1 Off ridge KH-10-6DR4 −25°17.19′ 70°01.9′ 2,778 2,310 B
CIR-S1 Off ridge KH-10-6DR5 −25°17.09′ 10°02.6′ 2,720 51,170 B
CIR-S1 Off ridge KH-10-6DR6 −25°18.53′ 69°58.9′ 3,297 84,440 B
CIR-S1 Northern KH-10-6DR7 −25°20.06′ 69°56.6′ 4,052 912 B
CIR-S1 Off ridge KH-10-6DR8 −25°13.79′ 69°57.8′ 3,886 3,920 B, D
CIR-S1 Off ridge KH-10-6DR9 −25°13.80′ 69°59.5′ 3,396 65,840 G, SP, D, B
CIR-S1 Off ridge KH-10-6DR10 −25°13.46′ 70°04.7′ 2,966 17,270 B, G, SP
CIR-S1 Off ridge KH-10-6DR11 −25°14.49′ 70°03.7′ 2,725 22,510 SP
CIR-S1 Off ridge KH-10-6DR12 −25°15.69′ 70°03.9′ 2,551 96,825 B,SP
CIR-S1 Off ridge KH-10-6DR20 −25°23.48′ 69°44.5′ 3,160 146,310 SP,G
CIR-S1 Off ridge KH-10-6DR21 −25°21.39′ 69°50.1′ 3,275 14,890 B,G,SP
CIR-S1 Off ridge KH-10-6DR22 −25°13.40′ 70°12.4′ 3,163 145 SP,B
CIR-S2 Northern KH-10-6DR17 −24°37.86′ 69°48.7′ 2,882 8,265 D,B
CIR-S2 Northern KH-10-6DR18 −24°45.32′ 69°52.8′ 3,821 1,560 SP,G
CIR-S2 Southern KH-10-6DR19 −25°06.08′ 70°04.3′ 3,054 204,810 SP,G
CIR-S2 Center 6K#926 −24°52.50′ 69°57.91′ 3,545   B
Knorrb Summit KH-10-6DR15 −24°28.95′ 69°55.1′ 2,242 67,55 B
Knorrb Summit KH-10-6DR16 −24°31.77′ 69°55.5′ 2,268 10,850 B
Knorrb Western flank 6K#924 −24°28.88′ 69°49.29′ 2,783   B
CIR-S3 Northern end KH-10-6DR14 −23°49.64′ 69°30.0 3,462 24,400 B
CIR-S3 Northern 6K#923 −23°52.93′ 69°35.57′ 3,547   B
CIR-S3 Center 6K#927 −24°08.06′ 69°39.02′ 3,592   B
CIR-S4 Southern end KH-10-6DR13 −23°39.92′ 69°28.8′ 3,684 28,925 B
  1. aAbbreviations for lithology are as follows; B basalt, SP serpentinized peritotite, G gabbro, D dorelite
  2. bKnorr seamount
  3. Locations for on bottom are shown for both dredge and dive sites