Table T8. Summary of curated positions of contacts and internal boundaries for Hole 1138A lava-flow units.

Boundary Curated position Lava structure from boundary downward
Unit 2/3 79R-4, 102 cm (Piece 1) Coherent vesicular
Unit 3 internal 79R-5, 0 cm (Piece 1) Massive
Unit 3/4 80R-1, 119 cm (Piece 16) Altered breccia
Unit 4 internal 80R-2, 35 cm (Piece 3) Coherent vesicular
Unit 4/5 80R-3, 48 cm (Piece 5) Altered black breccia
Unit 5 internal 80R-3, 60 cm (Piece 6) Coherent vesicular
Unit 5/6 81R-1, 6 cm (Piece 2) Coherent vesicular
Unit 6 internal 81R-1, 133 cm (Piece 15) Massive
Unit 6 internal 81R-2, 50 cm (Piece 2) Vesicular
Unit 6/7 81R-3, 10-17 cm (Piece 1) Breccia
Unit 7 internal 81R-4, 53 cm (Piece 6) Coherent vesicular
Unit 7/8 82R-1, 0 cm, (Piece 1) Altered breccia
Unit 8 internal 82R-1, 67-84 cm (Pieces 6&7) Massive
Unit 8 internal 82R-1, 140 cm (Piece 13) Vesicular
Unit 8/9 82R-2, 70 cm (Piece 8) Breccia
Unit 9 internal 82R-3, 110 cm (Piece 8) Coherent vesicular
Unit 9/10 83R-1, 2 cm (Piece 2) Breccia
Unit 10 internal 83R-1, 138 cm (Piece 11) Coherent vesicular
Unit 10 internal 83R-3, 35-40 cm (Piece 4) Massive
Unit 10 internal 83R-4, 50-55 cm (Piece 4A) Coherent vesicular
Unit 10 internal 83R-4, 94 cm (Piece 7) Welded breccia
Unit 10/11 83R-4, 115 cm (Piece 9) Vesicular
Unit 11 internal 83R-5, 60 cm (Piece 5) Massive
Unit 11 internal 83R-6, 53 cm (Piece 4) Welded breccia
Unit 11/12 83R-6, 81 cm (Piece 7) Vesicular
Unit 12/13 84R-1, 130-133 cm (Piece 7) Breccia
Unit 13 internal 84R-3, 137 cm (Piece 9) Coherent vesicular
Unit 13 internal 84R-5, 26 cm (Piece 1) Massive
Unit 13 internal 84R-6, 12 cm (Piece 2) Vesicular
Unit 13/14 85R-1, 0 cm (Piece 1) Breccia
Unit 14 internal 85R-1, 18 cm (Piece 2) Massive
Unit 14 internal 85R-2, 0 cm (Piece 1) Welded breccia
Unit 14/15 85R-3, 34 cm (Piece 2) Breccia
Unit 15 internal 85R-3, 75 cm (Piece 7) Coherent vesicular
Unit 15/16 86R-1, 0 cm (Piece 1) Coherent vesicular
Unit 16 internal 86R-1, 15 cm (Piece 2) Massive
Unit 16 internal 86R-1, 51 cm (Piece 2) Vesicular
Unit 16/17 86R-1, 73 cm (Piece 4) Altered breccia
Unit 17 internal 86R-2, 92 cm (Piece 13) Massive
Unit 17/18 86R-3, 76 cm (Piece 9) Altered breccia
Unit 18 internal 86R-3, 145 cm (Piece 15) Massive
Unit 18/19 87R-1, 0 cm (Piece 1) Breccia
Unit 19 internal 87R-1, 137 cm (Piece 16) Massive
Unit 19 internal 87R-3, 15 cm, (Piece 2) Altered breccia
Unit 19/20 88R-1, 0 cm (Piece 1) Coherent vesicular
Unit 20/21 88R-1, 136 cm (Piece 10) Breccia
Unit 21 internal 89R-1, 97 cm (Piece 5B) Coherent vesicular
Unit 21/22 89R-1, 130 cm (Piece 7) Breccia
Unit 22 internal 89R-2, 80 cm (Piece 5) Coherent vesicular