Table T9. Ash layers, Site 1237.
Number
Core, section,
interval (cm)
Depth (mcd)
Thickness (cm)
Core, section,
interval (cm)
Depth (mcd)
Thickness (cm)
Core, section,
interval (cm)
Depth (mcd)
Thickness (cm)
Top
Bottom
Top
Bottom
Top
Bottom

202-1237A-


202-1237C-


202-1237D-


1 1H-3, 119-125 6.11 6.17 6 1H-5, 14-20 6.22 6.28 6 1H-3, 84-90 6.15 6.21 6
2 Not found


1H-6, 62-65 8.20 8.23 3 Not found



202-1237B-










3 3H-4, 48-57 21.11 21.20 9 3H-1, 48-62 21.03 21.17 14 2H-5, 9-19 19.61 19.71 10
4 Not found


Not found


3H-2, 46-48 26.32 26.34 2
5 Core gap


3H-5, 135-143 27.94 28.02 8 3H-3, 50-60 27.87 27.97 10
6 Not found


Not found


3H-3, 71-74 28.08 28.11 3
Wash (Wash) 4H-1, 0-1 28.80 28.81 1



Not found


7 4H-1, 33-34 29.13 29.14 1 Not found


Not found


8 4H-1, 52-56 29.32 29.36 4 3H-6, 136-140 29.46 29.50 4 3H-4, 45-51 29.33 29.39 6
9 4H-1, 82-86 29.62 29.66 4 3H-7, 19-24 29.80 29.85 5 3H-4, 76-80 29.64 29.68 4
Wash



4H-1, 3-7 29.78 29.82 4



10 Not found


Not found


3H-4, 100-103 29.88 29.91 3
Wash



4H-1, 26-31 30.01 30.06 5



11 Not found


4H-1, 85-92 30.60 30.67 7 3H-5, 24-25 30.63 30.64 1
12 4H-2, 110-115 31.41 31.46 5 4H-2, 7-15 31.33 31.41 8 3H-5, 100-107 31.39 31.46 7
13 4H-3, 7-19 31.89 32.01 12 4H-2, 54-74 31.80 32.00 20 3H-5/6, (5)149-(6)9 31.88 31.99 11
14 Not found


Not found


3H-6, 10-12 32.00 32.02 2
15 4H-3, 35-36 32.17 32.18 1 4H-2, 81-85 32.07 32.11 4 3H-6, 14-19 32.04 32.09 5
16 4H-4, 79-86 34.13 34.20 7 Not found


Not found


17 5H-1, 89-92 38.16 38.19 3 4H-6, 87-93 38.14 38.20 6 4H-4, 1-8 38.14 38.21 7
18 5H-2, 85-91 39.64 39.70 6 Core gap


4H-5, 0-7 39.60 39.67 7
19 5H-3, 85-102 41.15 41.32 17 5H-1, 44-61 41.11 41.28 17 4H-5/6, (5)149-(6)25 41.09 41.35 26
20 5H-5, 72-74 44.04 44.06 2 Not found


Core gap


21 15H-5, 80-82 44.12 44.14 2 Not found


Core gap


22 5H-5, 112-118 44.44 44.50 6 5H-3, 75-80 44.44 44.49 5 Core gap


23 5H-5, 122-129 44.54 44.61 7 Not found


Core gap


24 5H-6, 17-20 44.99 45.02 3 Not found


Core gap


25 Core gap


5H-6, 31-38 48.53 48.60 7 Core gap


26 6H-2, 17-18 50.90 50.91 1 Core gap


Core gap


27 6H-2, 20-23 50.93 50.96 3 Core gap


Core gap


28 6H-2, 139-140 52.12 52.13 1 6H-1, 10-28 51.87 52.05 18 Core gap


29 6H-3, 12-14 52.36 52.38 2 6H-1, 44-50 52.21 52.27 6 Core gap


30 6H-3, 40-43 52.64 52.67 3 6H-1, 68-77 52.45 52.54 9 Core gap


31 7H-6, 85-88 66.94 66.97 3 Not found


Core gap


32 8H-2, 89-92 70.62 70.65 3 7H-6, 130-140 70.59 70.69 10 Core gap


33 8H-4, 63-70 73.38 73.45 7 8H-1, 141-148 73.38 73.45 7 Core gap


34 9H-5, 0-15 85.40 85.55 15 9H-3, 41-57 85.40 85.56 16 Core gap


35 9H-7, 37-43 88.79 88.85 6 9H-5, 64-72 88.65 88.73 8 6H-1, 127-133 88.64 88.70 6
36 Core gap


9H-6, 21-24 89.73 89.76 3 Not found


37 10H-6/7, (6)129-(7)9 99.58 99.89 31 10H-5, 93-127 99.48 99.82 34 7H-2, 10-46 99.43 99.79 36
38 11H-5, 33-41 107.04 107.12 8 11H-3, 91-99 106.91 106.99 8 7H-CC, 17-21 106.64 106.68 4
39 12H-4, 34-41 116.13 116.20 7 12H-3, 21-26 116.15 116.20 5 8H-6, 120-127 116.11 116.18 7
40 12H-6, 83-88 119.64 119.69 5 12H-5, 89-93 119.83 119.87 4 Core gap


41 13H-2, 123-126 123.80 123.83 3 Core gap


Core gap


42 13H-3, 88-95 124.97 125.04 7 Not found


Core gap


43 14H-1, 29-33 131.54 131.58 4 13H-5, 47-49 131.51 131.53 2 Core gap


44 14H-1, 55-62 131.80 131.87 7 13H-5, 67-75 131.71 131.79 8 Core gap



202-1237B-


202-1237C-






45 14H-1, 109-110 132.34 132.35 1 Not found


Core gap


46 14H-1, 113-114 132.38 132.39 1 13H-5, 123-124 132.27 132.28 1 Core gap


47 14H-2, 76-82 133.52 133.58 6 13H-6, 98-108 133.53 133.63 10 Core gap


48 14H-2, 82-83 133.58 133.59 1 13H-6, 108-109 133.63 133.64 1 Core gap


49 14H-5, 118-123 138.45 138.50 5 14H-2, 52-59 138.37 138.44 7 Core gap


50 Core gap


14H-4/5, (4)144-(5)14 142.29 142.49 20 Core gap


Wash 15H-1, 0-16 141.55 141.71 16



Core gap


51 15H-1, 82-93 142.37 142.48 11 14H-6, 88-98 144.73 144.83 10 Core gap


52 15H-5, 44-52 148.03 148.11 8 15H-2, 62-71 147.97 148.06 9 Core gap


53 16H-5, 9-11 157.32 157.34 2 16H-1, 8-10 157.28 157.30 2 Core gap


54 16H-6, 133-136 160.07 160.10 3 16H-2, 134-136 160.04 160.06 2 Core gap


55 17H-3, 110-118 166.91 166.99 8 16H-7/CC, (7)70-(cc)3 166.90 166.97 7 Core gap


Note: Ash layers that could be correlated between holes are located in the same row and printed in bold type.