Table T9. Ash layers, Site 1242.
Number
Core, section,
interval (cm)
Depth (mcd)
Core, section,
interval (cm)
Depth (mcd)
Core, section,
interval (cm)
Depth (mcd)
Core, section,
interval (cm)
Depth (mcd)
Glass color
Top
Bottom
Top
Bottom
Top
Bottom
Top
Bottom

202-1242A-

202-1242B-

202-1242C-

202-1242D-


1 NF

3H-6, 59-64 23.24 23.29 2H-3, 35
9.40 ND

?
2 4H-2, 74
32.20 NF

3H-5, 102-103 23.22 23.23 1H-6, 104-105 23.09 23.10 Clear
3 4H-6, 75-82 38.24 38.31 5H-1, 21-30 38.31 38.40 NF

2H-5, 100-108 32.20 32.28 Clear >> brown
4 NF

NF

4H-6, 64-67 38.24 38.27 3H-3, 13-20 38.23 38.30 Clear >> brown
5 5H-3, 46-47 42.98 42.99 NF

4H-6, 104-106 38.64 38.66 NF

?
6 5H-3, 123-126 43.75 43.78 NF

NF

NF

Clear
7 6H-5, 13-15 55.65 55.67 6H-5, 142-143 55.95 55.96 NF

NF

Clear > brown
8 6H-6, 54-59 57.57 57.62 6H-7, 54-63 58.09 58.18 NF

NF

Clear
9 7H-1, 71-72 60.06 60.07 NF

6H-4, 115-117 57.55 57.57 5H-1, 50-60 57.50 57.60 Clear > brown
10 7H-6, 120-121 68.08 68.09 NF

NF

NF

Clear
11 8H-1, 100-106 71.15 71.21 8H-2, 22-25 71.27 71.30 NF

NF

Clear
12 NF

NF

7H-7, 49-52 71.39 71.42 6H-3, 120-125 71.35 71.40 Clear
13 8H-4, 126-129 75.90 75.93 8H-5, 41-43 75.96 75.98 8H-2, 67-70 74.47 74.50 NF

?
14 8H-5, 32-37 76.46 76.51 8H-5, 100-103 76.55 76.58 8H-3, 60-62 75.90 75.92 NF

Clear >> brown
15 8H-5, 63-68 76.77 76.82 8H-5, 135-138 76.90 76.93 8H-3, 124-126 76.54 76.56 6H-7, 39-50 76.54 76.65 Clear
16 8H-5, 128-131 77.42 77.45 NF

8H-4, 7-10 76.87 76.90 NF

Clear
17 9H-4, 121-122 84.76 84.77 NF

8H-4, 82-83 77.62 77.63 NF

Clear
18 10H-1, 142-143 90.57 90.58 10H-1, 54-55 90.59 90.60 NF

NF

Clear
19 NF

10H-4, 50-51 95.05 95.06 NF

8H-1, 92-94 90.62 90.64 Clear
20 NF

10H-5, 69-70 96.74 96.75 NF




Clear
21 11H-3, 112-126 103.99 104.13 11H-2, 113-127 103.98 104.12 NF




Clear
22 11H-4, 0-9 104.37 104.46 NF

Core gap




Clear >> brown
23 NF

NF

Core gap

ND

Clear >> brown
24 NF

NF

11H-1, 47-48 104.85 104.86 ND

?
25 NF

11H-5, 60-61 107.95 107.96 11H-1, 77-78 105.15 105.16 ND

?
26 11H-7, 6-20 108.59 108.73 11H-5, 75-87 108.10 108.22 NF

ND

Clear
27 12H-2, 136-137 112.76 112.77 Core gap

11H-3, 118-132 108.56 108.70 ND

Clear >> brown
28 12H-4, 107-109 115.48 115.50 Core gap

NF

ND

Clear
29 Core gap

12H-2, 141-142 118.84 118.85 12H-1, 68-70 115.43 115.45 ND

Clear
30 NF

NF

12H-3, 113-116 118.86 118.89 ND

Clear
31 15H-2, 48-49 143.76 143.77 14H-6, 8-10 144.31 144.33 13H-4, 103-105 131.21 131.23 ND

?
32 16H-4, 133-137 160.01 160.05 16H-1, 23-26 160.31 160.34 NF

ND

Clear
33 NF

17H-1, 25
169.78 15H-7, 25-29 159.98 160.02 ND

Clear >> brown
34 NF

17H-4, 74
174.77 NF

ND

Pumice (4 mm)
35 1242A-18H-3, 101-105 180.75 180.79 NF

NF

ND

Clear
36 18H-3, 117-123 180.91 180.97 18H-2, 30-35 180.88 180.93 NF

ND

Clear
37 19H-1, 31-32 188.89 188.90 19X-1, 21-23 187.59 187.61 NF

ND

Clear
38 19H-4, 85-89 193.09 193.13 NF

18H-6, 0-3 188.58 188.61 ND

Clear
39 NF

20X-5, 104-105 202.27 202.28 ND

ND

Clear
40 NF

20X-8, 42-43 205.65 205.66 ND

ND

Clear
41 NF

21X-6, 14-15 216.37 216.38 ND

ND

Clear
42 22X-1, 116-121 219.04 219.09 21X-CC, 15-18 218.14 218.17 ND

ND

Clear
43 NF

26X-4, 137-140 275.55 275.58 ND

ND

Clear
44 NF

27X-2, 25-26 277.15 277.16 ND

ND

?

Notes: Ash layers that could be correlated between holes are located in the same row and printed in bold type. ND = not drilled, NF = not found, ? = unknown.