Sample ID (cm)
|
Age approx.
|
SiO2 (average wt%)
|
Notes
|
|
---|---|---|---|---|
2-M Na2CO3
|
2-M KOH
|
|||
W8709A-5BC: 5-20 | 2 ka | 5.0 | 10.1 | Contains volcanic glass |
K7905-42BC: 15-20 | 12 ka | 2.0 | 2.3 |
|
ME0005A-24JC: |
|
|
|
|
0-1 | 0.04 ka | 14.0 | 12.7 |
|
10-11 | 0.94 ka | 14.4 | 13.5 |
|
30-31 | 2.6 ka | 13.4 | 13.1 |
|
200-201 | 17 ka | 17.1 | 16.0 |
|
660-661 | 56 ka | 26.7 | 26.1 |
|
860-861 | 74 ka | 18.1 | 18.3 |
|
Ash layer D 981-982 | 84 ka | 10.0 | 25.0 | Opal-bearing ash layer |
Ash layer D 981-982 | 84 ka | 6.0 | 21.0 | Opal-free ash layer |
EW9709-7PC (Pat-8): |
|
|
|
|
122-124 | 9-21 Ma | 13.8 | 17.7 | Contains volcanic glass |
335-337 |
|
16.9 | 24.7 |
|
387-389 |
|
17.0 | 22.2 |
|
518-520 |
|
14.3 | 20.6 |
|
696-698 |
|
18.3 | 32.1 |
|
804-806 |
|
10.5 | 14.4 |
|
829-831 |
|
7.4 | 8.9 |
|
982-984 |
|
17.9 | 34.6 |
|
1163-1165 |
|
19.7 | 31.9 |
|
1252-1254 |
|
21.4 | 29.7 |
|
1317-1319 |
|
18.4 | 24.9 |
|
1367-1369 |
|
20.3 | 31.7 |
|
1436-1438 |
|
16.3 | 24.0 |
|
1466-1468 |
|
14.3 | 22.2 |
|
1518-1520 |
|
7.1 | 7.0 |
|
EW9709-12PC (Pat-17): |
|
|
|
|
56-58 | 12-21 Ma | 14.3 | 19.4 |
|
258-260 |
|
21.3 | 36.3 |
|
473-475 |
|
15.5 | 22.9 |
|
593-595 |
|
16.9 | 26.1 |
|
740-742 |
|
24.1 | 42.5 |
|
833-835 |
|
25.9 | 50.8 |
|
979-981 |
|
24.2 | 37.3 |
|
1074-1076 |
|
27.4 | 45.8 |
|
1261-1263 |
|
12.0 | 15.1 |
|
EW9709-3PC (Pat-13): |
|
|
|
|
33-35 | 45-50 Ma | 7.9 | 12.0 |
|
314-316 |
|
11.2 | 15.5 |
|
433-435 |
|
17.5 | 20.7 |
|
633-635 |
|
16.8 | 18.5 |
|
773-775 |
|
18.6 | 52.6 |
|
830-832 |
|
21.7 | 60.9 |
|
933-935 |
|
23.0 | 57.9 |
|
1192-1194 |
|
22.5 | 55.9 |
|
1337-1339 |
|
23.1 | 57.0 |
|
Note: Approx = approximate.