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Table T31. Characterization of the type and maturity of organic matter in the cuttings samples, Hole C0020A.
Cuttings
sample
|
Depth MSF (m)
|
Lithology
|
S1
(mg HC/g)
|
S2
(mg HC/g)
|
S3
(mg CO2/g)
|
Tmax
(°C)*
|
HI
(mg HC/g TOC)
|
OI
(mg CO2/g TOC)
|
PI
|
PC
(wt%)
|
RC
(wt%)
|
|
Top
|
Bottom
|
|
337-C0020A-
|
|
25-SMW
|
646.5
|
656.5
|
Silty clay
|
1.1
|
3.0
|
1.1
|
297
|
276
|
100
|
0.27
|
0.39
|
0.71
|
|
30-SMW
|
696.5
|
706.5
|
Silty clay
|
1.3
|
4.1
|
1.7
|
297
|
317
|
130
|
0.24
|
0.51
|
0.79
|
|
35-SMW
|
746.5
|
756.5
|
Silty clay
|
0.8
|
3.2
|
1.3
|
295
|
286
|
114
|
0.21
|
0.38
|
0.74
|
|
40-SMW
|
796.5
|
806.5
|
Silty clay
|
1.3
|
3.0
|
1.5
|
412
|
249
|
121
|
0.31
|
0.41
|
0.79
|
|
45-SMW
|
846.5
|
856.5
|
Clayey silt
|
0.7
|
2.0
|
1.2
|
295
|
243
|
145
|
0.24
|
0.27
|
0.57
|
|
56-SMW
|
896.5
|
906.5
|
Silty clay
|
0.7
|
2.3
|
1.3
|
411
|
234
|
134
|
0.23
|
0.30
|
0.67
|
|
61-SMW
|
946.5
|
956.5
|
Clay-silt
|
0.7
|
1.9
|
0.9
|
296
|
231
|
116
|
0.28
|
0.25
|
0.56
|
|
66-SMW
|
996.5
|
1006.5
|
Silt-clay
|
1.1
|
2.4
|
0.7
|
295
|
299
|
81
|
0.31
|
0.32
|
0.49
|
|
73-SMW
|
1046.5
|
1056.5
|
Clayey silt with some fine sand
|
0.4
|
0.8
|
1.3
|
293
|
83
|
138
|
0.36
|
0.15
|
0.77
|
|
81-SMW
|
1096.5
|
1106.5
|
Clayey silt with fine sand
|
1.3
|
1.7
|
0.7
|
288
|
214
|
85
|
0.42
|
0.28
|
0.53
|
|
98-SMW
|
1256.5
|
1266.5
|
Clayey silt with some fine sand
|
0.1
|
0.4
|
0.7
|
331
|
60
|
107
|
0.12
|
0.07
|
0.60
|
* = minimum value of this parameter is 300°C. HC = hydrocarbon, TOC = total organic carbon, HI = hydrogen index, OI = oxygen index, PI = production index, PC = pyrolyzable carbon, RC = residual organic carbon.
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