Table 23. Carbon-oxygen elemental ratios as measured with the GLT in Hole 995B. Depth (mbsf) Well-log depth (mbrf) Carbon/oxygen ratio 221.0 3007.0 0.022 225.9 3011.9 0.025 234.9 3020.9 0.037 238.9 3024.9 0.021 339.0 3125.0 0.022 349.0 3135.0 0.031 414.0 3200.0 0.036 438.9 3224.9 0.037 449.0 3235.0 0.042 454.0 3240.0 0.043 463.9 3249.9 0.020 488.9 3274.9 0.033 513.9 3299.9 0.031 524.0 3310.0 0.036 534.1 3320.1 0.022 593.9 3379.9 0.038 599.1 3385.1 0.025 604.1 3390.1 0.040 614.1 3400.1 0.029