Table T1. Mean opal concentrations and distance to the mean of OLin and OPer selected samples.

OLin depth
(mbsf)
OLin opal
(wt%)
OPer depth
(mbsf)
OPer opal
(wt%)
Mean Distance to mean
(wt%)
Distance to mean
(%)
121.86 9.87 121.90 3.06 6.46 3.40 52.6
130.29 9.60 130.32 3.97 6.78 2.81 41.5
138.40 13.7 138.40 5.29 9.48 4.19 44.2
228.24 17.7 228.28 8.28 13.0 4.74 36.4
132.28 18.1 132.30 11.2 14.6 3.44 23.6
140.38 19.0 140.41 13.0 16.0 3.02 18.9
226.30 22.1 226.28 12.0 17.0 5.02 29.5
167.26 20.9 167.30 15.2 18.0 2.86 15.9
189.48 23.9 189.50 20.5 22.2 1.72 7.73
242.88 28.0 242.91 25.4 26.7 1.33 4.96
187.50 32.5 187.52 28.9 30.7 1.82 5.92
205.96 35.1 206.00 31.7 33.4 1.67 4.99
238.86 41.8 238.90 34.4 38.1 3.75 9.84

Note: OLin = modified from Mortlock and Froelich (1989), OPer = Müller and Schneider (1993).