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Table T3. Illite/smectite expandability values, illite abundance in illite/smectite (I/S) mixed-layer clay, and illite crystallinity index (<2 µm size fraction) for cuttings samples (1–4 mm), Hole C0002N.

Cuttings
interval (N) 		Depth
(mbsf) 		Smectite (001)
saddle (cps) 		Smectite (001)
peak (cps) 		Saddle:
peak ratio 		Expandability
(%) 		Illite (002) +
smectite (003)
(°2θ) 		Illite in I/S
(%) 		Illite crystallinity
index (Δ°2θ)
348-C0002N-
Unit IV
65 1175.5 208 317 0.66 64 16.10 37 0.53
69 1195.5 210 311 0.68 63 16.15 41 0.47
73 1215.5 213 333 0.64 65 16.17 42 0.57
83 1235.5 184 275 0.67 64 15.98 28 0.39
87 1255.5 172 299 0.58 67 16.09 36 0.48
91 1275.5 210 353 0.59 67 16.13 39 0.48
95 1295.5 182 297 0.61 66 16.29 49 0.43
99 1315.5 179 276 0.65 64 16.03 32 0.56
105 1335.5 166 251 0.66 64 15.95 25 0.44
109 1355.5 169 253 0.67 64 16.15 41 0.46
113 1375.5 176 299 0.59 67 16.18 43 0.62
117 1395.5 203 368 0.55 69 16.03 32 0.47
121 1415.5 262 449 0.58 67 15.93 24 0.48
125 1425.5 208 351 0.59 67 15.97 27 0.43
130 1455.5 271 441 0.61 66 15.95 25 0.54
134 1475.5 278 452 0.62 66 15.85 16 0.51
138 1495.5 114 173 0.66 64 16.11 38 0.35
142 1515.5 104 154 0.68 63 16.01 30 0.29
148 1535.5 72 112 0.64 65 16.09 36 0.26
152 1555.5 100 159 0.63 65 16.06 34 0.29
156 1575.5 72 114 0.63 65 15.82 13 0.27
160 1595.5 86 122 0.70 62 16.08 36 0.34
164 1615.5 94 131 0.72 62 —   0.32
169 1635.5 93 163 0.57 68 16.23 46 0.30
173 1655.5 67 100 0.67 64 16.03 32 0.34
Unit V
177 1677.5 99 156 0.63 65 —   0.31
184 1695.5 84 120 0.70 62 16.13 39 0.30
188 1515.5 60 98 0.61 66 16.04 33 0.27
192 1735.5 99 143 0.69 63 16.09 36 0.33
197 1755.5 122 191 0.64 65 16.11 38 0.34
201 1775.5 118 171 0.69 63 16.12 39 0.38
205 1795.5 116 189 0.61 66 15.96 26 0.31
209 1815.5 99 154 0.64 65 16.06 34 0.27
213 1835.5 101 151 0.67 64 16.08 36 0.35
218 1855.5 83 126 0.66 64 16.18 43 0.26
222 1875.5 75 112 0.67 64 16.09 36 0.29
226 1895.5 89 134 0.66 64 16.24 46 0.36
230 1915.5 106 144 0.74 61 16.17 42 0.29
234 1935.5 82 116 0.71 62 16.26 47 0.43
239 1955.5 23 45 0.51 70 16.18 43 0.25
243 1975.5 108 158 0.68 63 —   0.33
250 1995.5 118 179 0.66 64 16.23 46 0.28
252 2005.5 111 172 0.65 65 16.17 42 0.33
259 2015.5 87 144 0.60 66 16.37 53 0.30
261 2025.5 111 177 0.63 65 —   0.29
264 2035.5 112 176 0.64 65 16.06 34 0.35
266 2045.5 87 151 0.58 67 16.18 43 0.30
268 2055.5 120 183 0.66 64 16.17 42 0.35
270 2065.5 76 117 0.65 64 15.95 25 0.30
272 2075.5 111 174 0.64 65 16.07 35 0.28
274 2085.5 73 106 0.69 63 16.09 36 0.29
276 2095.5 84 119 0.71 62 16.10 37 0.28
278 2105.5 99 152 0.65 64 15.96 26 0.27
281 2115.5 32 63 0.51 71 16.04 33 0.31
283 2125.5 66 91 0.73 61 16.14 40 0.23
285 2135.5 95 140 0.68 63 16.07 35 0.31
287 2145.5 118 180 0.66 64 15.97 27 0.38
289 2155.5 157 224 0.70 62 16.19 43 0.42
291 2165.5 103 159 0.65 64 15.89 20 0.30
296 2175.5 97 140 0.69 63 16.14 40 0.31
298 2185.5 106 158 0.67 64 15.98 28 0.34
300 2195.5 129 210 0.61 66 16.00 30 0.44
302 2205.5 75 126 0.60 67 15.96 26 0.34
304 2215.5 95 153 0.62 66 15.96 26 0.36
306 2225.5 65 94 0.69 63 16.08 36 0.30
308 2235.5 99 147 0.67 63 16.03 32 0.29
310 2245.5 69 108 0.64 65 16.01 30 0.39
312 2255.5 137 183 0.75 60 16.16 41 0.41
314 2265.5 103 141 0.73 61 15.92 23 0.35
316 2275.5 83 119 0.70 62 16.21 45 0.34
318 2285.5 66 93 0.71 62 16.05 34 0.29
321 2295.5 64 93 0.69 63 16.05 34 0.30
323 2305.5 89 122 0.73 61 16.08 36 0.30
Mean: 64.3835616438   35.0 0.36
Standard deviation: 2.0991409419   7.9 0.09

cps = counts per step, — = peak intensity too low to resolve position of center.

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