Table T4. Results of X-ray diffraction analysis of bulk-powder volcanic ash samples, Site 1174.

Core, section,
interval (cm)		 Depth (mbsf) X-ray diffraction peak intensity (cps)   X-ray diffraction peak area (total counts)
Smectite
Illite
Chlorite
Clinoptilolite
Hornblende
Cristobalite
Quartz
Plagioclase
Calcite
Pyroxene
Halite
Pyrite
Smectite
Illite
Chlorite
Clinoptilolite
Hornblende
Cristobalite
Quartz
Plagioclase
Calcite
Pyroxene
Halite
Pyrite
190-1174A-

























1H-3, 33-35 3.35 0 0 0 0 0 0 154 181 24 0 260 0
0 0 0 0 0 0 2,298 2,866 601 0 3,482 0
190-1174B-

























34R-2, 34-36 459.76 111 0 28 0 60 109 608 558 39 0 38 32
12,744 0 618 0 887 1,755 8,363 13,454 924 0 921 324
37R-2, 131-137 488.55 34 0 0 0 0 60 375 108 0 0 71 0
3,045 0 0 0 0 1,172 4,997 3,699 0 0 1,060 0
39R-4, 39-43 509.83 27 27 28 0 0 50 335 100 748 0 87 0
1,109 527 659 0 0 980 5,219 3,046 14,584 0 1,967 0
43R-4, 84-85 548.95 261 0 0 0 0 76 229 146 0 0 0 0
26,660 0 0 0 0 1,826 3,246 5,933 0 0 0 0
52R-3, 118-119 634.29 154 0 0 50 0 0 72 148 0 0 0 0
17,101 0 0 682 0 0 1,483 8,925 0 0 0 0
54R-4, 21-22 654.12 41 14 0 49 0 0 76 139 0 0 0 26
4,290 215 0 897 0 0 2,240 7,893 0 0 0 553
54R-7, 27-28 658.68 85 0 0 136 0 0 78 191 0 0 0 0
12,058 0 0 2,760 0 0 1,706 6,796 0 0 0 0
55R-2, 4-5 660.55 68 0 0 76 0 0 72 964 0 0 53 0
7,239 0 0 1,376 0 0 1,071 15,972 0 0 1,082 0
55R-2, 39-40 660.90 123 24 22 138 0 0 451 182 650 0 73 0
13,131 321 336 2,001 0 0 6,621 7,532 11,009 0 1,061 0
58R-2, 129-131 690.81 74 31 32 0 0 75 1,202 239 85 0 0 0
9,200 1,130 677 0 0 1,267 16,481 9,169 1,912 0 0 0
60R-5, 57-59 713.79 120 34 44 0 0 88 752 1,918 115 0 0 221
10,783 770 961 0 0 1,586 9,548 26,022 2,142 0 0 2,798
66R-2, 92-93 767.03 67 0 0 0 0 204 125 367 0 0 0 0
5,939 0 0 0 0 3,850 2,970 13,444 0 0 0 0
67R-6, 129-131 781.75 201 0 0 0 0 0 173 779 61 0 0 38
20,075 0 0 0 0 0 3,543 15,278 1,826 0 0 611
84R-5, 77-78 944.28 318 0 0 0 0 0 123 0 0 0 0 0
33,597 0 0 0 0 0 2,219 0 0 0 0 0
89R-3, 130-131 989.61 88 12 34 0 0 143 191 652 50 119 63 80
8,728 260 793 0 0 2,892 3,548 19,797 914 3,534 1,246 1,397