Table T7. X-ray diffraction analysis of random bulk powders, DSDP Site 297.
Core, section,
interval (cm)
Depth
(mbsf)
Peak area (total counts)
Relative abundance (wt%)
Total clay
Quartz
Plagioclase
Calcite
Total clay
Quartz
Plagioclase
Calcite
31-297-                
15-2, 113 336.13 4,211 15,564 5,233 0 74 14 12 0
15-4, 85 338.85 4,131 18,129 4,401 0 73 17 10 0
16-2, 59 354.59 1,460 51,396 11,897 183 28 48 23 Trace
16-2, 130 355.30 1,684 36,802 333 0 43 57 1 0
16-3, 90 356.30 925 54,087 11,503 0 21 55 24 0
17-2, 9 392.09 1,426 45,438 17,522 94 29 39 32 Trace
17-2, 114 393.14 1,790 31,315 10,713 0 40 34 25 0
17-3, 10 393.60 1,334 55,437 22,264 0 25 40 34 0
17-3, 56 394.06 2,329 41,155 12,006 0 41 36 23 0
17-3, 118 394.68 665 55,708 12,789 0 17 57 26 0
18-1, 72 429.22 1,157 37,237 13,302 0 29 40 31 0
18-2, 88 430.88 3,035 21,615 5,043 0 63 24 13 0
18-2, 115 431.15 3,235 21,645 4,434 406 65 24 11 Trace
18-2, 133 431.33 1,199 36,181 12,033 0 30 41 29 0
19-1, 142 467.92 3,164 21,449 5,485 0 64 23 13 0
20-1, 121 505.71 2,608 10,551 3,991 0 72 15 13 0
20-2, 83 506.83 8,740 3,706 7,609 251 89 0 10 Trace
20-2, 90 506.90 8,416 5,376 3,292 0 93 2 5 0
20-2, 112 507.12 3,481 22,341 6,624 0 64 22 15 0
20-2, 119 507.19 3,088 31,029 12,194 0 52 26 23 0
20-3, 4 507.54 5,376 13,772 7,235 994 77 10 13 Trace
20-3, 14 507.64 4,493 14,541 6,064 205 75 12 13 Trace
20-3, 81 508.31 4,491 13,906 4,396 0 78 12 10 0
20-4, 123 510.23 4,342 15,564 4,348 0 76 14 10 0
21-3, 4 526.54 4,554 15,370 4,800 48 77 13 10 Trace
21-3, 36 526.86 3,936 15,477 4,572 0 74 15 11 0
21-3, 112 527.62 4,388 15,746 4,193 0 76 14 9 0
21-3, 125 527.75 4,716 13,635 4,441 0 79 12 10 0
21-3, 129 527.79 5,014 15,368 5,266 0 78 12 10 0
22-2, 67 554.17 2,148 20,634 9,895 0 51 24 25 0
22-2, 110 554.60 2,199 30,275 12,921 0 44 29 27 0
22-3, 79 555.79 3,952 18,647 4,968 0 71 18 11 0
22-4, 49 556.99 2,420 26,059 9,709 0 50 27 22 0
23-3, 76 593.76 5,524 13,629 4,808 0 81 10 9 0
23-3, 100 594.00 3,902 14,281 5,067 0 74 14 12 0
23-4, 0 594.50 4,914 17,930 6,588 0 74 14 12 0
23-4, 43 594.93 4,213 28,729 16,117 189 57 19 24 Trace
24-2, 81 620.81 3,283 13,821 3,865 460 73 16 11 Trace
24-3, 18 621.68 2,427 15,056 5,598 246 63 20 17 Trace
24-3, 86 622.36 3,924 12,475 5,431 0 75 12 13 0
25-2, 109 649.59 2,001 16,103 6,282 0 57 23 20 0
25-3, 64 650.64 1,176 3,168 2,006 0 75 10 16 0
25-3, 121 651.21 1,994 5,717 2,117 0 78 11 11 0
25-6, 66 655.16 1,388 5,138 2,441 0 72 13 15 0
26-1, 27 666.27 4,875 9,815 5,765 271 81 7 12 Trace
26-1, 45 666.45 2,682 26,352 8,214 0 54 27 19 0
26-1, 109 667.09 5,214 10,622 7,157 0 79 7 14 0
26-2, 51 668.01 1,960 1,520 1,552 0 89 2 9 0
26-2, 61 668.11 2,148 1,735 2,401 0 86 2 12 0
26-2, 105 668.55 6,372 5,090 6,331 236 87 2 11 Trace
26-2, 130 668.80 3,922 14,038 4,565 0 75 14 11 0
27-1, 20 675.70 4,295 22,605 7,116 0 68 19 14 0
27-1, 51 676.01 4,877 8,859 2,991 0 86 7 7 0
27-1, 61 676.11 3,559 19,202 4,530 29 69 20 11 Trace