Table T5. Results of X-ray diffraction analysis of bulk-powder volcanic ash samples, Hole 1177A.
| Core,
section, interval (cm) |
Depth (mbsf) | X-ray diffraction peak intensity (cps) | X-ray diffraction peak area (total counts) | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Smectite
|
Mica
|
Chlorite
|
Clinoptilolite
|
Hornblende
|
Cristobalite
|
Quartz
|
Plagioclase
|
Calcite
|
Pyroxene
|
Halite
|
Pyrite
|
Smectite
|
Mica
|
Chlorite
|
Clinoptilolite
|
Hornblende
|
Cristobalite
|
Quartz
|
Plagioclase
|
Calcite
|
Pyroxene
|
Halite
|
Pyrite
|
|||
| 190-1177A- | ||||||||||||||||||||||||||
| 50R-1, 38-39 | 771.38 | 36 | 0 | 0 | 0 | 0 | 91 | 113 | 221 | 12 | 36 | 50 | 0 | 2354 | 0 | 0 | 0 | 0 | 1443 | 1627 | 4485 | 143 | 629 | 797 | 0 | |
| 51R-1, 18-19 | 780.78 | 29 | 76 | 0 | 0 | 0 | 25 | 373 | 77 | 20 | 0 | 88 | 0 | 1909 | 1114 | 0 | 0 | 0 | 286 | 4397 | 2123 | 168 | 0 | 1113 | 0 | |