|
Core, section,
interval (cm) |
Field description
(hand specimen) |
XRD results
|
Classification (based on
XRD and field description) |
||
|---|---|---|---|---|---|
|
Quartz
|
Opal-CT
|
Carbonate
|
|||
|
198-1207B- |
|||||
| 46R-1, 77–79 | Limestone | A | M | A | Calcareous chert |
| 46R-1, 141–144 | Chert | A | M | — | Chert |
| 47R-2, 39–42 | Chert | A | M | — | Chert |
| 47R-2, 75–79 | Limestone | M | M | A | Limestone |
|
198-1213A- |
|||||
| 7R-CC, 0–3 | Chert | A | M | — | Chert |
| 12R-1, 22–27 | Porcellanite | M | A | A | Calcareous porcellanite |
| 21R-1, 36–40 | Chert | A | M | — | Chert |
|
198-1213B- |
|||||
| 1R-1, 57–59 (1) | Chert | A | M | — | Chert |
| 1R-1, 57–59 (2) | Chert | A | M | — | Chert |
| 3R-1, 41–43 | Chert | A | M | — | Chert |
| 3R-1, 73–75 | Chert | A | M | — | Chert |
| 4R-1, 34–36 | Porcellanite | A | C | M | Porcellanitic chert |
| 4R-1, 106–108 | Chert | A | M | — | Chert |
| 7R-1, 59–61 | Chert | A | M | — | Chert |
| 7R-1, 97–99 | Porcellanite | A | C | C | Porcellanitic chert |
| 9R-1, 59–61 | Chert | A | M | — | Chert |
| 9R-1, 124–127 | Chert | A | M | — | Chert |
| 10R-1, 8–10 | Limestone | — | — | A | Limestone |
| 19R-1, 59–63 | Chert | A | — | — | Chert |
| 19R-1, 96–99 | Chert | A | M | — | Chert |
| 19R-1, 103–105 | Limestone | A | M | A | Siliceous limestone |
| 22R-1, 120–125 | Chert | A | M | — | Chert |
| 25R-1, 22–26 | Limestone | — | — | A | Limestone |
| 25R-1, 70–76 (1) | Chert | A | M | — | Chert |
| 25R-1, 70–76 (2) | Chert | A | M | — | Chert |
| 26R-1, 53–55 | Chert | A | M | — | Chert |
| 26R-1, 66–70 | Chert | A | M | — | Chert |
| 27R-1, 78–82 | Chert | A | M | — | Chert |
Notes: XRD = X-ray diffraction. A = abundant, C = common, M = minor. — = not present.