Hein, James R; Sancetta, Constance A; Morgenson, Lisa A (1983): (Table 2) Quartz/(Opal-CT x 8) ratios, quartz crystallinity, opal-CT d-spacings, and opal-CT crystallite sizes across a single calcareous porcellanite chert bed at DSDP Hole 69-504A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.816320, In supplement to: Hein, JR et al. (1983): Petrology and geochemistry of silicified upper Miocene chalk, Costa Rica Rift, Deep Sea Drilling Project Leg 69. In: Cann, JR; Langseth, MG; Honnorez, J; Von Herzen, RP; White, SM; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 69, 395-422, https://doi.org/10.2973/dsdp.proc.69.116.1983
Always quote citation above when using data! You can download the citation in several formats below.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 1.226800 * Longitude: -83.732500
Date/Time Start: 1979-09-24T00:00:00 * Date/Time End: 1979-09-24T00:00:00
Minimum Elevation: -3458.0 m * Maximum Elevation: -3458.0 m
Event(s):
69-504A * Latitude: 1.226800 * Longitude: -83.732500 * Date/Time: 1979-09-24T00:00:00 * Elevation: -3458.0 m * Penetration: 277 m * Recovery: 207 m * Campaign: Leg69 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Hein, James R | DSDP/ODP/IODP sample designation | ||
| 2 | Identification | ID | Hein, James R | |||
| 3 | Description | Description | Hein, James R | |||
| 4 | Ratio | Ratio | Hein, James R | Calculated, see reference(s) | Quartz/(Opal-CT x 8) ratio | |
| 5 | - | - | Hein, James R | see reference(s) | Quartz, crystallinity | |
| 6 | d-spacing | d | Å | Hein, James R | see reference(s) | Opal-CT |
| 7 | - | - | Hein, James R | see reference(s) | Opal-CT crystallite size, unit is Å |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
40 data points
Data
| 1 Sample label (DSDP/ODP/IODP sample designation) | 2 ID | 3 Description | 4 Ratio (Quartz/(Opal-CT x 8) ratio, C...) | 5 - (Quartz, crystallinity, see re...) | 6 d [Å] (Opal-CT, see reference(s)) | 7 - (Opal-CT crystallite size, uni...) |
|---|---|---|---|---|---|---|
| 69-504A-5-1,70-72 | #1 | Upper, partly silicified chalk rim | 0.05 | <1 | 4.093 | 74 |
| 69-504A-5-1,70-72 | #2 | Upper, partly silicified chalk rim about 6mm wide, below #1 | 0.04 | <1 | 4.097 | 86 |
| 69-504A-5-1,70-72 | #3 | Calcareous Porcellanite about 5mm wide, below #2 | 0.10 | <1 | 4.101 | 84 |
| 69-504A-5-1,70-72 | #4 | Calcareous Porcellanite about 3mm wide, below #3 | 0.21 | <1 | 4.103 | 94 |
| 69-504A-5-1,70-72 | #5 | Partly silicified chalk rim about 2mm wide, below #4 | 0.00 | 4.101 | 86 | |
| 69-504A-5-1,70-72 | #6 | Partly silicified chalk rim about 4mm wide, below #5 | 0.00 | 4.090 | 92 |