Alvarez, Walter; Smit, Jan; Lowrie, William; Asaro, Frank; Margolis, Stanley V; Claeys, Philippe; Kastner, Miriam; Hildebrand, Alan R (1992): (Supplement) Iridium contents in sediments at DSDP Site 77-536 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.712632, In supplement to: Alvarez, W et al. (1992): Proximal impact deposits at the Cretaceous-Tertiary boundary in the Gulf of Mexico: A restudy of DSDP Leg 77 Sites 536 and 540. Geology, 20(8), 697-700, https://doi.org/10.1130/0091-7613(1992)020%3C0697:PIDATC%3E2.3.CO;2
Always quote citation above when using data! You can download the citation in several formats below.
Other version:
Details of K-T event beds; Table 2: Iridium analyses from DSDP 536 and 540 [dataset]. ftp://rock.geosociety.org/pub/reposit/1992/9225.pdf
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 23.489800 * Longitude: -85.209700
Date/Time Start: 1981-01-09T00:00:00 * Date/Time End: 1981-01-09T00:00:00
Minimum DEPTH, sediment/rock: 76.595 m * Maximum DEPTH, sediment/rock: 78.495 m
Event(s):
77-536 * Latitude: 23.489800 * Longitude: -85.209700 * Date/Time: 1981-01-09T00:00:00 * Elevation: -2790.0 m * Penetration: 213 m * Recovery: 65.3 m * Location: Gulf of Mexico/SLOPE * Campaign: Leg77 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 23 cores; 213 m cored; 0 m drilled; 30.7 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | Depth, top/min | Depth top | m | Alvarez, Walter | ||
| 3 | Depth, bottom/max | Depth bot | m | Alvarez, Walter | ||
| 4 | Sample code/label | Sample label | Alvarez, Walter | DSDP/ODP/IODP sample designation | ||
| 5 | Iridium | Ir | ng/kg | Alvarez, Walter | Element analysis, neutron activation (NAA) | |
| 6 | Iridium | Ir | ng/kg | Alvarez, Walter | Calculated | error, +/-1 sigma |
| 7 | Lithologic unit/sequence | Unit | Alvarez, Walter |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
102 data points
Data
| 1 Depth sed [m] | 2 Depth top [m] | 3 Depth bot [m] | 4 Sample label (DSDP/ODP/IODP sample designation) | 5 Ir [ng/kg] (Element analysis, neutron act...) | 6 Ir [ng/kg] (error, +/-1 sigma, Calculated) | 7 Unit |
|---|---|---|---|---|---|---|
| 76.595 | 76.59 | 76.60 | 77-536-9-5,9-10 | 29000 | 4000 | 5 |
| 76.835 | 76.83 | 76.84 | 77-536-9-5,33-34 | 33000 | 5000 | 5 |
| 76.965 | 76.96 | 76.97 | 77-536-9-5,46-47 | 25000 | 7000 | 5 |
| 77.085 | 77.08 | 77.09 | 77-536-9-5,58-59 | 95000 | 13000 | 5 |
| 77.145 | 77.14 | 77.15 | 77-536-9-5,64-65 | 107000 | 13000 | 5 |
| 77.195 | 77.19 | 77.20 | 77-536-9-5,69-70 | 190000 | 14000 | 5 |
| 77.245 | 77.24 | 77.25 | 77-536-9-5,74-75 | 187000 | 14000 | 4 or 5 |
| 77.295 | 77.29 | 77.30 | 77-536-9-5,79-80 | 427000 | 15000 | 4 |
| 77.385 | 77.38 | 77.39 | 77-536-9-5,88-89 | 650000 | 15000 | 4 |
| 77.495 | 77.49 | 77.50 | 77-536-9-5,99-100 | 300000 | 10000 | 4 |
| 77.595 | 77.59 | 77.60 | 77-536-9-5,109-110 | 325000 | 13000 | 4 |
| 77.765 | 77.76 | 77.77 | 77-536-9-5,126-127 | 240000 | 11000 | 3 |
| 78.025 | 78.01 | 78.04 | 77-536-9-6,1-4 | 67000 | 13000 | 3 |
| 78.130 | 78.12 | 78.14 | 77-536-9-6,12-14 | 52000 | 14000 | 3 |
| 78.240 | 78.23 | 78.25 | 77-536-9-6,23-25 | 73000 | 14000 | 3 |
| 78.405 | 78.40 | 78.41 | 77-536-9-CC,1-2 | 102000 | 10000 | 3 |
| 78.495 | 78.49 | 78.50 | 77-536-9-CC,10-11 | 108000 | 14000 | 3 |