Morgan, Joanna; Lana, Cristiano; Kearsley, Anton; Coles, Barry; Belcher, Claire; Montanari, Sandro; Díaz-Martínez, Enrique; Barbosa, Antonio; Neumann, Virginio (2006): (Table 2) Optical analyses on mineral separtes from land-based sites [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.723770, In supplement to: Morgan, J et al. (2006): Analyses of shocked quartz at the global K-P boundary indicate an origin from a single, high-angle, oblique impact at Chicxulub. Earth and Planetary Science Letters, 251(3-4), 264-279, https://doi.org/10.1016/j.epsl.2006.09.009
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Coverage:
Median Latitude: 26.348525 * Median Longitude: -7.769836 * South-bound Latitude: -40.980000 * West-bound Longitude: -118.980000 * North-bound Latitude: 55.190000 * East-bound Longitude: 144.630000
Event(s):
Comment:
The mean size is calculated using all identified shocked quartz grains, except for North American samples for which 100 grains were used to calculate the mean. Shocked quartz numbers estimated for fireball layer samples
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Area/locality | Area | Morgan, Joanna | |||
| 3 | LATITUDE | Latitude | Geocode | |||
| 4 | LONGITUDE | Longitude | Geocode | |||
| 5 | Sample code/label | Sample label | Morgan, Joanna | Location and date of analysis | ||
| 6 | Size | Size | µm | Morgan, Joanna | Mineral separated | |
| 7 | Sample mass | Samp m | g | Morgan, Joanna | ||
| 8 | Quartz | Qz | Morgan, Joanna | Estimated | Number estimated | |
| 9 | Quartz, shocked | Qz shocked | # | Morgan, Joanna | Counting | shocked, counted |
| 10 | Quartz, shocked maximum size | Qz shocked max | µm | Morgan, Joanna | Calculated | max |
| 11 | Quartz, shocked average size | Qz shocked max | µm | Morgan, Joanna | Calculated | average |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
488 data points