Ojo, Oyewande; Thomson, Stuart N; Laó-Dávila, Daniel A (2021): Fission-track age determination of the Southern Malawi Rift from rock sample IE0500006 (LM 13 AFT Age SNT) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.937994, In: Ojo, O et al. (2021): Thermotectonic history of rift-bounding faults using apatite fission track data from the Southern Malawi Rift [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.938031
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Published: 2021-11-10 • DOI registered: 2022-05-09
Keyword(s):
Related to:
Ojo, Oyewande; Thomson, Stuart N; Laó-Dávila, Daniel A (2024): Neogene–Quaternary initiation of the Southern Malawi Rift and linkage to the reactivated Carboniferous–Jurassic Shire Rift. Tectonophysics, 877, 230270, https://doi.org/10.1016/j.tecto.2024.230270
Coverage:
Latitude: -14.468717 * Longitude: 35.141800
Event(s):
Comment:
Sample Number: LM 13
Position (#): 18
Area of Graticule Square: 6.400E-07
No. of Crystals: 20
Zeta Factor ±Error: 305.8 ±8.4
Rho d (% Relative Error): 1.553+06
N d: 4969
Mineral: Apatite
Glass (U ppm): 15
Irradiation: UA-A39
Analyst: Oyewande Ojo
Locality: Malawi
Rock Type: Gneiss
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Fission-tracks, spontaneous | N s | # | Ojo, Oyewande | Fission-track | |
| 2 | Fission-tracks, induced | N i | # | Ojo, Oyewande | Fission-track | |
| 3 | Number of squares | N square | # | Ojo, Oyewande | Fission-track | Number of squares of the microscope grid in which tracks were counted |
| 4 | Diameter | Ø | µm | Ojo, Oyewande | Fission-track | Dpar - mean etch pit diameter parallel to the c-axis for each grain |
| 5 | Diameter | Ø | µm | Ojo, Oyewande | Fission-track | Dpar - mean etch pit diameter perpendicular to the c-axis for each grain |
| 6 | Fission-tracks, spontaneous, density | p s | 106 #/cm2 | Ojo, Oyewande | Fission-track | |
| 7 | Fission-tracks, induced, density | p i | 106 #/cm2 | Ojo, Oyewande | Fission-track | |
| 8 | Ratio | Ratio | Ojo, Oyewande | Calculated | p s/p i | |
| 9 | Uranium | U | mg/kg | Ojo, Oyewande | Fission-track | Derived from the ratio between N s/N i |
| 10 | Age, mineral | Age mineral | Ma | Ojo, Oyewande | Age, fission-track | Single grain age |
| 11 | Age, standard error | Age std e | ± | Ojo, Oyewande | Age, fission-track | 1 σ |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
220 data points