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Sample A-161A
NavDat sample number 58080 · BASALT
Sample
| Sample ID | A-161A |
|---|
| Rock name | BASALT |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | MAFIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 30.2833 |
|---|
| Longitude | -110.267 |
|---|
| Location | Arizpe conglomerate. |
|---|
| State / province | Sonora |
|---|
| Country | Mexico |
|---|
| Location comment | Arizpe-Bacanuchi |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 22.6 |
|
21.5 |
23.69 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 55.02 | | WT% | XRF |
| AL2O3 | 16.26 | | WT% | XRF |
| FE2O3 | 3.17 | | WT% | XRF |
| FEO | 5.08 | | WT% | XRF |
| MGO | 3.96 | | WT% | XRF |
| CAO | 6.53 | | WT% | XRF |
| NA2O | 3.3 | | WT% | XRF |
| K2O | 2.39 | | WT% | XRF |
| TIO2 | 1.52 | | WT% | XRF |
| P2O5 | 0.57 | | WT% | XRF |
| MNO | 0.13 | | WT% | XRF |
| LOI | 0.92 | | WT% | XRF |
| BA | 1075 | | PPM | XRF |
| RB | 82 | | PPM | XRF |
| SR | 610 | | PPM | XRF |
| Y | 29 | | PPM | XRF |
| NB | 11 | | PPM | XRF |
| ZR | 218 | | PPM | XRF |
References
- Gonzalez Leon, Carlos M; McIntosh, William C; Lozano-Santa Cruz,Rufino; Valencia-Moreno, Martin; Amaya-Martinez, Ricardo; Rodriguez-Castaneda, Jose Luis (2000) Cretaceous and Tertiary sedimentary, magmatic, and tectonic evolutionof north-central Sonora (Arizpe and Bacanuchi quadrangles), NorthwestMexico. Geological Society of America Bulletin, vol.112, no.4, pp.600-610, Apr2000 doi:10.1130/0016-7606(2000)112<600:CATSMA>2.0.CO;2