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Sample A-31
NavDat sample number 29227
Sample
| Sample ID | A-31 |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 34.5553 |
|---|
| Longitude | -115.782 |
|---|
| Location | Amboy Crater |
|---|
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 0.1 |
|
0.05 |
0.15 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 50.4 | | WT% | XRF |
| TIO2 | 2.33 | | WT% | XRF |
| AL2O3 | 16.6 | | WT% | XRF |
| FE2O3 | 9.43 | | WT% | XRF |
| MGO | 5.15 | | WT% | AAS |
| CAO | 9.59 | | WT% | XRF |
| NA2O | 3.76 | | WT% | AAS |
| K2O | 1.61 | | WT% | XRF |
| P2O5 | 0.5 | | WT% | XRF |
| LOI | 0.77 | | WT% | GRAV |
| RB | 29 | | PPM | XRF |
| SR | 604 | | PPM | XRF |
| ZR | 233 | | PPM | XRF |
| NI | 55 | | PPM | XRF |
| V | 222 | | PPM | XRF |
| CR | 162 | | PPM | XRF |
References
- Farmer, G Lang; Glazner, Allen F; Hughes, William T; Wooden, Joseph L; Pickthorn, William J (1990) Mixing of basaltic magma with mafic crust at Amboy and Pisgah craters, Mojave Desert, California. Eos, Transactions, American Geophysical Union. 71; 43, Pages 1682. 1990.