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Sample A-21
NavDat sample number 29220
Sample
| Sample ID | A-21 |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 34.5453 |
|---|
| Longitude | -115.791 |
|---|
| 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 | 47.6 | | WT% | XRF |
| TIO2 | 2.51 | | WT% | XRF |
| AL2O3 | 15.2 | | WT% | XRF |
| FE2O3 | 10.19 | | WT% | XRF |
| MGO | 7.83 | | WT% | AAS |
| CAO | 9.02 | | WT% | XRF |
| NA2O | 3.77 | | WT% | AAS |
| K2O | 2.02 | | WT% | XRF |
| P2O5 | 0.6 | | WT% | XRF |
| LOI | 0.52 | | WT% | GRAV |
| RB | 31 | | PPM | XRF |
| SR | 641 | | PPM | XRF |
| ZR | 252 | | PPM | XRF |
| NI | 147 | | PPM | XRF |
| V | 231 | | PPM | XRF |
| CR | 221 | | 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.
