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Sample P-20
NavDat sample number 29240
Sample
| Sample ID | P-20 |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 34.7416 |
|---|
| Longitude | -116.37 |
|---|
| Location | Pisgah Crater |
|---|
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 0.0375 |
|
0.025 |
0.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 46.9 | | WT% | XRF |
| TIO2 | 2.44 | | WT% | XRF |
| AL2O3 | 15.4 | | WT% | XRF |
| FE2O3 | 9.97 | | WT% | XRF |
| MGO | 7.89 | | WT% | AAS |
| CAO | 9.38 | | WT% | XRF |
| NA2O | 3.91 | | WT% | AAS |
| K2O | 1.85 | | WT% | XRF |
| P2O5 | 0.73 | | WT% | XRF |
| LOI | 0.24 | | WT% | GRAV |
| RB | 34 | | PPM | XRF |
| SR | 643 | | PPM | XRF |
| ZR | 238 | | PPM | XRF |
| NI | 135 | | PPM | XRF |
| V | 244 | | PPM | XRF |
| CR | 193 | | 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.