Sample CAL4
NavDat sample number 54544 · VITROPHERE
Sample
| Sample ID | CAL4 |
|---|---|
| Rock name | VITROPHERE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Calaveras County, California [NW 1/4, NW1/4, NE1/4, SE 1/4, Sec. 11, T5N, R13E]. 50 m east of Railroad Flat Road, just north of a small lake. Basal vitrophyre. |
Location
| Latitude | 38.3088 |
|---|---|
| Longitude | -120.514 |
| State / province | California |
| Location comment | Nine Hill Tuff |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 19.91 | 19.21 | 20.61 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.05 | WT% | XRF | |
| TIO2 | 0.18 | WT% | XRF | |
| AL2O3 | 14.1 | WT% | XRF | |
| FEO | 1.93 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | -0.38 | WT% | XRF | |
| CAO | 0.47 | WT% | XRF | |
| NA2O | 1.55 | WT% | XRF | |
| K2O | 5.86 | WT% | XRF | |
| P2O5 | -0.08 | WT% | XRF | |
| S | 184 | PPM | XRF | |
| CL | 667 | PPM | XRF | |
| ZN | 107 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| RB | 193 | PPM | XRF | |
| SR | 20 | PPM | XRF | |
| Y | 43 | PPM | XRF | |
| ZR | 360 | PPM | XRF | |
| NB | 30 | PPM | XRF | |
| CS | 5 | PPM | XRF | |
| BA | 114 | PPM | XRF | |
| PB | 51 | PPM | XRF | |
| TH | 33 | PPM | XRF | |
| LA | 63 | PPM | XRF | |
| CE | 135 | PPM | XRF | |
| PR | 23 | PPM | XRF | |
| ND | 44 | PPM | XRF | |
| SM | 15 | PPM | XRF |