Sample NV31
NavDat sample number 34008 · TRACHYTE
Sample
| Sample ID | NV31 |
|---|---|
| Alternate ID | 21 |
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Same as sample NV31 of Weigand and Thomas 1990 |
Location
| Latitude | 34.75 |
|---|---|
| Longitude | -118.55 |
| State / province | California |
| Volcanic field | Coast Range Province CRP volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 23 | 21 | 25 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.3 | WT% | XRF | |
| NA2O | 4.03 | WT% | XRF | |
| K2O | 4.91 | WT% | XRF | |
| MGO | 0.25 | WT% | XRF | |
| FE2O3 | 3.21 | WT% | XRF | |
| AL2O3 | 15.5 | WT% | XRF | |
| CAO | 1.66 | WT% | XRF | |
| MNO | 0.01 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| TIO2 | 0.19 | WT% | XRF | |
| BA | 1090 | PPM | ICPMS | |
| CE | 87 | PPM | ICPMS | |
| DY | 3.1 | PPM | ICPMS | |
| EU | 0.76 | PPM | ICPMS | |
| GD | 4.2 | PPM | ICPMS | |
| HF | 8.1 | PPM | ICPMS | |
| LA | 51.5 | PPM | ICPMS | |
| LU | 0.38 | PPM | ICPMS | |
| NB | 30 | PPM | ICPMS | |
| ND | 32 | PPM | ICPMS | |
| RB | 190 | PPM | ICPMS | |
| SC | 2.32 | PPM | ICPMS | |
| SM | 6.79 | PPM | ICPMS | |
| SR | 200 | PPM | ICPMS | |
| TA | 1.2 | PPM | ICPMS | |
| TB | 0.7 | PPM | ICPMS | |
| TH | 16 | PPM | ICPMS | |
| U | 5.2 | PPM | ICPMS | |
| YB | 1.99 | PPM | ICPMS | |
| SR87_SR86 | 0.706003 | TIMS | ||
| RB87_SR86 | 2.735 | TIMS | ||
| ND143_ND144 | 0.512712 | TIMS | ||
| SM147_ND144 | 0.128 | TIMS |