Sample SJB2
NavDat sample number 34014 · TRACHYANDESITE
Sample
| Sample ID | SJB2 |
|---|---|
| Alternate ID | 27 |
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 36.82 |
|---|---|
| Longitude | -121.55 |
| 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 | 57.84 | WT% | XRF | |
| NA2O | 4.35 | WT% | XRF | |
| K2O | 1.82 | WT% | XRF | |
| MGO | 0.84 | WT% | XRF | |
| FE2O3 | 7.71 | WT% | XRF | |
| AL2O3 | 16.05 | WT% | XRF | |
| CAO | 4.38 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| P2O5 | 0.55 | WT% | XRF | |
| TIO2 | 1 | WT% | XRF | |
| BA | 752 | PPM | ICPMS | |
| CE | 89.8 | PPM | ICPMS | |
| EU | 2.55 | PPM | ICPMS | |
| HF | 9 | PPM | ICPMS | |
| LA | 43.8 | PPM | ICPMS | |
| LU | 0.54 | PPM | ICPMS | |
| ND | 45.5 | PPM | ICPMS | |
| RB | 102 | PPM | ICPMS | |
| SC | 10.9 | PPM | ICPMS | |
| SM | 10.2 | PPM | ICPMS | |
| SR | 215 | PPM | ICPMS | |
| TA | 2 | PPM | ICPMS | |
| TB | 1.31 | PPM | ICPMS | |
| TH | 10.6 | PPM | ICPMS | |
| U | 3.7 | PPM | ICPMS | |
| YB | 3.71 | PPM | ICPMS | |
| SR87_SR86 | 0.704579 | TIMS | ||
| RB87_SR86 | 1.366 | TIMS | ||
| ND143_ND144 | 0.512842 | TIMS | ||
| SM147_ND144 | 0.136 | TIMS |