Sample MR3
NavDat sample number 34006 · DACITE
Sample
| Sample ID | MR3 |
|---|---|
| Alternate ID | 19 |
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 35.32 |
|---|---|
| Longitude | -120.73 |
| 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 | 67.49 | WT% | XRF | |
| NA2O | 4.1 | WT% | XRF | |
| K2O | 3.1 | WT% | XRF | |
| MGO | 1.11 | WT% | XRF | |
| FE2O3 | 3.29 | WT% | XRF | |
| AL2O3 | 15.79 | WT% | XRF | |
| CAO | 2.72 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| P2O5 | 0.22 | WT% | XRF | |
| TIO2 | 0.48 | WT% | XRF | |
| BA | 775 | PPM | ICPMS | |
| CE | 65.2 | PPM | ICPMS | |
| EU | 1.09 | PPM | ICPMS | |
| HF | 6.9 | PPM | ICPMS | |
| LA | 32.9 | PPM | ICPMS | |
| LU | 0.43 | PPM | ICPMS | |
| ND | 28.1 | PPM | ICPMS | |
| RB | 136 | PPM | ICPMS | |
| SC | 6.1 | PPM | ICPMS | |
| SM | 6.3 | PPM | ICPMS | |
| SR | 182 | PPM | ICPMS | |
| TA | 1.1 | PPM | ICPMS | |
| TB | 0.81 | PPM | ICPMS | |
| TH | 15.1 | PPM | ICPMS | |
| U | 5 | PPM | ICPMS | |
| YB | 2.83 | PPM | ICPMS | |
| SR87_SR86 | 0.706695 | TIMS | ||
| RB87_SR86 | 2.163 | TIMS | ||
| ND143_ND144 | 0.512612 | TIMS | ||
| SM147_ND144 | 0.136 | TIMS |