Sample M325
NavDat sample number 12291 · DACITE
Sample
| Sample ID | M325 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | San Antonio dacite - vit |
Location
| Latitude | 29 |
|---|---|
| Longitude | -104.667 |
| Location | 1km S of R. Samuel |
| State / province | Chihuahua |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.51 | WT% | XRF | |
| TIO2 | 0.94 | WT% | XRF | |
| AL2O3 | 14.88 | WT% | XRF | |
| FE2O3 | 0.88 | WT% | XRF | |
| FEO | 4.41 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 1 | WT% | XRF | |
| CAO | 2.99 | WT% | XRF | |
| NA2O | 3.88 | WT% | XRF | |
| K2O | 4.09 | WT% | XRF | |
| P2O5 | 0.29 | WT% | XRF | |
| LOI | 3.24 | WT% | XRF | |
| TOTAL | 101.96 | WT% | XRF | |
| V | 34 | PPM | MS-ID | |
| CR | 7 | PPM | MS-ID | |
| NI | 3 | PPM | MS-ID | |
| RB | 220 | PPM | MS-ID | |
| SR | 240 | PPM | MS-ID | |
| Y | 60 | PPM | MS-ID | |
| ZR | 505 | PPM | MS-ID | |
| NB | 45 | PPM | MS-ID | |
| BA | 1129 | PPM | MS-ID | |
| LA | 68 | PPM | MS-ID | |
| CE | 136 | PPM | MS-ID | |
| ND | 66 | PPM | MS-ID | |
| PB | 35 | PPM | MS-ID | |
| TH | 15.5 | PPM | MS-ID |