Sample SM-4B
NavDat sample number 37865 · ANDESITE
Sample
| Sample ID | SM-4B |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.481 |
|---|---|
| Longitude | -106.91 |
| Location | west slope of Saddle Mtn. |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.2 | 27.8 | 28.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 58.4892 | WT% | XRF | |
| TIO2 | 0.986565 | WT% | XRF | |
| AL2O3 | 15.9058 | WT% | XRF | |
| FE2O3 | 8.91935 | WT% | XRF | |
| MGO | 3.56371 | WT% | XRF | |
| CAO | 6.15093 | WT% | XRF | |
| NA2O | 3.01003 | WT% | XRF | |
| K2O | 3.10063 | WT% | XRF | |
| P2O5 | 0.392612 | WT% | XRF | |
| MNO | 0.171139 | WT% | XRF | |
| LOI | 0.67 | WT% | XRF | |
| TOTAL | 100.69 | WT% | XRF | |
| LA | 44.9 | PPM | INAA | |
| CE | 78.4 | PPM | INAA | |
| SM | 7.7 | PPM | INAA | |
| EU | 1.73 | PPM | INAA | |
| TB | 0.99 | PPM | INAA | |
| YB | 2.82 | PPM | INAA | |
| LU | 0.46 | PPM | INAA | |
| TA | 0.62 | PPM | INAA | |
| HF | 4.87 | PPM | INAA | |
| SC | 18.7 | PPM | INAA | |
| CR | 65 | PPM | INAA | |
| CO | 24.3 | PPM | INAA |