Sample SPC 20
NavDat sample number 43464 · ANDESITE
Sample
| Sample ID | SPC 20 |
|---|---|
| Alternate ID | 1987 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Un. Florence, Italy/DTM Carnegie Intitution Washington |
Location
| Latitude | 21.05 |
|---|---|
| Longitude | -104.761 |
| Location | Cerro Grande shield, 3 km SW of Compostela, Nay. |
| State / province | Nayarit |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.22 | 0.029 | 0 | 3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.74 | WT% | UNKNOWN | |
| TIO2 | 1.46 | WT% | UNKNOWN | |
| AL2O3 | 17.52 | WT% | UNKNOWN | |
| FE2O3 | 1.46 | WT% | UNKNOWN | |
| FEO | 6.2 | WT% | UNKNOWN | |
| MNO | 0.14 | WT% | UNKNOWN | |
| MGO | 4.92 | WT% | UNKNOWN | |
| CAO | 6.99 | WT% | UNKNOWN | |
| NA2O | 4 | WT% | UNKNOWN | |
| K2O | 1.51 | WT% | UNKNOWN | |
| P2O5 | 0.36 | WT% | UNKNOWN | |
| LOI | 0.71 | WT% | UNKNOWN | |
| S | 100.01 | UNKNOWN | ||
| SUMA_100 | -0.01 | WT% | UNKNOWN | |
| V | 163 | PPM | UNKNOWN | |
| CR | 125 | PPM | UNKNOWN | |
| CO | 28 | PPM | UNKNOWN | |
| NI | 63 | PPM | UNKNOWN | |
| CU | 24 | PPM | UNKNOWN | |
| ZN | 87 | PPM | UNKNOWN | |
| RB | 13 | PPM | UNKNOWN | |
| SR | 604 | PPM | UNKNOWN | |
| Y | 26 | PPM | UNKNOWN | |
| ZR | 181 | PPM | UNKNOWN | |
| NB | 14 | PPM | UNKNOWN | |
| BA | 731 | PPM | UNKNOWN | |
| LA | 27 | PPM | UNKNOWN | |
| CE | 49 | PPM | UNKNOWN | |
| ND | 29 | PPM | UNKNOWN | |
| PB | 6 | PPM | UNKNOWN | |
| TH | 4 | PPM | UNKNOWN |