Sample A73
NavDat sample number 43268 · ANDESITE
Sample
| Sample ID | A73 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 41.9856 |
|---|---|
| Longitude | -122.184 |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 21.17 | 20.63 | 21.71 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.16 | WT% | UNKNOWN | |
| TIO2 | 1.23 | WT% | UNKNOWN | |
| AL2O3 | 15.41 | WT% | UNKNOWN | |
| FE2O3 | 6.09 | WT% | UNKNOWN | |
| FEO | 0 | WT% | UNKNOWN | |
| MNO | 0.1 | WT% | UNKNOWN | |
| MGO | 0.58 | WT% | UNKNOWN | |
| CAO | 3.05 | WT% | UNKNOWN | |
| NA2O | 4.49 | WT% | UNKNOWN | |
| P2O5 | 0.4 | WT% | UNKNOWN | |
| LOI | 2.21 | WT% | UNKNOWN | |
| FE2O3T | 6.09 | WT% | UNKNOWN | |
| RB | 74.5 | PPM | UNKNOWN | |
| SR | 369 | PPM | UNKNOWN | |
| Y | 41 | PPM | UNKNOWN | |
| ZR | 344 | PPM | UNKNOWN | |
| NI | 1.3 | PPM | UNKNOWN | |
| CR | 6.3 | PPM | UNKNOWN | |
| NB | 14.7 | PPM | UNKNOWN | |
| GA | 19.9 | PPM | UNKNOWN | |
| CU | 9.3 | PPM | UNKNOWN | |
| ZN | 88 | PPM | UNKNOWN | |
| CO | 6.7 | PPM | UNKNOWN | |
| BA | 857 | PPM | UNKNOWN | |
| LA | 33.1 | PPM | UNKNOWN | |
| CE | 65 | PPM | UNKNOWN | |
| TH | 7.5 | PPM | UNKNOWN | |
| PB | 12.9 | PPM | UNKNOWN | |
| SC | 22 | PPM | UNKNOWN |