Sample L82-106
NavDat sample number 18320 · TRACHYANDESITE
Sample
| Sample ID | L82-106 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.9833 |
|---|---|
| Longitude | -118.783 |
| State / province | California |
| Volcanic field | Adobe |
| Location comment | Cowtrack Mtn. |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 3.1 | 2.79 | 3.41 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 53.81 | WT% | XRF | |
| TIO2 | 1.76 | WT% | XRF | |
| AL2O3 | 17.74 | WT% | XRF | |
| FE2O3 | 8.18 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 3.37 | WT% | XRF | |
| CAO | 7.15 | WT% | XRF | |
| NA2O | 4.09 | WT% | XRF | |
| K2O | 2.16 | WT% | XRF | |
| P2O5 | 0.54 | WT% | XRF | |
| TOTAL | 98.93 | WT% | XRF | |
| BA | 1120 | PPM | XRF | |
| CR | 32 | PPM | XRF | |
| CU | 15 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| NI | 9 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| RB | 45 | PPM | XRF | |
| SC | 18 | PPM | INAA | |
| SR | 881 | PPM | XRF | |
| V | 174 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZN | 82 | PPM | XRF | |
| ZR | 215 | PPM | XRF | |
| LA | 38 | PPM | INAA | |
| CE | 77 | PPM | INAA | |
| ND | 36 | PPM | INAA |