Sample H74.91
NavDat sample number 130376 · ANDESITE
Sample
| Sample ID | H74.91 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.8674 |
|---|---|
| Longitude | -122.641 |
| Location | PERINI HILL |
| State / province | CALIFORNIA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.95 | 0.93 | 0.97 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.8 | WT% | RAPID_ROCK | |
| TIO2 | 0.6 | WT% | RAPID_ROCK | |
| AL2O3 | 16.6 | WT% | RAPID_ROCK | |
| FE2O3 | 1.3 | WT% | RAPID_ROCK | |
| FEO | 3.6 | WT% | RAPID_ROCK | |
| MNO | 0.06 | WT% | RAPID_ROCK | |
| MGO | 3.9 | WT% | RAPID_ROCK | |
| CAO | 5 | WT% | RAPID_ROCK | |
| NA2O | 3.1 | WT% | RAPID_ROCK | |
| K2O | 2.1 | WT% | RAPID_ROCK | |
| P2O5 | 0.25 | WT% | RAPID_ROCK | |
| H2O_PLUS | 0.53 | WT% | RAPID_ROCK | |
| H2O | 0.19 | WT% | RAPID_ROCK | |
| TOTAL | 100.03 | WT% | RAPID_ROCK | |
| CS | 1.8 | PPM | INAA | |
| RB | 54 | PPM | INAA | |
| BA | 654 | PPM | INAA | |
| TH | 6.2 | PPM | INAA | |
| U | 0 | PPM | INAA | |
| TA | 0.54 | PPM | INAA | |
| LA | 25 | PPM | INAA | |
| CE | 47 | PPM | INAA | |
| SR | 624 | PPM | INAA | |
| ND | 16 | PPM | INAA | |
| SM | 4.2 | PPM | INAA | |
| ZR | 0 | PPM | INAA | |
| HF | 3.5 | PPM | INAA | |
| EU | 1.19 | PPM | INAA | |
| YB | 1.3 | PPM | INAA | |
| LU | 0.28 | PPM | INAA | |
| SR87_SR86 | 0.7041 | TIMS | ||
| ND143_ND144 | 0.511901 | TIMS |