Sample H76.17
NavDat sample number 130381 · RHYOLITE
Sample
| Sample ID | H76.17 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.7943 |
|---|---|
| Longitude | -122.724 |
| Location | ALDER CREEK |
| State / province | CALIFORNIA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.1 | 1.08 | 1.12 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.4 | WT% | RAPID_ROCK | |
| TIO2 | 0.22 | WT% | RAPID_ROCK | |
| AL2O3 | 14.2 | WT% | RAPID_ROCK | |
| FE2O3 | 1.1 | WT% | RAPID_ROCK | |
| FEO | 0.52 | WT% | RAPID_ROCK | |
| MNO | 0.03 | WT% | RAPID_ROCK | |
| MGO | 0.5 | WT% | RAPID_ROCK | |
| CAO | 1.2 | WT% | RAPID_ROCK | |
| NA2O | 3.6 | WT% | RAPID_ROCK | |
| K2O | 4.2 | WT% | RAPID_ROCK | |
| P2O5 | 0.03 | WT% | RAPID_ROCK | |
| H2O_PLUS | 0.67 | WT% | RAPID_ROCK | |
| H2O | 0.15 | WT% | RAPID_ROCK | |
| TOTAL | 100.52 | WT% | RAPID_ROCK | |
| CS | 13.6 | PPM | INAA | |
| RB | 184 | PPM | INAA | |
| BA | 733 | PPM | INAA | |
| TH | 20.4 | PPM | INAA | |
| U | 7.8 | PPM | INAA | |
| TA | 0.92 | PPM | INAA | |
| LA | 24 | PPM | INAA | |
| CE | 47 | PPM | INAA | |
| SR | 106 | PPM | INAA | |
| ND | 18 | PPM | INAA | |
| SM | 3.3 | PPM | INAA | |
| ZR | 170 | PPM | INAA | |
| HF | 3.3 | PPM | INAA | |
| EU | 0.38 | PPM | INAA | |
| YB | 2.1 | PPM | INAA | |
| LU | 0.33 | PPM | INAA | |
| SR87_SR86 | 0.70424 | TIMS | ||
| ND143_ND144 | 0.512006 | TIMS |