Sample 40
NavDat sample number 29538 · RHYOLITE
Sample
| Sample ID | 40 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | R.L. Smith and W.A. Duffield |
| Comment | obsidian |
Location
| Latitude | 41.75 |
|---|---|
| Longitude | -120.304 |
| Location | Buck Mountain |
| State / province | California |
| Volcanic field | Warner Mountains |
| Location comment | northwest flank of Buck Mountain |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 14.55 | 5.3 | 23.8 | Miocene |
Analyses
Glass
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.8 | WT% | UNKNOWN | |
| AL2O3 | 13.27 | WT% | UNKNOWN | |
| FE2O3 | 0.37 | WT% | UNKNOWN | |
| FEO | 0.38 | WT% | UNKNOWN | |
| MGO | 0.08 | WT% | UNKNOWN | |
| CAO | 0.81 | WT% | UNKNOWN | |
| NA2O | 3.98 | WT% | UNKNOWN | |
| K2O | 4.54 | WT% | UNKNOWN | |
| H2O_PLUS | 0.17 | WT% | UNKNOWN | |
| TIO2 | 0.09 | WT% | UNKNOWN | |
| P2O5 | 0.01 | WT% | UNKNOWN | |
| MNO | 0.06 | WT% | UNKNOWN | |
| CL | 0.05 | WT% | UNKNOWN | |
| CL | 0.03 | WT% | UNKNOWN | |
| F | 0.03 | WT% | UNKNOWN | |
| F | 0.02 | WT% | UNKNOWN | |
| BA | 635 | PPM | UNKNOWN | |
| BE | 3 | PPM | UNKNOWN | |
| CO | 0.2 | PPM | UNKNOWN | |
| CR | 5 | PPM | UNKNOWN | |
| CS | 2.4 | PPM | UNKNOWN | |
| HF | 3.1 | PPM | UNKNOWN | |
| LI | 42 | PPM | UNKNOWN | |
| MO | 4.4 | PPM | UNKNOWN | |
| NB | 15 | PPM | UNKNOWN | |
| NB | 16 | PPM | UNKNOWN | |
| PB | 27 | PPM | UNKNOWN | |
| RB | 104 | PPM | UNKNOWN | |
| RB | 122 | PPM | UNKNOWN | |
| SB | 0.4 | PPM | UNKNOWN | |
| SC | 1.7 | PPM | UNKNOWN | |
| SN | 1.2 | PPM | UNKNOWN | |
| SR | 70 | PPM | UNKNOWN | |
| TA | 1.16 | PPM | UNKNOWN | |
| TH | 9.8 | PPM | UNKNOWN | |
| U | 4.1 | PPM | UNKNOWN | |
| W | 0.8 | PPM | UNKNOWN | |
| Y | 12 | PPM | UNKNOWN | |
| ZN | 23 | PPM | UNKNOWN | |
| ZR | 100 | PPM | UNKNOWN | |
| LA | 23 | PPM | UNKNOWN | |
| CE | 36 | PPM | UNKNOWN | |
| ND | 13 | PPM | UNKNOWN | |
| SM | 2.7 | PPM | UNKNOWN | |
| EU | 0.37 | PPM | UNKNOWN | |
| GD | 1.9 | PPM | UNKNOWN | |
| TB | 0.38 | PPM | UNKNOWN | |
| TM | 0.26 | PPM | UNKNOWN | |
| YB | 1.9 | PPM | UNKNOWN | |
| LU | 0.29 | PPM | UNKNOWN |