Sample 49
NavDat sample number 29574 · RHYOLITE
Sample
| Sample ID | 49 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | R.L. Smith and L.J.P. Muffler |
| Comment | obsidian |
Location
| Latitude | 33.169 |
|---|---|
| Longitude | -115.637 |
| Location | Obsidian Butte |
| State / province | California |
| Volcanic field | Salton Sea |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.9 | 0 | 1.8 | Quaternary |
Analyses
Glass
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.8 | WT% | UNKNOWN | |
| AL2O3 | 12.81 | WT% | UNKNOWN | |
| FE2O3 | 0.7 | WT% | UNKNOWN | |
| FEO | 1.65 | WT% | UNKNOWN | |
| MGO | 0.16 | WT% | UNKNOWN | |
| CAO | 0.85 | WT% | UNKNOWN | |
| NA2O | 4.75 | WT% | UNKNOWN | |
| K2O | 4.1 | WT% | UNKNOWN | |
| H2O_PLUS | 0.09 | WT% | UNKNOWN | |
| TIO2 | 0.21 | WT% | UNKNOWN | |
| P2O5 | 0.02 | WT% | UNKNOWN | |
| MNO | 0.06 | WT% | UNKNOWN | |
| CL | 0.34 | WT% | UNKNOWN | |
| CL | 0.31 | WT% | UNKNOWN | |
| F | 0.13 | WT% | UNKNOWN | |
| F | 0.12 | WT% | UNKNOWN | |
| BA | 515 | PPM | UNKNOWN | |
| BE | 5.8 | PPM | UNKNOWN | |
| CO | 1.4 | PPM | UNKNOWN | |
| CR | 8 | PPM | UNKNOWN | |
| CS | 4 | PPM | UNKNOWN | |
| HF | 11.8 | PPM | UNKNOWN | |
| LI | 60 | PPM | UNKNOWN | |
| MO | 3.2 | PPM | UNKNOWN | |
| NB | 28 | PPM | UNKNOWN | |
| NB | 32 | PPM | UNKNOWN | |
| PB | 13 | PPM | UNKNOWN | |
| RB | 133 | PPM | UNKNOWN | |
| RB | 135 | PPM | UNKNOWN | |
| SB | 0.6 | PPM | UNKNOWN | |
| SC | 3.1 | PPM | UNKNOWN | |
| SN | 8.3 | PPM | UNKNOWN | |
| SR | 25 | PPM | UNKNOWN | |
| TA | 2.48 | PPM | UNKNOWN | |
| TH | 20.8 | PPM | UNKNOWN | |
| U | 5.7 | PPM | UNKNOWN | |
| W | 1.2 | PPM | UNKNOWN | |
| Y | 115 | PPM | UNKNOWN | |
| ZN | 68 | PPM | UNKNOWN | |
| ZR | 395 | PPM | UNKNOWN | |
| LA | 54 | PPM | UNKNOWN | |
| CE | 122 | PPM | UNKNOWN | |
| ND | 66 | PPM | UNKNOWN | |
| SM | 15 | PPM | UNKNOWN | |
| EU | 1.54 | PPM | UNKNOWN | |
| GD | 14.1 | PPM | UNKNOWN | |
| TB | 2.98 | PPM | UNKNOWN | |
| TM | 1.96 | PPM | UNKNOWN | |
| YB | 13.6 | PPM | UNKNOWN | |
| LU | 1.87 | PPM | UNKNOWN |