Sample 143
NavDat sample number 29542 · RHYOLITE
Sample
| Sample ID | 143 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | R.L. Smith and I. Friedman |
| Comment | obsidian |
Location
| Latitude | 41.5765 |
|---|---|
| Longitude | -121.677 |
| Location | Little Glass Mountain |
| State / province | California |
| Volcanic field | Medicine Lake Highlands |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0 | 0 | 0.01 | Holocene |
Analyses
Glass
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74 | WT% | UNKNOWN | |
| AL2O3 | 14.02 | WT% | UNKNOWN | |
| FE2O3 | 0.42 | WT% | UNKNOWN | |
| FEO | 1.25 | WT% | UNKNOWN | |
| MGO | 0.26 | WT% | UNKNOWN | |
| CAO | 1.21 | WT% | UNKNOWN | |
| NA2O | 4.06 | WT% | UNKNOWN | |
| K2O | 4.34 | WT% | UNKNOWN | |
| H2O_PLUS | 0.08 | WT% | UNKNOWN | |
| TIO2 | 0.28 | WT% | UNKNOWN | |
| P2O5 | 0.05 | WT% | UNKNOWN | |
| MNO | 0.04 | WT% | UNKNOWN | |
| CL | 0.06 | WT% | UNKNOWN | |
| CL | 0.06 | WT% | UNKNOWN | |
| F | 0.04 | WT% | UNKNOWN | |
| F | 0.03 | WT% | UNKNOWN | |
| BA | 850 | PPM | UNKNOWN | |
| BE | 2.6 | PPM | UNKNOWN | |
| CO | 1.9 | PPM | UNKNOWN | |
| CR | 5 | PPM | UNKNOWN | |
| CS | 10.1 | PPM | UNKNOWN | |
| HF | 5.6 | PPM | UNKNOWN | |
| LI | 64 | PPM | UNKNOWN | |
| MO | 2.9 | PPM | UNKNOWN | |
| NB | 9.6 | PPM | UNKNOWN | |
| PB | 18 | PPM | UNKNOWN | |
| RB | 155 | PPM | UNKNOWN | |
| RB | 155 | PPM | UNKNOWN | |
| SB | 0.6 | PPM | UNKNOWN | |
| SC | 4.3 | PPM | UNKNOWN | |
| SN | 3 | PPM | UNKNOWN | |
| SR | 115 | PPM | UNKNOWN | |
| TA | 1.1 | PPM | UNKNOWN | |
| TH | 14.9 | PPM | UNKNOWN | |
| U | 6.7 | PPM | UNKNOWN | |
| W | 1.4 | PPM | UNKNOWN | |
| Y | 25 | PPM | UNKNOWN | |
| ZN | 32 | PPM | UNKNOWN | |
| ZR | 208 | PPM | UNKNOWN | |
| LA | 24 | PPM | UNKNOWN | |
| CE | 46 | PPM | UNKNOWN | |
| ND | 17 | PPM | UNKNOWN | |
| SM | 4.5 | PPM | UNKNOWN | |
| EU | 0.57 | PPM | UNKNOWN | |
| GD | 3.8 | PPM | UNKNOWN | |
| TB | 0.68 | PPM | UNKNOWN | |
| TM | 0.4 | PPM | UNKNOWN | |
| YB | 2.5 | PPM | UNKNOWN | |
| LU | 0.39 | PPM | UNKNOWN |