Sample 149
NavDat sample number 29547 · RHYOLITE
Sample
| Sample ID | 149 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | R.L. Smith and B.C. Hearn |
| Comment | obsidian |
Location
| Latitude | 38.9032 |
|---|---|
| Longitude | -122.789 |
| Location | Camel Back Ridge |
| State / province | California |
| Volcanic field | Clear Lake Volcanic Field |
| Location comment | Camel Back Ridge, rhyolite of Thurston Creek, Lake County |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 4 | 4 | 5 |
Analyses
Glass
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.7 | WT% | UNKNOWN | |
| AL2O3 | 13.1 | WT% | UNKNOWN | |
| FE2O3 | 0.19 | WT% | UNKNOWN | |
| FEO | 1.12 | WT% | UNKNOWN | |
| MGO | 0.19 | WT% | UNKNOWN | |
| CAO | 1 | WT% | UNKNOWN | |
| NA2O | 3.43 | WT% | UNKNOWN | |
| K2O | 4.67 | WT% | UNKNOWN | |
| H2O_PLUS | 0.11 | WT% | UNKNOWN | |
| TIO2 | 0.26 | WT% | UNKNOWN | |
| P2O5 | 0.03 | WT% | UNKNOWN | |
| MNO | 0.03 | WT% | UNKNOWN | |
| CL | 0.04 | WT% | UNKNOWN | |
| CL | 0.04 | WT% | UNKNOWN | |
| F | 0.07 | WT% | UNKNOWN | |
| F | 0.06 | WT% | UNKNOWN | |
| BA | 655 | PPM | UNKNOWN | |
| BE | 2.3 | PPM | UNKNOWN | |
| CO | 1.4 | PPM | UNKNOWN | |
| CR | 2.3 | PPM | UNKNOWN | |
| CS | 14.8 | PPM | UNKNOWN | |
| HF | 5.5 | PPM | UNKNOWN | |
| LI | 75 | PPM | UNKNOWN | |
| MO | 0.75 | PPM | UNKNOWN | |
| NB | 14 | PPM | UNKNOWN | |
| NB | 14 | PPM | UNKNOWN | |
| PB | 21 | PPM | UNKNOWN | |
| RB | 201 | PPM | UNKNOWN | |
| RB | 210 | PPM | UNKNOWN | |
| SB | 1.2 | PPM | UNKNOWN | |
| SC | 4.6 | PPM | UNKNOWN | |
| SN | 5.7 | PPM | UNKNOWN | |
| SR | 73 | PPM | UNKNOWN | |
| TA | 1.31 | PPM | UNKNOWN | |
| TH | 21.7 | PPM | UNKNOWN | |
| U | 6.8 | PPM | UNKNOWN | |
| W | 3.5 | PPM | UNKNOWN | |
| Y | 33 | PPM | UNKNOWN | |
| ZN | 24 | PPM | UNKNOWN | |
| ZR | 136 | PPM | UNKNOWN | |
| LA | 31 | PPM | UNKNOWN | |
| CE | 64 | PPM | UNKNOWN | |
| ND | 25 | PPM | UNKNOWN | |
| SM | 5.2 | PPM | UNKNOWN | |
| EU | 0.33 | PPM | UNKNOWN | |
| GD | 5 | PPM | UNKNOWN | |
| TB | 0.96 | PPM | UNKNOWN | |
| TM | 0.56 | PPM | UNKNOWN | |
| YB | 3.5 | PPM | UNKNOWN | |
| LU | 0.46 | PPM | UNKNOWN |