Sample 20
NavDat sample number 22258 · RHYOLITE
Sample
| Sample ID | 20 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | vitrophyre |
Location
| Latitude | 39.71 |
|---|---|
| Longitude | -113.58 |
| State / province | Utah |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 4.65 | 4.45 | 4.85 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.8 | WT% | XRF | |
| TIO2 | 0.01 | WT% | XRF | |
| AL2O3 | 14.5 | WT% | XRF | |
| FE2O3 | 0.53 | WT% | XRF | |
| FEO | 0.31 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | -0.01 | WT% | VOL | |
| CAO | 1.59 | WT% | XRF | |
| NA2O | 4.64 | WT% | FPHOT | |
| K2O | 4.55 | WT% | FPHOT | |
| P2O5 | 0.04 | WT% | COL | |
| F | 0.31 | WT% | SIE | |
| CL | 0.05 | WT% | XRF | |
| H2O | 0.04 | WT% | XRF | |
| H2O_MINUS | 0.03 | WT% | XRF | |
| TOTAL | 99.33 | WT% | XRF | |
| LI | 294 | PPM | AAS | |
| BE | 36 | PPM | AAS | |
| B | 92 | PPM | INAA | |
| CL | 537 | PPM | XRF | |
| SC | 4.36 | PPM | INAA | |
| TI | 49 | PPM | XRF | |
| MN | 545 | PPM | XRF | |
| ZN | 18 | PPM | INAA | |
| ARSENIC | 13 | PPM | AAS | |
| BR | 3.8 | PPM | INAA | |
| RB | 1460 | PPM | XRF | |
| SR | 33 | PPM | XRF | |
| Y | 85 | PPM | XRF | |
| ZR | 42 | PPM | XRF | |
| NB | 86 | PPM | XRF | |
| SN | 23 | PPM | AAS | |
| SB | 2 | PPM | INAA | |
| CS | 34.2 | PPM | INAA | |
| BA | 125 | PPM | XRF | |
| HF | 5 | PPM | INAA | |
| AU | 6 | PPM | INAA | |
| TH | 25 | PPM | INAA | |
| U | 16.2 | PPM | INAA | |
| LA | 38.8 | PPM | INAA | |
| CE | 137 | PPM | INAA | |
| ND | 32 | PPM | INAA | |
| SM | 10.4 | PPM | INAA | |
| EU | 0.16 | PPM | INAA | |
| TB | 2.8 | PPM | INAA | |
| YB | 30.6 | PPM | INAA | |
| LU | 5.3 | PPM | INAA |