Sample 498
NavDat sample number 40767 · IGNIMBRITE
Sample
| Sample ID | 498 |
|---|---|
| Rock name | IGNIMBRITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | A-type |
Location
| Latitude | 35.0316 |
|---|---|
| Longitude | -101.563 |
| State / province | Texas |
| County | Armstong |
| Location comment | 141 B-4 H&GN |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1385 | 1370 | 1400 |
Analyses
WR
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 79.2 | WT% | ICPMS | |
| TIO2 | 0.09 | WT% | ICPMS | |
| AL2O3 | 11.36 | WT% | ICPMS | |
| FE2O3 | 0.56 | WT% | ICPMS | |
| MNO | 0 | WT% | ICPMS | |
| MGO | 0.07 | WT% | ICPMS | |
| CAO | 0.16 | WT% | ICPMS | |
| NA2O | 3.78 | WT% | ICPMS | |
| K2O | 4.1 | WT% | ICPMS | |
| P2O5 | 0 | WT% | ICPMS | |
| TOTAL | 99.33 | WT% | ICPMS | |
| RB | 123 | PPM | ICPMS | |
| SR | 26 | PPM | ICPMS | |
| ZR | 117 | PPM | ICPMS | |
| BA | 80 | PPM | ICPMS | |
| Y | 26.3 | PPM | ICPMS | |
| NB | 13 | PPM | ICPMS | |
| SC | 1.7 | PPM | ICPMS | |
| V | 1 | PPM | ICPMS | |
| CR | 169 | PPM | ICPMS | |
| NI | 36 | PPM | ICPMS | |
| CU | 22 | PPM | ICPMS | |
| ZN | 5 | PPM | ICPMS |