Sample 491
NavDat sample number 40763 · IGNIMBRITE
Sample
| Sample ID | 491 |
|---|---|
| Rock name | IGNIMBRITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | A-type |
Location
| Latitude | 33.3071 |
|---|---|
| Longitude | -102.844 |
| State / province | Texas |
| County | Cochran |
| Location comment | 19 Harrison and Brown |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1385 | 1370 | 1400 |
Analyses
WR
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.99 | WT% | ICPMS | |
| TIO2 | 0.15 | WT% | ICPMS | |
| AL2O3 | 12.04 | WT% | ICPMS | |
| FE2O3 | 2.51 | WT% | ICPMS | |
| MNO | 0.03 | WT% | ICPMS | |
| MGO | 0.22 | WT% | ICPMS | |
| CAO | 0.19 | WT% | ICPMS | |
| NA2O | 3.28 | WT% | ICPMS | |
| K2O | 5.72 | WT% | ICPMS | |
| P2O5 | 0 | WT% | ICPMS | |
| TOTAL | 100.15 | WT% | ICPMS | |
| RB | 158 | PPM | ICPMS | |
| SR | 23 | PPM | ICPMS | |
| ZR | 160 | PPM | ICPMS | |
| BA | 99 | PPM | ICPMS | |
| Y | 51.2 | PPM | ICPMS | |
| NB | 23 | PPM | ICPMS | |
| SC | 2.2 | PPM | ICPMS | |
| V | 7 | PPM | ICPMS | |
| CR | 222 | PPM | ICPMS | |
| NI | 0 | PPM | ICPMS | |
| CU | 9 | PPM | ICPMS | |
| ZN | 32 | PPM | ICPMS |