Sample DM-98-2
NavDat sample number 44118 · DACITE
Sample
| Sample ID | DM-98-2 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Dacite at Picketwire |
Location
| Latitude | 37.1494 |
|---|---|
| Longitude | -105.025 |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 20.92 | 20.89 | 20.95 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.401 | WT% | WDXRF | |
| AL2O3 | 15.243 | WT% | WDXRF | |
| FE2O3 | 1.95 | WT% | WDXRF | |
| MGO | 0.71 | WT% | WDXRF | |
| CAO | 1.82 | WT% | WDXRF | |
| NA2O | 4.86 | WT% | WDXRF | |
| K2O | 3.08 | WT% | WDXRF | |
| TIO2 | 0.27 | WT% | WDXRF | |
| P2O5 | 0.15 | WT% | WDXRF | |
| MNO | 0.03 | WT% | WDXRF | |
| RB | 41.3 | PPM | INAA | |
| SR | 783 | PPM | INAA | |
| CS | 0.79 | PPM | INAA | |
| BA | 1510 | PPM | INAA | |
| TH | 3.6 | PPM | INAA | |
| U | 1.31 | PPM | INAA | |
| ZR | 97.4 | PPM | INAA | |
| HF | 2.79 | PPM | INAA | |
| TA | 0.45 | PPM | INAA | |
| W | 0.4 | PPM | INAA | |
| SC | 3.2 | PPM | INAA | |
| CR | 7.4 | PPM | INAA | |
| CO | 4.41 | PPM | INAA | |
| NI | 8.51 | PPM | INAA | |
| ZN | 37.2 | PPM | INAA | |
| ARSENIC | 0.3 | PPM | INAA | |
| SB | 0.03 | PPM | INAA | |
| AU | 0.14 | PPB | INAA | |
| LA | 19.9 | PPM | INAA | |
| CE | 35.9 | PPM | INAA | |
| ND | 14.3 | PPM | INAA | |
| SM | 2.47 | PPM | INAA | |
| EU | 0.61 | PPM | INAA | |
| GD | 1.67 | PPM | INAA | |
| TB | 0.21 | PPM | INAA | |
| HO | 0.22 | PPM | INAA | |
| TM | 0.07 | PPM | INAA | |
| YB | 0.44 | PPM | INAA | |
| LU | 0.07 | PPM | INAA | |
| SR87_SR86 | 0.704612 | TIMS | ||
| ND143_ND144 | 0.512265 | TIMS |