Sample LST-2-137
NavDat sample number 35597 · TUFF
Sample
| Sample ID | LST-2-137 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 39.2041 |
|---|---|
| Longitude | -105.814 |
| Location | Elkhorn road and Link Spring Ridge |
| State / province | Colorado |
| Formation | LINK SPRINGS TUFF |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 57 | 52 | 62 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.35 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.35 | WT% | XRF | |
| AL2O3 | 17.33 | WT% | AAS | |
| FE2O3 | 1.88 | WT% | AAS | |
| FEO | 1.23 | WT% | AAS | |
| MNO | 0.09 | WT% | UNKNOWN | |
| MGO | 1.28 | WT% | AAS | |
| CAO | 5.51 | WT% | XRF | |
| NA2O | 3.15 | WT% | AAS | |
| K2O | 1.7 | WT% | AAS | |
| P2O5 | 0.15 | WT% | XRF | |
| LOI | 2.94 | WT% | LOI | |
| TOTAL | 100.96 | WT% | LOI | |
| BA | 777 | PPM | XRF | |
| BE | 0.9 | PPM | UNKNOWN | |
| CO | 13 | PPM | UNKNOWN | |
| CR | 3 | PPM | UNKNOWN | |
| CU | 4 | PPM | UNKNOWN | |
| LI | 14 | PPM | UNKNOWN | |
| NI | 4 | PPM | UNKNOWN | |
| PB | 20 | PPM | UNKNOWN | |
| RB | 21 | PPM | XRF | |
| SR | 1219 | PPM | XRF | |
| TH | 7 | PPM | GAMMA-RAY COUNTING | |
| U | 1.2 | PPM | GAMMA-RAY COUNTING | |
| V | 33 | PPM | UNKNOWN | |
| Y | 20 | PPM | ICP | |
| ZN | 78 | PPM | UNKNOWN | |
| ZR | 137 | PPM | XRF | |
| SR87_SR86 | 0.70623 | TIMS_ID | ||
| SR | 1601 | PPM | TIMS_ID |