Sample EGT-1-104
NavDat sample number 35561 · TUFF
Sample
| Sample ID | EGT-1-104 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.4459 |
|---|---|
| Longitude | -105.824 |
| Location | Sand Creek |
| State / province | Colorado |
| Formation | EAST GULCH TUFF |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33.5 | 28.5 | 38.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.05 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.23 | WT% | XRF | |
| AL2O3 | 14.2 | WT% | AAS | |
| FE2O3 | 1.54 | WT% | AAS | |
| FEO | 0 | WT% | AAS | |
| MNO | 0.14 | WT% | UNKNOWN | |
| MGO | 1.16 | WT% | AAS | |
| CAO | 1.51 | WT% | XRF | |
| NA2O | 2.95 | WT% | AAS | |
| K2O | 5.17 | WT% | AAS | |
| P2O5 | 0.05 | WT% | XRF | |
| LOI | 8.74 | WT% | LOI | |
| TOTAL | 100.74 | WT% | LOI | |
| BA | 1080 | PPM | XRF | |
| BE | 4.3 | PPM | UNKNOWN | |
| CO | 9 | PPM | UNKNOWN | |
| CR | 4 | PPM | UNKNOWN | |
| CU | 3 | PPM | UNKNOWN | |
| LI | 19 | PPM | UNKNOWN | |
| NI | 2 | PPM | UNKNOWN | |
| PB | 40 | PPM | UNKNOWN | |
| RB | 148 | PPM | XRF | |
| SR | 172 | PPM | XRF | |
| TH | 22 | PPM | GAMMA-RAY COUNTING | |
| U | 4.3 | PPM | GAMMA-RAY COUNTING | |
| V | 12 | PPM | UNKNOWN | |
| Y | 22 | PPM | ICP | |
| ZN | 43 | PPM | UNKNOWN | |
| ZR | 188 | PPM | XRF | |
| SR87_SR86 | 0.70701 | TIMS_ID | ||
| SR87_SR86_INITIAL | 0.70694 | TIMS_ID | ||
| RB | 13.09 | PPM | TIMS_ID | |
| SR | 255.8 | PPM | TIMS_ID |