Sample SBA-1-78
NavDat sample number 35623 · ANDESITE
Sample
| Sample ID | SBA-1-78 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.065 |
|---|---|
| Longitude | -105.223 |
| Location | Trail Creek road; NE base of Signal Butte |
| State / province | Colorado |
| Formation | SIGNAL BUTTE ANDESITE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 43 | 38 | 48 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.3 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.64 | WT% | XRF | |
| AL2O3 | 18.39 | WT% | AAS | |
| FE2O3 | 2.19 | WT% | AAS | |
| FEO | 1.74 | WT% | AAS | |
| MNO | 0.16 | WT% | UNKNOWN | |
| MGO | 1.12 | WT% | AAS | |
| CAO | 5.58 | WT% | XRF | |
| NA2O | 4.71 | WT% | AAS | |
| K2O | 2.97 | WT% | AAS | |
| P2O5 | 0.21 | WT% | XRF | |
| LOI | 2.69 | WT% | LOI | |
| TOTAL | 99.98 | WT% | LOI | |
| BA | 2211 | PPM | XRF | |
| BE | 3.5 | PPM | UNKNOWN | |
| CO | 12 | PPM | UNKNOWN | |
| CR | 4 | PPM | UNKNOWN | |
| CU | 2 | PPM | UNKNOWN | |
| LI | 23 | PPM | UNKNOWN | |
| NI | 5 | PPM | UNKNOWN | |
| PB | 21 | PPM | UNKNOWN | |
| RB | 92 | PPM | XRF | |
| SR | 1366 | PPM | XRF | |
| TH | 11 | PPM | GAMMA-RAY COUNTING | |
| U | 4.6 | PPM | GAMMA-RAY COUNTING | |
| V | 60 | PPM | UNKNOWN | |
| Y | 15 | PPM | ICP | |
| ZN | 67 | PPM | UNKNOWN | |
| ZR | 107 | PPM | XRF | |
| SR87_SR86 | 0.70418 | TIMS_ID | ||
| SR | 3322 | PPM | TIMS_ID |