Sample GBA-1-39
NavDat sample number 35564 · ANDESITE
Sample
| Sample ID | GBA-1-39 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.776 |
|---|---|
| Longitude | -105.505 |
| Location | Guffey Thirtynine Mile Road |
| State / province | Colorado |
| Formation | GUFFEY CENTER BIOTITE ANDESITE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 35 | 30 | 40 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 59.62 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.93 | WT% | XRF | |
| AL2O3 | 16.55 | WT% | AAS | |
| FE2O3 | 2.48 | WT% | AAS | |
| FEO | 4.1 | WT% | AAS | |
| MNO | 0.16 | WT% | UNKNOWN | |
| MGO | 3.29 | WT% | AAS | |
| CAO | 5.01 | WT% | XRF | |
| NA2O | 3.73 | WT% | AAS | |
| K2O | 4.02 | WT% | AAS | |
| P2O5 | 0.11 | WT% | XRF | |
| LOI | 2.45 | WT% | LOI | |
| TOTAL | 99.73 | WT% | LOI | |
| BA | 1877 | PPM | XRF | |
| BE | 0.5 | PPM | UNKNOWN | |
| CO | 19 | PPM | UNKNOWN | |
| CR | 41 | PPM | UNKNOWN | |
| CU | 23 | PPM | UNKNOWN | |
| LI | 12 | PPM | UNKNOWN | |
| NI | 17 | PPM | UNKNOWN | |
| PB | 13 | PPM | UNKNOWN | |
| RB | 93 | PPM | XRF | |
| SR | 952 | PPM | XRF | |
| TH | 10 | PPM | GAMMA-RAY COUNTING | |
| U | 2.4 | PPM | GAMMA-RAY COUNTING | |
| V | 151 | PPM | UNKNOWN | |
| Y | 31 | PPM | ICP | |
| ZN | 81 | PPM | UNKNOWN | |
| ZR | 225 | PPM | XRF | |
| SR87_SR86 | 0.70585 | TIMS_ID | ||
| SR | 4062 | PPM | TIMS_ID |