Sample BTA-1-130
NavDat sample number 35556 · TRACHYANDESITE
Sample
| Sample ID | BTA-1-130 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.1182 |
|---|---|
| Longitude | -105.363 |
| Location | quarry near Goodhope Gulch |
| State / province | Colorado |
| Formation | BUNKER TRACHYANDESITE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30 | 25 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.19 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 1.09 | WT% | XRF | |
| AL2O3 | 17.92 | WT% | AAS | |
| FE2O3 | 2.65 | WT% | AAS | |
| FEO | 5.34 | WT% | AAS | |
| MNO | 0.17 | WT% | UNKNOWN | |
| MGO | 3.11 | WT% | AAS | |
| CAO | 6.61 | WT% | XRF | |
| NA2O | 3.93 | WT% | AAS | |
| K2O | 3.55 | WT% | AAS | |
| P2O5 | 0.44 | WT% | XRF | |
| LOI | 2.46 | WT% | LOI | |
| TOTAL | 99.16 | WT% | LOI | |
| BA | 1293 | PPM | XRF | |
| BE | 0.5 | PPM | UNKNOWN | |
| CO | 21 | PPM | UNKNOWN | |
| CR | 6 | PPM | UNKNOWN | |
| CU | 9 | PPM | UNKNOWN | |
| LI | 11 | PPM | UNKNOWN | |
| NI | 9 | PPM | UNKNOWN | |
| PB | 19 | PPM | UNKNOWN | |
| RB | 59 | PPM | XRF | |
| SR | 932 | PPM | XRF | |
| TH | 10 | PPM | GAMMA-RAY COUNTING | |
| U | 2.6 | PPM | GAMMA-RAY COUNTING | |
| V | 164 | PPM | UNKNOWN | |
| Y | 25 | PPM | ICP | |
| ZN | 109 | PPM | UNKNOWN | |
| ZR | 222 | PPM | XRF | |
| SR87_SR86 | 0.70698 | TIMS_ID | ||
| SR | 873.5 | PPM | TIMS_ID |