Sample JD-1-135
NavDat sample number 35589 · ANDESITE
Sample
| Sample ID | JD-1-135 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3778 |
|---|---|
| Longitude | -105.719 |
| Location | Johnson Gulch |
| State / province | Colorado |
| Formation | JEFFERSON ANDESITE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 35 | 30 | 40 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.65 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.79 | WT% | XRF | |
| AL2O3 | 16.06 | WT% | AAS | |
| FE2O3 | 2.3 | WT% | AAS | |
| FEO | 2.75 | WT% | AAS | |
| MNO | 0.07 | WT% | UNKNOWN | |
| MGO | 1.59 | WT% | AAS | |
| CAO | 3.86 | WT% | XRF | |
| NA2O | 3.46 | WT% | AAS | |
| K2O | 4.12 | WT% | AAS | |
| P2O5 | 0.35 | WT% | XRF | |
| LOI | 1.53 | WT% | LOI | |
| TOTAL | 101.31 | WT% | LOI | |
| BA | 1116 | PPM | XRF | |
| BE | 6.2 | PPM | UNKNOWN | |
| CO | 18 | PPM | UNKNOWN | |
| CR | 18 | PPM | UNKNOWN | |
| CU | 11 | PPM | UNKNOWN | |
| LI | 18 | PPM | UNKNOWN | |
| NB | 39 | PPM | XRF | |
| NI | 7 | PPM | UNKNOWN | |
| PB | 29 | PPM | UNKNOWN | |
| RB | 111 | PPM | XRF | |
| SR | 737 | PPM | XRF | |
| TH | 23 | PPM | GAMMA-RAY COUNTING | |
| U | 4 | PPM | GAMMA-RAY COUNTING | |
| V | 96 | PPM | UNKNOWN | |
| Y | 29 | PPM | ICP | |
| ZN | 74 | PPM | UNKNOWN | |
| ZR | 256 | PPM | XRF |