Sample 71
NavDat sample number 9154 · ANDESITE
Sample
| Sample ID | 71 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 40.33 |
|---|---|
| Longitude | -106.25 |
| Location | A.O. Porphyry |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 23.5 | 18.5 | 28.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 51.05 | WT% | XRF | |
| TIO2 | 1.48 | WT% | XRF | |
| AL2O3 | 16.16 | WT% | XRF | |
| FEO | 5.04 | WT% | XRF | |
| FE2O3 | 2.47 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 3.41 | WT% | XRF | |
| CAO | 4.66 | WT% | XRF | |
| NA2O | 3.77 | WT% | XRF | |
| K2O | 3.25 | WT% | XRF | |
| P2O5 | 0 | WT% | XRF | |
| CL2 | 0 | WT% | XRF | |
| CO2 | 0.51 | WT% | XRF | |
| SO2 | 0.02 | WT% | XRF | |
| NIO | 0.0068 | WT% | XRF | |
| BAO | 0.2 | WT% | XRF | |
| SRO | 0.074 | WT% | XRF | |
| F2 | 0.061 | WT% | XRF | |
| ZRO2 | 0.0183 | WT% | XRF | |
| CR2O3 | 0.0053 | WT% | XRF | |
| H2O_PLUS | 2.6 | WT% | XRF | |
| H2O_MINUS | 0.28 | WT% | XRF | |
| TOTAL | 98.915 | WT% | XRF | |
| CU | 181 | PPM | XRF | |
| ZN | 127 | PPM | XRF | |
| PB | 70 | PPM | XRF | |
| BA | 1960 | PPM | XRF | |
| ZR | 188 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| TA | 2.29 | PPM | XRF | |
| NI | 68 | PPM | XRF | |
| CO | 61 | PPM | XRF | |
| CR | 53 | PPM | XRF | |
| F | 610 | PPM | XRF | |
| MO | 0 | PPM | XRF | |
| RB | 66 | PPM | XRF | |
| SR | 970 | PPM | XRF | |
| SB | 1.09 | PPM | XRF | |
| CS | 0.42 | PPM | XRF | |
| SC | 12.04 | PPM | XRF |