Sample EMA 4
NavDat sample number 42923 · ANDESITE
Sample
| Sample ID | EMA 4 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | hornblende andesite dike |
Location
| Latitude | 37.439 |
|---|---|
| Longitude | -107.014 |
| Location | Eagle Mtn. Area |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.71 | 27.62 | 27.8 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.67 | WT% | XRF | |
| TIO2 | 0.73 | WT% | XRF | |
| AL2O3 | 16.82 | WT% | XRF | |
| FE2O3 | 6.24 | WT% | XRF | |
| MGO | 1.83 | WT% | XRF | |
| CAO | 5.3 | WT% | XRF | |
| NA2O | 4.03 | WT% | XRF | |
| K2O | 2.53 | WT% | XRF | |
| P2O5 | 0.33 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| TOTAL | 99.56 | WT% | XRF | |
| ZN | 79 | PPM | XRF | |
| RB | 55 | PPM | XRF | |
| SR | 888 | PPM | XRF | |
| Y | 19 | PPM | XRF | |
| ZR | 136 | PPM | XRF | |
| NB | 3 | PPM | XRF | |
| PB | 25 | PPM | XRF | |
| TH | -2 | PPM | XRF | |
| BA | 911 | PPM | XRF | |
| LA | 24 | PPM | XRF | |
| CE | 53 | PPM | XRF | |
| ND | 27 | PPM | XRF | |
| CU | 21 | PPM | XRF | |
| V | 88 | PPM | XRF | |
| CR | 9 | PPM | XRF | |
| NI | 3 | PPM | XRF | |
| LA | 23.8 | PPM | INAA | |
| CE | 52.7 | PPM | INAA | |
| ND | 26.8 | PPM | INAA | |
| SM | 5.9 | PPM | INAA | |
| EU | 1.53 | PPM | INAA | |
| GD | 3.2 | PPM | INAA | |
| HO | 0.53 | PPM | INAA | |
| TM | 0.13 | PPM | INAA | |
| YB | 0.8 | PPM | INAA | |
| LU | 0.12 | PPM | INAA | |
| HF | 6 | PPM | INAA |