Sample DM-99-60
NavDat sample number 44079 · ANDESITE
Sample
| Sample ID | DM-99-60 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Hornblende porphyry, next to Mount Mestas |
Location
| Latitude | 37.5747 |
|---|---|
| Longitude | -105.109 |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32.95 | 27.76 | 38.14 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.1 | WT% | WDXRF | |
| AL2O3 | 20.4 | WT% | WDXRF | |
| FE2O3 | 4.38 | WT% | WDXRF | |
| MGO | 2.19 | WT% | WDXRF | |
| CAO | 4.93 | WT% | WDXRF | |
| NA2O | 6.71 | WT% | WDXRF | |
| K2O | 1.66 | WT% | WDXRF | |
| TIO2 | 0.68 | WT% | WDXRF | |
| P2O5 | 0.45 | WT% | WDXRF | |
| MNO | 0.1 | WT% | WDXRF | |
| RB | 45.3 | PPM | INAA | |
| SR | 932 | PPM | INAA | |
| CS | 0.54 | PPM | INAA | |
| BA | 690 | PPM | INAA | |
| TH | 3.09 | PPM | INAA | |
| U | 0.97 | PPM | INAA | |
| ZR | 70.7 | PPM | INAA | |
| HF | 1.75 | PPM | INAA | |
| TA | 0.55 | PPM | INAA | |
| W | 0.51 | PPM | INAA | |
| SC | 13.6 | PPM | INAA | |
| CR | 3.91 | PPM | INAA | |
| CO | 12.2 | PPM | INAA | |
| NI | 23.9 | PPM | INAA | |
| ZN | 62.4 | PPM | INAA | |
| ARSENIC | 0.05 | PPM | INAA | |
| SB | 0.05 | PPM | INAA | |
| AU | 1.24 | PPB | INAA | |
| LA | 32.01 | PPM | INAA | |
| CE | 67.5 | PPM | INAA | |
| ND | 36.4 | PPM | INAA | |
| SM | 6.82 | PPM | INAA | |
| EU | 1.34 | PPM | INAA | |
| GD | 5.43 | PPM | INAA | |
| TB | 0.75 | PPM | INAA | |
| HO | 0.9 | PPM | INAA | |
| TM | 0.29 | PPM | INAA | |
| YB | 1.75 | PPM | INAA | |
| LU | 0.26 | PPM | INAA |