Sample LR88-508
NavDat sample number 46155 · ANDESITE
Sample
| Sample ID | LR88-508 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.103 |
|---|---|
| Longitude | -106.928 |
| Location | East Los Pinos Pass |
| State / province | COLORADO |
| Formation | Conejos Formation and related early rocks |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.25 | 29.5 | 33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.32 | WT% | XRF | |
| TIO2 | 0.572092 | WT% | XRF | |
| AL2O3 | 15.0991 | WT% | XRF | |
| FE2O3 | 4.17831 | WT% | XRF | |
| MGO | 1.78779 | WT% | XRF | |
| CAO | 3.44277 | WT% | XRF | |
| NA2O | 3.03413 | WT% | XRF | |
| K2O | 4.68911 | WT% | XRF | |
| P2O5 | 0.183887 | WT% | XRF | |
| MNO | 0.102159 | WT% | XRF | |
| LOI | 2.08 | WT% | XRF | |
| TOTAL | 98.4094 | WT% | XRF | |
| ZN | 66 | PPM | XRF | |
| RB | 141 | PPM | XRF | |
| SR | 354 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 169 | PPM | XRF | |
| NB | 27 | PPM | XRF | |
| PB | 47 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 751 | PPM | XRF | |
| LA | 41 | PPM | XRF | |
| CE | 72 | PPM | XRF | |
| ND | 36 | PPM | XRF | |
| CS | 3.71 | PPM | INAA | |
| RB | 137 | PPM | INAA | |
| BA | 692 | PPM | INAA | |
| SR | 361 | PPM | INAA | |
| TH | 14.9 | PPM | INAA | |
| U | 6.53 | PPM | INAA | |
| LA | 38.7 | PPM | INAA | |
| CE | 73.5 | PPM | INAA | |
| ND | 31.7 | PPM | INAA | |
| SM | 6.66 | PPM | INAA | |
| EU | 1.15 | PPM | INAA | |
| GD | 6.16 | PPM | INAA | |
| TB | 0.802 | PPM | INAA | |
| HO | 1.09 | PPM | INAA | |
| TM | 0.425 | PPM | INAA | |
| YB | 2.75 | PPM | INAA | |
| LU | 0.398 | PPM | INAA | |
| TA | 1.64 | PPM | INAA | |
| ZR | 165 | PPM | INAA | |
| HF | 4.65 | PPM | INAA | |
| SB | 0.245 | PPM | INAA | |
| SC | 9.8 | PPM | INAA | |
| CR | 18.6 | PPM | INAA | |
| CO | 10.3 | PPM | INAA | |
| ZN | 61.1 | PPM | INAA |