Sample 8M70A
NavDat sample number 33587 · DACITE
Sample
| Sample ID | 8M70A |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Td |
Location
| Latitude | 46.2656 |
|---|---|
| Longitude | -122.086 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32 | 0 | 65 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.46 | WT% | XRF | |
| TIO2 | 0.74 | WT% | XRF | |
| AL2O3 | 14.41 | WT% | XRF | |
| FE2O3 | 1.69 | WT% | XRF | |
| FEO | 4.13 | WT% | UNKNOWN | |
| MNO | 0.16 | WT% | XRF | |
| MGO | 0.91 | WT% | XRF | |
| CAO | 4.77 | WT% | XRF | |
| NA2O | 3.58 | WT% | XRF | |
| K2O | 0.94 | WT% | XRF | |
| P2O5 | 0.2 | WT% | XRF | |
| MG_NUMBER | 29.5 | XRF | ||
| BA | 537 | PPM | UNKNOWN | |
| RB | 29 | PPM | UNKNOWN | |
| SR | 436 | PPM | UNKNOWN | |
| Y | 50 | PPM | UNKNOWN | |
| ZR | 326 | PPM | UNKNOWN | |
| NI | -20 | PPM | UNKNOWN | |
| CU | 26 | PPM | UNKNOWN | |
| ZN | 107 | PPM | UNKNOWN | |
| CR | -10 | PPM | UNKNOWN | |
| CO | 5 | PPM | EDXRF | |
| CR | 1 | PPM | EDXRF | |
| CU | 18 | PPM | EDXRF | |
| GA | 20 | PPM | EDXRF | |
| NI | -2 | PPM | EDXRF | |
| PB | 7 | PPM | EDXRF | |
| SC | 15 | PPM | EDXRF | |
| SR | 420 | PPM | EDXRF | |
| V | 5 | PPM | EDXRF | |
| Y | 49 | PPM | EDXRF | |
| ZN | 96 | PPM | EDXRF |