Sample 9M20A
NavDat sample number 33586 · DACITE
Sample
| Sample ID | 9M20A |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Td1 |
Location
| Latitude | 46.4967 |
|---|---|
| Longitude | -122.205 |
| 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 | 69.96 | WT% | XRF | |
| TIO2 | 0.63 | WT% | XRF | |
| AL2O3 | 14.43 | WT% | XRF | |
| FE2O3 | 1.8 | WT% | XRF | |
| FEO | 3.06 | WT% | UNKNOWN | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 0.79 | WT% | XRF | |
| CAO | 2.37 | WT% | XRF | |
| NA2O | 4.64 | WT% | XRF | |
| K2O | 2.07 | WT% | XRF | |
| P2O5 | 0.15 | WT% | XRF | |
| MG_NUMBER | 30 | XRF | ||
| BA | 437 | PPM | UNKNOWN | |
| RB | 49 | PPM | UNKNOWN | |
| SR | 140 | PPM | UNKNOWN | |
| Y | 44 | PPM | UNKNOWN | |
| ZR | 365 | PPM | UNKNOWN | |
| NI | -20 | PPM | UNKNOWN | |
| CU | 33 | PPM | UNKNOWN | |
| ZN | 85 | PPM | UNKNOWN | |
| CR | -10 | PPM | UNKNOWN | |
| CO | 6 | PPM | EDXRF | |
| CR | 2 | PPM | EDXRF | |
| CU | 33 | PPM | EDXRF | |
| GA | 19 | PPM | EDXRF | |
| NI | -2 | PPM | EDXRF | |
| PB | 13 | PPM | EDXRF | |
| SC | 13 | PPM | EDXRF | |
| SR | 140 | PPM | EDXRF | |
| V | 4 | PPM | EDXRF | |
| Y | 52 | PPM | EDXRF | |
| ZN | 110 | PPM | EDXRF |