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Sample M-140494
NavDat sample number 6582 · DACITE
Sample
| Sample ID | M-140494 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 46.2 |
|---|
| Longitude | -122.18 |
|---|
| State / province | Washington |
|---|
| Location comment | Summit dome |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| -0.00163 |
|
0 |
-0.001793 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 64 | | WT% | XRF |
| AL2O3 | 17.14 | | WT% | XRF |
| FE2O3 | 4.86 | | WT% | XRF |
| MGO | 2.09 | | WT% | XRF |
| CAO | 4.95 | | WT% | XRF |
| NA2O | 4.5 | | WT% | XRF |
| K2O | 1.49 | | WT% | XRF |
| TIO2 | 0.64 | | WT% | XRF |
| P2O5 | 0.15 | | WT% | XRF |
| MNO | 0.073 | | WT% | XRF |
| ZRO2 | 0.015 | | WT% | XRF |
| CR2O3 | 0.002 | | WT% | XRF |
| NIO | 0.001 | | WT% | XRF |
| BAO | 0.037 | | WT% | XRF |
| SRO | 0.055 | | WT% | XRF |
