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Sample M-140502
NavDat sample number 6577 · DACITE
Sample
| Sample ID | M-140502 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 46.2 |
|---|
| Longitude | -122.18 |
|---|
| State / province | Washington |
|---|
| Location comment | tephra layer Wn |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| -0.00153 |
|
0 |
-0.001683 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.35 | | WT% | XRF |
| AL2O3 | 16.59 | | WT% | XRF |
| FE2O3 | 3.83 | | WT% | XRF |
| MGO | 1.21 | | WT% | XRF |
| CAO | 3.87 | | WT% | XRF |
| NA2O | 4.48 | | WT% | XRF |
| K2O | 1.61 | | WT% | XRF |
| TIO2 | 0.49 | | WT% | XRF |
| P2O5 | 0.14 | | WT% | XRF |
| MNO | 0.067 | | WT% | XRF |
| ZRO2 | 0.018 | | WT% | XRF |
| CR2O3 | 0.001 | | WT% | XRF |
| NIO | 0.001 | | WT% | XRF |
| BAO | 0.044 | | WT% | XRF |
| SRO | 0.05 | | WT% | XRF |
