← Search
Sample NA-199
NavDat sample number 6983 · ANDESITE
Sample
| Sample ID | NA-199 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 42.041 |
|---|
| Longitude | -122.42 |
|---|
| State / province | Oregon |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 40 |
|
35 |
45 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 61.29 | | WT% | XRF |
| TIO2 | 0.57 | | WT% | XRF |
| AL2O3 | 19.85 | | WT% | XRF |
| FEOT | 5.26 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 1.59 | | WT% | AAS |
| CAO | 6.04 | | WT% | XRF |
| NA2O | 3.79 | | WT% | XRF |
| K2O | 1.4 | | WT% | XRF |
| P2O5 | 0.18 | | WT% | XRF |
| TOTAL | 100.4 | | WT% | XRF |
| LOI | 2.13 | | WT% | XRF |
| RB | 12 | | PPM | XRF |
| SR | 428 | | PPM | XRF |
| ZR | 129 | | PPM | XRF |
| NI | 5 | | PPM | XRF |
