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Sample CT-25
NavDat sample number 7203 · ANDESITE
Sample
| Sample ID | CT-25 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.8203 |
|---|
| Longitude | -121.999 |
|---|
| State / province | Oregon |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 24 |
|
21 |
27 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 57.71 | | WT% | XRF |
| TIO2 | 1.32 | | WT% | XRF |
| AL2O3 | 17.17 | | WT% | XRF |
| FEOT | 8.53 | | WT% | XRF |
| MNO | 0.13 | | WT% | XRF |
| MGO | 2.04 | | WT% | XRF |
| CAO | 6.97 | | WT% | XRF |
| NA2O | 3.86 | | WT% | XRF |
| K2O | 1.89 | | WT% | XRF |
| P2O5 | 0.38 | | WT% | XRF |
| TOTAL | 100.1 | | WT% | XRF |
| LOI | 2.14 | | WT% | XRF |
| BA | 637 | | PPM | INAA |
| RB | 57 | | PPM | XRF |
| SR | 365 | | PPM | XRF |
| ZR | 238 | | PPM | XRF |
| NI | 6 | | PPM | XRF |
