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Sample 636B
NavDat sample number 88045 · GRANODIORITE
Sample
| Sample ID | 636B |
|---|
| Rock name | GRANODIORITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Hildreth and others |
|---|
| Comment | Small porphyritic granodiorite stock |
|---|
Location
| Latitude | 48.8187 |
|---|
| Longitude | -121.792 |
|---|
| Location | Bar Creek |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.674 |
|
0.511 |
0.837 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.4 | | WT% | XRF |
| TIO2 | 0.78 | | WT% | XRF |
| AL2O3 | 16.14 | | WT% | XRF |
| FEOT | 4.29 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| MGO | 1.74 | | WT% | XRF |
| CAO | 4.28 | | WT% | XRF |
| NA2O | 4.17 | | WT% | XRF |
| K2O | 2.47 | | WT% | XRF |
| P2O5 | 0.2 | | WT% | XRF |
| LOI | 2.57 | | WT% | XRF |
| TOTAL | 95.47 | | WT% | XRF |
| RB | 39 | | PPM | XRF |
| SR | 460 | | PPM | XRF |
| Y | 26 | | PPM | XRF |
| ZR | 255 | | PPM | XRF |
| BA | 932 | | PPM | XRF |
