Sample OPG-508
NavDat sample number 93228 · ANDESITE
Sample
| Sample ID | OPG-508 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Church and Barakso |
| Comment | Plagioclase-phyric lava flow from uppermost part of the Goosly Lake Formation |
Location
| Latitude | 54.0318 |
|---|---|
| Longitude | -126.067 |
| State / province | British Columbia |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 52 | 46.8 | 57.2 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.94 | WT% | XRF | |
| TIO2 | 0.85 | WT% | XRF | |
| AL2O3 | 15.22 | WT% | XRF | |
| FE2O3T | 5.99 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 2.6 | WT% | XRF | |
| CAO | 4.79 | WT% | XRF | |
| NA2O | 3.9 | WT% | XRF | |
| K2O | 3.2 | WT% | XRF | |
| P2O5 | 0.46 | WT% | XRF | |
| LOI | 1.6 | WT% | XRF | |
| CR | 67 | PPM | XRF | |
| NI | 38 | PPM | XRF | |
| CO | 14 | PPM | XRF | |
| V | 114 | PPM | XRF | |
| ZN | 105 | PPM | XRF | |
| RB | 91 | PPM | XRF | |
| BA | 1374 | PPM | XRF | |
| SR | 705 | PPM | XRF | |
| NB | 15 | PPM | ICPMS | |
| ZR | 226 | PPM | ICPMS | |
| Y | 21 | PPM | ICPMS | |
| TH | 9 | PPM | ICPMS | |
| LA | 39 | PPM | ICPMS | |
| CE | 54 | PPM | ICPMS |
References
- Dostal, Jarda; Church, B N; Reynolds, Peter H; Hopkinson, L (2001) Eocene volcanism in the Buck Creek basin, central British Columbia(Canada); transition from arc to extensional volcanism. Journal of Volcanology and Geothermal Research, vol.107, no.1-3,pp.149-170, Jun 2001 doi:10.1016/S0377-0273(00)00261-4