Sample 84z2a
NavDat sample number 31525
Sample
| Sample ID | 84z2a |
|---|---|
| Rock type | PLUTONIC |
| Material | IGNEOUS |
Location
| Latitude | 45.0733 |
|---|---|
| Longitude | -116.165 |
| Location | Idaho Batholith, western border zone |
| State / province | Idaho |
| Volcanic field | Little Goose Creek complex, western porphyritic orthogneiss |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 110 | 105 | 115 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| RB | 51 | PPM | MS-ID | |
| SR | 1003 | PPM | MS-ID | |
| SR87_SR86 | 0.70521 | TIMS | ||
| D18O | 8.9 | PERMILL | MS | |
| SIO2 | 66.4 | WT% | XRF | |
| AL2O3 | 17.5 | WT% | XRF | |
| FE2O3T | 2.85 | WT% | XRF | |
| MGO | 0.65 | WT% | XRF | |
| CAO | 3.93 | WT% | XRF | |
| NA2O | 4.4 | WT% | XRF | |
| K2O | 2.94 | WT% | XRF | |
| TIO2 | 0.37 | WT% | XRF | |
| P2O5 | 0.12 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| NB | 20 | PPM | XRF | |
| ZR | 254 | PPM | XRF | |
| Y | 13 | PPM | XRF | |
| CU | -2 | PPM | XRF | |
| NI | 6 | PPM | XRF | |
| ZN | 85 | PPM | XRF |
References
- Manduca, Cathryn A; Silver, Leon T; Taylor, Hugh P (1992) super 87 Sr/ super 86 Sr and super 18 O/ super 16 O isotopicsystematics and geochemistry of granitoid plutons across asteeply-dipping boundary between contrasting lithospheric blocks inwestern Idaho. Contributions to Mineralogy and Petrology, vol.109, no.3, pp.355-372,1992 doi:10.1007/BF00283324