Sample 85z8
NavDat sample number 31530
Sample
| Sample ID | 85z8 |
|---|---|
| Rock type | PLUTONIC |
| Material | IGNEOUS |
Location
| Latitude | 45.1733 |
|---|---|
| Longitude | -116.145 |
| 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 | 27 | PPM | MS-ID | |
| SR | 1067 | PPM | MS-ID | |
| SR87_SR86 | 0.70549 | TIMS | ||
| D18O | 9.3 | PERMILL | MS | |
| SIO2 | 67.1 | WT% | XRF | |
| AL2O3 | 17.9 | WT% | XRF | |
| FE2O3T | 2.18 | WT% | XRF | |
| MGO | 0.65 | WT% | XRF | |
| CAO | 3.85 | WT% | XRF | |
| NA2O | 5.25 | WT% | XRF | |
| K2O | 1.68 | WT% | XRF | |
| TIO2 | 0.35 | WT% | XRF | |
| P2O5 | 0.12 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| NB | 9 | PPM | XRF | |
| ZR | 192 | PPM | XRF | |
| Y | 1 | PPM | XRF | |
| CU | -2 | PPM | XRF | |
| NI | 4 | PPM | XRF | |
| ZN | 73 | 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