Sample 92-106
NavDat sample number 37173 · GRANITE
Sample
| Sample ID | 92-106 |
|---|---|
| Rock name | GRANITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.1208 |
|---|---|
| Longitude | -114.298 |
| Location | Lost Horse Canyon |
| State / province | Montana |
| Volcanic field | Idaho batholith, Bitterroot lobe, Bear Creek pluton |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 54.2 | 53.4 | 55 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.7 | WT% | XRF | |
| TIO2 | 0.17 | WT% | XRF | |
| AL2O3 | 15.25 | WT% | XRF | |
| FE2O3T | 1.33 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| MGO | 0.49 | WT% | XRF | |
| CAO | 1.79 | WT% | XRF | |
| NA2O | 4.48 | WT% | XRF | |
| K2O | 3.67 | WT% | XRF | |
| P2O5 | 0.06 | WT% | XRF | |
| BA | 1609 | PPM | XRF | |
| RB | 68 | PPM | XRF | |
| SR | 924 | PPM | XRF | |
| PB | 29 | PPM | XRF | |
| TH | 5 | PPM | XRF | |
| U | 1 | PPM | XRF | |
| LA | 18 | PPM | XRF | |
| CE | 23 | PPM | XRF | |
| Y | 6 | PPM | XRF | |
| ZR | 104 | PPM | XRF | |
| NB | 3 | PPM | XRF | |
| V | 9 | PPM | XRF | |
| CR | 12 | PPM | XRF | |
| NI | -1 | PPM | XRF | |
| CU | 5 | PPM | XRF | |
| ZN | 35 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| SC | 3 | PPM | XRF |
References
- Foster, David A; Fanning, C Mark (1997) Geochronology of the northern Idaho Batholith and the Bitterrootmetamorphic core complex; magmatism preceding and contemporaneous withextension. Geological Society of America Bulletin, vol.109, no.4, pp.379-394, Apr1997 doi:10.1130/0016-7606(1997)109<0379:GOTNIB>2.3.CO;2