← Search
Sample 8725K
NavDat sample number 21639 · GRANITE
Sample
| Sample ID | 8725K |
|---|
| Rock name | GRANITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 43.7814 |
|---|
| Longitude | -115.32 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Sheep Creek batholith |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 46 |
|
44 |
48 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 76.8 | | WT% | XRF |
| TIO2 | 0.1 | | WT% | XRF |
| AL2O3 | 12.1 | | WT% | XRF |
| FE2O3 | 0.37 | | WT% | XRF |
| FEO | 0.64 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 0.15 | | WT% | XRF |
| CAO | 0.72 | | WT% | XRF |
| NA2O | 3.51 | | WT% | XRF |
| K2O | 4.17 | | WT% | XRF |
| P2O5 | -0.05 | | WT% | XRF |
| H2O_PLUS | 0.34 | | WT% | XRF |
| H2O_MINUS | 0.12 | | WT% | XRF |
| TOTAL | 99.1 | | WT% | XRF |
| RB | 186 | | PPM | ICP |
| SR | 82 | | PPM | ICP |
| Y | 23 | | PPM | ICP |
| ZR | 80 | | PPM | ICP |
| BA | 153 | | PPM | ICP |
| NB | 35 | | PPM | ICP |
| LA | 16 | | PPM | ICP |
| CE | 33 | | PPM | ICP |
References
- Lewis, Reed S; Kiilsgaard, Thor H (1991) Eocene plutonic rocks in south central Idaho. Journal of Geophysical Research, B, Solid Earth and Planets, vol.96, no.8, pp.13,295-13,311, 30 Jul 1991 doi:10.1029/91JB00601