← Search
Sample KR550T
NavDat sample number 21649 · GRANODIORITE
Sample
| Sample ID | KR550T |
|---|
| Rock name | GRANODIORITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 44.03 |
|---|
| Longitude | -115.386 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Spout Creek stock |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 48 |
|
47 |
50 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 64.8 | | WT% | XRF |
| TIO2 | 0.7 | | WT% | XRF |
| AL2O3 | 15.4 | | WT% | XRF |
| FE2O3 | 1.88 | | WT% | XRF |
| FEO | 2.3 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| MGO | 2.3 | | WT% | XRF |
| CAO | 3.38 | | WT% | XRF |
| NA2O | 3.6 | | WT% | XRF |
| K2O | 4.19 | | WT% | XRF |
| P2O5 | 0.3 | | WT% | XRF |
| H2O_PLUS | 0.54 | | WT% | XRF |
| H2O_MINUS | 0.16 | | WT% | XRF |
| CO2 | 0.02 | | WT% | XRF |
| TOTAL | 99.7 | | WT% | XRF |
| RB | 70 | | PPM | ICP |
| SR | 490 | | PPM | ICP |
| Y | 21 | | PPM | ICP |
| ZR | 199 | | PPM | ICP |
| BA | 1423 | | 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