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Sample 84-32
NavDat sample number 21574 · ANDESITE
Sample
| Sample ID | 84-32 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 43.2581 |
|---|
| Longitude | -116.751 |
|---|
| Location | Salmon Creek area |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Salmon Creek volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 29 |
|
24 |
34 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 55.76 | | WT% | XRF |
| TIO2 | 1.01 | | WT% | XRF |
| AL2O3 | 17.37 | | WT% | XRF |
| FE2O3T | 6.86 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 4.57 | | WT% | XRF |
| CAO | 7.03 | | WT% | XRF |
| NA2O | 4.7 | | WT% | XRF |
| K2O | 1.7 | | WT% | XRF |
| P2O5 | 0.47 | | WT% | XRF |
| LOI | 0.15 | | WT% | XRF |
| TOTAL | 99.73 | | WT% | XRF |
| RB | 22 | | PPM | XRF |
| SR | 1200 | | PPM | XRF |
| BA | 954 | | PPM | XRF |
| Y | 13 | | PPM | XRF |
| ZR | 81 | | PPM | XRF |
| V | 172 | | PPM | XRF |
| NI | 50 | | PPM | XRF |
| CR | 106 | | PPM | XRF |
| LA | 33.2 | | PPM | MS |
| CE | 66.4 | | PPM | MS |
| PR | 6.95 | | PPM | MS |
| ND | 28.6 | | PPM | MS |
| SM | 4.88 | | PPM | MS |
| EU | 1.3 | | PPM | MS |
| GD | 3.67 | | PPM | MS |
| HO | 0.53 | | PPM | MS |
| ER | 1.47 | | PPM | MS |
| YB | 1.3 | | PPM | MS |
| U | 1.19 | | PPM | MS |
| TH | 3.23 | | PPM | MS |
| PB | 6.14 | | PPM | MS |
| NB | 10.9 | | PPM | MS |
| HF | 3.56 | | PPM | MS |
| CS | 0.59 | | PPM | MS |
| W | 1.21 | | PPM | MS |
| MO | 1.74 | | PPM | MS |
References
- Norman, Marc D; Mertzman, Stanley A (1991) Petrogenesis of Challis Volcanics from central and southwestern Idaho;trace element and Pb isotopic evidence. Journal of Geophysical Research, B, Solid Earth and Planets, vol.96,no.8, pp.13,279-13,293, 30 Jul 1991 doi:10.1029/91JB00285