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Sample LC83-399
NavDat sample number 19974 · ANDESITE
Sample
| Sample ID | LC83-399 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 40.5431 |
|---|
| Longitude | -121.326 |
|---|
| Location | Lassen phase, hybrid lavas |
|---|
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 0.15 |
|
0 |
0.3 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 54.85 | | WT% | XRF |
| AL2O3 | 15.83 | | WT% | XRF |
| FE2O3 | 1.49 | | WT% | XRF |
| FEO | 5.36 | | WT% | XRF |
| MGO | 8.63 | | WT% | XRF |
| CAO | 8.73 | | WT% | XRF |
| NA2O | 3.02 | | WT% | XRF |
| K2O | 1.11 | | WT% | XRF |
| TIO2 | 0.67 | | WT% | XRF |
| P2O5 | 0.14 | | WT% | XRF |
| MNO | 0.12 | | WT% | XRF |
| RB | 68 | | PPM | XRF |
| SR | 364 | | PPM | XRF |
| BA | 806 | | PPM | XRF |
| Y | 17 | | PPM | XRF |
| ZR | 163 | | PPM | XRF |
| NB | 8 | | PPM | XRF |
| CO | 35.9 | | PPM | XRF |
| CR | 514 | | PPM | XRF |
| CS | 1.52 | | PPM | XRF |
| HF | 2.11 | | PPM | XRF |
| TA | 0.377 | | PPM | XRF |
| TH | 2.94 | | PPM | XRF |
| U | 1.19 | | PPM | XRF |
| SC | 26.4 | | PPM | XRF |
| LA | 9.95 | | PPM | XRF |
| SM | 2.72 | | PPM | XRF |
| EU | 0.74 | | PPM | XRF |
| YB | 1.61 | | PPM | XRF |
| PB | 6 | | PPM | XRF |
| SR87_SR86 | 0.70406 | | | MS |
| PB206_PB204 | 18.973 | | | MS |
| PB207_PB204 | 15.627 | | | MS |
| PB208_PB204 | 38.644 | | | MS |
| ND143_ND144 | 0.512819 | | | MS |
| TOTAL | 99.84 | | WT% | XRF |
References
- Muffler, L J Patrick (prefacer) (1990) Stratigraphic, lithologic, and major element geochemical constraintson magmatic evolution at Lassen volcanic center, California. Journal of Geophysical Research, vol.95, no.B12, pp.19,651-19,669, 10Nov 1990