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Sample LC85-715
NavDat sample number 19978 · ANDESITE
Sample
| Sample ID | LC85-715 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 40.5117 |
|---|
| Longitude | -121.51 |
|---|
| Location | Lassen phase, quenched magmatic inclusions |
|---|
| State / province | California |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.2 |
|
0 |
0.4 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 53.61 | | WT% | XRF |
| AL2O3 | 18.91 | | WT% | XRF |
| FE2O3 | 1.7 | | WT% | XRF |
| FEO | 6.13 | | WT% | XRF |
| MGO | 5.08 | | WT% | XRF |
| CAO | 10.16 | | WT% | XRF |
| NA2O | 2.71 | | WT% | XRF |
| K2O | 0.77 | | WT% | XRF |
| TIO2 | 0.69 | | WT% | XRF |
| P2O5 | 0.08 | | WT% | XRF |
| MNO | 0.14 | | WT% | XRF |
| RB | 12 | | PPM | XRF |
| SR | 585 | | PPM | XRF |
| BA | 172 | | PPM | XRF |
| Y | 15 | | PPM | XRF |
| ZR | 68 | | PPM | XRF |
| NB | 3 | | PPM | XRF |
| PB | 2.6 | | PPM | XRF |
| SR87_SR86 | 0.70372 | | | MS |
| PB206_PB204 | 18.886 | | | MS |
| PB207_PB204 | 15.597 | | | MS |
| PB208_PB204 | 38.522 | | | MS |
| ND143_ND144 | 0.512828 | | | MS |
| TOTAL | 100.25 | | 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
