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Sample LC80-436B
NavDat sample number 19950 · ANDESITE
Sample
| Sample ID | LC80-436B |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 40.5289 |
|---|
| Longitude | -121.746 |
|---|
| Location | Brokeoff phase Stage I |
|---|
| State / province | California |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.54 |
|
0.47 |
0.6 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 55.28 | | WT% | XRF |
| AL2O3 | 15.82 | | WT% | XRF |
| FE2O3 | 1.5 | | WT% | XRF |
| FEO | 5.4 | | WT% | XRF |
| MGO | 7.99 | | WT% | XRF |
| CAO | 9.23 | | WT% | XRF |
| NA2O | 2.96 | | WT% | XRF |
| K2O | 0.84 | | WT% | XRF |
| TIO2 | 0.66 | | WT% | XRF |
| P2O5 | 0.16 | | WT% | XRF |
| MNO | 0.12 | | WT% | XRF |
| RB | 16 | | PPM | XRF |
| SR | 653 | | PPM | XRF |
| BA | 272 | | PPM | XRF |
| Y | 19 | | PPM | XRF |
| ZR | 99 | | PPM | XRF |
| NB | 2 | | PPM | XRF |
| CO | 33 | | PPM | XRF |
| PB | 4.3 | | PPM | XRF |
| SR87_SR86 | 0.70325 | | | MS |
| PB206_PB204 | 18.868 | | | MS |
| PB207_PB204 | 15.592 | | | MS |
| PB208_PB204 | 38.469 | | | MS |
| ND143_ND144 | 0.512891 | | | MS |
| TOTAL | 100.51 | | 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
