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Sample LC81-846
NavDat sample number 19975 · ANDESITE
Sample
| Sample ID | LC81-846 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 40.5139 |
|---|
| Longitude | -121.465 |
|---|
| 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 | 60.52 | | WT% | XRF |
| AL2O3 | 17.83 | | WT% | XRF |
| FE2O3 | 1.1 | | WT% | XRF |
| FEO | 3.98 | | WT% | XRF |
| MGO | 3.64 | | WT% | XRF |
| CAO | 6.29 | | WT% | XRF |
| NA2O | 4.06 | | WT% | XRF |
| K2O | 1.68 | | WT% | XRF |
| TIO2 | 0.62 | | WT% | XRF |
| P2O5 | 0.15 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| RB | 47 | | PPM | XRF |
| SR | 484 | | PPM | XRF |
| BA | 489 | | PPM | XRF |
| Y | 15 | | PPM | XRF |
| ZR | 113 | | PPM | XRF |
| NB | 5 | | PPM | XRF |
| CO | 17.9 | | PPM | XRF |
| CR | 59.1 | | PPM | XRF |
| CS | 2 | | PPM | XRF |
| HF | 2.4 | | PPM | XRF |
| TA | 0.37 | | PPM | XRF |
| TH | 5.4 | | PPM | XRF |
| U | 1.5 | | PPM | XRF |
| SC | 14.3 | | PPM | XRF |
| LA | 14 | | PPM | XRF |
| SM | 2.7 | | PPM | XRF |
| EU | 0.79 | | PPM | XRF |
| YB | 1.3 | | PPM | XRF |
| PB | 6.8 | | PPM | XRF |
| SR87_SR86 | 0.70422 | | | MS |
| PB206_PB204 | 18.943 | | | MS |
| PB207_PB204 | 15.609 | | | MS |
| PB208_PB204 | 38.61 | | | MS |
| ND143_ND144 | 0.51278 | | | MS |
| TOTAL | 100.3 | | 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