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Sample LM80-884
NavDat sample number 19951 · ANDESITE
Sample
| Sample ID | LM80-884 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 40.6487 |
|---|
| Longitude | -121.796 |
|---|
| 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 | 56.64 | | WT% | XRF |
| AL2O3 | 17.14 | | WT% | XRF |
| FE2O3 | 1.5 | | WT% | XRF |
| FEO | 5.41 | | WT% | XRF |
| MGO | 4.34 | | WT% | XRF |
| CAO | 7.85 | | WT% | XRF |
| NA2O | 3.98 | | WT% | XRF |
| K2O | 1.55 | | WT% | XRF |
| TIO2 | 1.07 | | WT% | XRF |
| P2O5 | 0.37 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| RB | 37 | | PPM | XRF |
| SR | 603 | | PPM | XRF |
| BA | 641 | | PPM | XRF |
| Y | 23 | | PPM | XRF |
| ZR | 172 | | PPM | XRF |
| NB | 8 | | PPM | XRF |
| CO | 22.9 | | PPM | XRF |
| CR | 69.9 | | PPM | XRF |
| CS | 1 | | PPM | XRF |
| HF | 4 | | PPM | XRF |
| TA | 0.64 | | PPM | XRF |
| TH | 4.9 | | PPM | XRF |
| U | 2 | | PPM | XRF |
| SC | 22.4 | | PPM | XRF |
| LA | 27 | | PPM | XRF |
| SM | 5.7 | | PPM | XRF |
| EU | 1.43 | | PPM | XRF |
| YB | 2 | | PPM | XRF |
| PB | 8.6 | | PPM | XRF |
| SR87_SR86 | 0.70404 | | | MS |
| PB206_PB204 | 18.9 | | | MS |
| PB207_PB204 | 15.603 | | | MS |
| PB208_PB204 | 38.539 | | | MS |
| ND143_ND144 | 0.512848 | | | MS |
| TOTAL | 100.6 | | 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