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Sample LC82-194
NavDat sample number 19955 · ANDESITE
Sample
| Sample ID | LC82-194 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 40.3886 |
|---|
| Longitude | -121.472 |
|---|
| Location | Brokeoff phase Stage II |
|---|
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 0.44 |
|
0.4 |
0.47 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 62.96 | | WT% | XRF |
| AL2O3 | 16.8 | | WT% | XRF |
| FE2O3 | 1.06 | | WT% | XRF |
| FEO | 3.81 | | WT% | XRF |
| MGO | 2.8 | | WT% | XRF |
| CAO | 5.41 | | WT% | XRF |
| NA2O | 3.85 | | WT% | XRF |
| K2O | 2.24 | | WT% | XRF |
| TIO2 | 0.72 | | WT% | XRF |
| P2O5 | 0.21 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| RB | 62 | | PPM | XRF |
| SR | 416 | | PPM | XRF |
| BA | 715 | | PPM | XRF |
| Y | 21 | | PPM | XRF |
| ZR | 171 | | PPM | XRF |
| NB | 7 | | PPM | XRF |
| CO | 15.1 | | PPM | XRF |
| CR | 45.6 | | PPM | XRF |
| CS | 1.8 | | PPM | XRF |
| HF | 4.1 | | PPM | XRF |
| TA | 0.66 | | PPM | XRF |
| TH | 7.6 | | PPM | XRF |
| U | 2.4 | | PPM | XRF |
| SC | 14 | | PPM | XRF |
| LA | 23 | | PPM | XRF |
| SM | 4.2 | | PPM | XRF |
| EU | 0.95 | | PPM | XRF |
| YB | 1.8 | | PPM | XRF |
| PB | 8.9 | | PPM | XRF |
| SR87_SR86 | 0.7042 | | | MS |
| PB206_PB204 | 18.595 | | | MS |
| PB207_PB204 | 15.611 | | | MS |
| PB208_PB204 | 38.621 | | | MS |
| ND143_ND144 | 0.512802 | | | MS |
| TOTAL | 99.87 | | 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