Sample VP-1
NavDat sample number 119224 · ANDESITE
Sample
| Sample ID | VP-1 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | LAVA FLOW |
Location
| Latitude | 30.2356 |
|---|---|
| Longitude | -114.649 |
| Location | PUERTECITOS VOLCANIC PROVINCE |
| State / province | BAJA CALIFORNIA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2.6 | 2.5 | 2.7 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.63 | WT% | XRF | |
| TIO2 | 0.64 | WT% | XRF | |
| AL2O3 | 16.93 | WT% | XRF | |
| FEO | 3.72 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 4.8 | WT% | XRF | |
| CAO | 6.8 | WT% | XRF | |
| NA2O | 4.36 | WT% | XRF | |
| K2O | 0.9 | WT% | XRF | |
| P2O5 | 0.14 | WT% | XRF | |
| TOTAL | 100.01 | WT% | XRF | |
| RB | 12.1 | PPM | ICPMS | |
| BA | 441 | PPM | ICPMS | |
| SR | 408 | PPM | XRF | |
| NB | 3.43 | PPM | ICPMS | |
| ZR | 110 | PPM | XRF | |
| Y | 13.8 | PPM | ICPMS | |
| CS | 0.19 | PPM | ICPMS | |
| TH | 1.03 | PPM | ICPMS | |
| TA | 0.23 | PPM | ICPMS | |
| U | 0.38 | PPM | ICPMS | |
| NI | 119 | PPM | XRF | |
| PB | 4.11 | PPM | ICPMS | |
| HF | 2.71 | PPM | ICPMS | |
| LA | 10.7 | PPM | ICPMS | |
| CE | 21.8 | PPM | ICPMS | |
| PR | 2.75 | PPM | ICPMS | |
| ND | 11.8 | PPM | ICPMS | |
| SM | 2.94 | PPM | ICPMS | |
| EU | 0.95 | PPM | ICPMS | |
| GD | 2.97 | PPM | ICPMS | |
| TB | 0.46 | PPM | ICPMS | |
| DY | 2.74 | PPM | ICPMS | |
| HO | 0.55 | PPM | ICPMS | |
| ER | 1.54 | PPM | ICPMS | |
| TM | 0.21 | PPM | ICPMS | |
| YB | 1.32 | PPM | ICPMS | |
| LU | 0.2 | PPM | ICPMS |
References
- Martin-Barajas, Arturo; Stock, Joann M; Layer, Paul; Hausback, Brian; Renne, Paul; Lopez-Martinez, Margarita (1995) Arc-rift transition volcanism in the Puertecitos volcanic province, northeastern Baja California, Mexico. Geological Society of America Bulletin, vol.107, no.4, pp.407-424, Apr 1995 doi:10.1130/0016-7606(1995)107<0407:ARTVIT>2.3.CO;2