Sample VC86-99
NavDat sample number 119220 · ANDESITE
Sample
| Sample ID | VC86-99 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | LAVA FLOW |
Location
| Latitude | 30.5134 |
|---|---|
| Longitude | -114.957 |
| 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 | 55.38 | WT% | XRF | |
| TIO2 | 1.16 | WT% | XRF | |
| AL2O3 | 17.16 | WT% | XRF | |
| FEO | 5.27 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 6.51 | WT% | XRF | |
| CAO | 8.93 | WT% | XRF | |
| NA2O | 3.64 | WT% | XRF | |
| K2O | 1.47 | WT% | XRF | |
| P2O5 | 0.37 | WT% | XRF | |
| TOTAL | 100.21 | WT% | XRF | |
| RB | 28.5 | PPM | ICPMS | |
| BA | 850 | PPM | ICPMS | |
| SR | 818 | PPM | XRF | |
| NB | 9.81 | PPM | ICPMS | |
| ZR | 180 | PPM | XRF | |
| Y | 21.6 | PPM | ICPMS | |
| CS | 0.71 | PPM | ICPMS | |
| TH | 3.06 | PPM | ICPMS | |
| TA | 0.56 | PPM | ICPMS | |
| U | 0.86 | PPM | ICPMS | |
| V | 151 | PPM | XRF | |
| CR | 270 | PPM | XRF | |
| NI | 145 | PPM | XRF | |
| PB | 8.59 | PPM | ICPMS | |
| GA | 19 | PPM | XRF | |
| ZN | 81 | PPM | XRF | |
| HF | 3.69 | PPM | ICPMS | |
| LA | 29.1 | PPM | ICPMS | |
| CE | 57.1 | PPM | ICPMS | |
| PR | 7.11 | PPM | ICPMS | |
| ND | 30 | PPM | ICPMS | |
| SM | 6.41 | PPM | ICPMS | |
| EU | 1.85 | PPM | ICPMS | |
| GD | 5.76 | PPM | ICPMS | |
| TB | 0.79 | PPM | ICPMS | |
| DY | 4.37 | PPM | ICPMS | |
| HO | 0.83 | PPM | ICPMS | |
| ER | 2.25 | PPM | ICPMS | |
| TM | 0.3 | PPM | ICPMS | |
| YB | 1.88 | PPM | ICPMS | |
| LU | 0.28 | 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