Sample 252
NavDat sample number 8626 · PYROCLASTIC-FALL
Sample
| Sample ID | 252 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Porphyritic |
Location
| Latitude | 20.6694 |
|---|---|
| Longitude | -103.553 |
| Location | A. El Gallo, east of C. El Pedernal |
| State / province | Jalisco |
| Location comment | Tala Tuff |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.1 | 0.085 | 0.105 |
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.16 | WT% | WET | |
| SIO2 | 66.9 | WT% | EPMA | |
| TIO2 | 0.13 | WT% | WET | |
| AL2O3 | 11.53 | WT% | WET | |
| AL2O3 | 19.5 | WT% | EPMA | |
| FE2O3 | 1.12 | WT% | WET | |
| FE2O3 | 0.2 | WT% | EPMA | |
| FEO | 0.59 | WT% | WET | |
| MNO | 0.04 | WT% | WET | |
| MGO | 0.04 | WT% | WET | |
| CAO | 0.16 | WT% | WET | |
| CAO | 0.15 | WT% | EPMA | |
| NA2O | 3.67 | WT% | FPHOT | |
| NA2O | 6.71 | WT% | EPMA | |
| K2O | 4.75 | WT% | FPHOT | |
| K2O | 5.32 | WT% | EPMA | |
| H2O_PLUS | 3.31 | WT% | PENFIELD | |
| F | 0.09 | WT% | SIE | |
| CL | 0.13 | WT% | SIE | |
| TOTAL | 99.65 | WT% | WET | |
| TOTAL | 100.7 | WT% | EPMA | |
| SC | 1.01 | PPM | INAA | |
| CO | 0.4 | PPM | INAA | |
| ZN | 105 | PPM | XRF | |
| RB | 174 | PPM | XRF | |
| Y | 50 | PPM | XRF | |
| ZR | 519 | PPM | XRF | |
| NB | 66 | PPM | XRF | |
| SB | 0.5 | PPM | INAA | |
| CS | 3.5 | PPM | INAA | |
| LA | 66 | PPM | INAA | |
| CE | 140 | PPM | INAA | |
| ND | 54 | PPM | INAA | |
| SM | 11.6 | PPM | INAA | |
| EU | 0.07 | PPM | INAA | |
| GD | 9.1 | PPM | INAA | |
| TB | 1.6 | PPM | INAA | |
| TM | 0.88 | PPM | INAA | |
| YB | 6 | PPM | INAA | |
| LU | 0.88 | PPM | INAA | |
| HF | 13.2 | PPM | INAA | |
| TA | 3.83 | PPM | INAA | |
| PB | 18 | PPM | XRF | |
| TH | 19 | PPM | INAA | |
| U | 6.1 | PPM | INAA |