Sample J-8
NavDat sample number 15825 · TRACHYANDESITE
Sample
| Sample ID | J-8 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 29.4067 |
|---|---|
| Longitude | -104.098 |
| Location | Saucedas Lavas Member, Rawls Formation across arroyo |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.1 | 26.8 | 27.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 51.44 | WT% | UNKNOWN | |
| TIO2 | 2.27 | WT% | UNKNOWN | |
| AL2O3 | 16.92 | WT% | UNKNOWN | |
| FEOT | 9.29 | WT% | UNKNOWN | |
| MNO | 0.16 | WT% | UNKNOWN | |
| MGO | 4.36 | WT% | UNKNOWN | |
| CAO | 6.73 | WT% | UNKNOWN | |
| NA2O | 3.85 | WT% | UNKNOWN | |
| K2O | 3.7 | WT% | UNKNOWN | |
| P2O5 | 1.27 | WT% | UNKNOWN | |
| TOTAL | 99.99 | WT% | UNKNOWN | |
| SC | 12 | PPM | UNKNOWN | |
| V | 92 | PPM | UNKNOWN | |
| CR | 3.1 | PPM | UNKNOWN | |
| NI | 12 | PPM | UNKNOWN | |
| ZN | 128 | PPM | UNKNOWN | |
| RB | 69 | PPM | UNKNOWN | |
| SR | 640 | PPM | UNKNOWN | |
| Y | 48 | PPM | UNKNOWN | |
| ZR | 388 | PPM | UNKNOWN | |
| NB | 54.3 | PPM | UNKNOWN | |
| CS | 2.13 | PPM | UNKNOWN | |
| BA | 1189 | PPM | UNKNOWN | |
| LA | 65 | PPM | UNKNOWN | |
| CE | 139 | PPM | UNKNOWN | |
| ND | 65 | PPM | UNKNOWN | |
| SM | 12.6 | PPM | UNKNOWN | |
| EU | 3.94 | PPM | UNKNOWN | |
| TB | 1.91 | PPM | UNKNOWN | |
| YB | 3.8 | PPM | UNKNOWN | |
| LU | 0.47 | PPM | UNKNOWN | |
| HF | 10.7 | PPM | UNKNOWN | |
| TA | 3.13 | PPM | UNKNOWN | |
| TH | 7.2 | PPM | UNKNOWN | |
| U | 0.98 | PPM | UNKNOWN |