Sample Tr-31
NavDat sample number 15809 · TRACHYANDESITE
Sample
| Sample ID | Tr-31 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 29.3367 |
|---|---|
| Longitude | -104.053 |
| Location | Sauceda Lavas Member, Rawls Formation, in Arroyo across from river access |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.1 | 18 | 28 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 52.92 | WT% | UNKNOWN | |
| TIO2 | 2.28 | WT% | UNKNOWN | |
| AL2O3 | 15.64 | WT% | UNKNOWN | |
| FEOT | 9.97 | WT% | UNKNOWN | |
| MNO | 0.19 | WT% | UNKNOWN | |
| MGO | 3.93 | WT% | UNKNOWN | |
| CAO | 5.41 | WT% | UNKNOWN | |
| NA2O | 3.74 | WT% | UNKNOWN | |
| K2O | 4.98 | WT% | UNKNOWN | |
| P2O5 | 0.93 | WT% | UNKNOWN | |
| TOTAL | 99.99 | WT% | UNKNOWN | |
| SC | 23.7 | PPM | UNKNOWN | |
| V | 57 | PPM | UNKNOWN | |
| ZN | 148 | PPM | UNKNOWN | |
| RB | 78 | PPM | UNKNOWN | |
| SR | 527 | PPM | UNKNOWN | |
| Y | 52.6 | PPM | UNKNOWN | |
| ZR | 484 | PPM | UNKNOWN | |
| NB | 53.5 | PPM | UNKNOWN | |
| CS | 7.71 | PPM | UNKNOWN | |
| BA | 1299 | PPM | UNKNOWN | |
| LA | 72 | PPM | UNKNOWN | |
| CE | 143 | PPM | UNKNOWN | |
| ND | 72 | PPM | UNKNOWN | |
| SM | 13.8 | PPM | UNKNOWN | |
| EU | 4.04 | PPM | UNKNOWN | |
| TB | 2.41 | PPM | UNKNOWN | |
| YB | 4.14 | PPM | UNKNOWN | |
| LU | 0.55 | PPM | UNKNOWN | |
| HF | 10.9 | PPM | UNKNOWN | |
| TA | 7.87 | PPM | UNKNOWN | |
| TH | 8.53 | PPM | UNKNOWN |