Sample BB84-4b
NavDat sample number 15055 · TRACHYANDESITE
Sample
| Sample ID | BB84-4b |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 29.2 |
|---|---|
| Longitude | -103.2 |
| Location | Bee Mountain Basalt, BBNP |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 34.5 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.96 | WT% | XRF | |
| TIO2 | 2.43 | WT% | XRF | |
| AL2O3 | 13.82 | WT% | XRF | |
| FE2O3T | 11.38 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| MGO | 3.65 | WT% | XRF | |
| CAO | 6.93 | WT% | XRF | |
| NA2O | 3.7 | WT% | XRF | |
| K2O | 2.67 | WT% | XRF | |
| P2O5 | 0.42 | WT% | XRF | |
| TOTAL | 101.12 | WT% | XRF | |
| SC | 24.42 | PPM | INAA | |
| CR | 3.23 | PPM | INAA | |
| ZN | 102 | PPM | INAA | |
| RB | 62 | PPM | INAA | |
| SR | 358 | PPM | XRF | |
| Y | 34.54 | PPM | XRF | |
| ZR | 600 | PPM | INAA | |
| NB | 15.17 | PPM | XRF | |
| CS | 0.48 | PPM | INAA | |
| BA | 833 | PPM | INAA | |
| LA | 37.1 | PPM | INAA | |
| CE | 75.1 | PPM | INAA | |
| ND | 43.8 | PPM | INAA | |
| SM | 8.32 | PPM | INAA | |
| EU | 2.48 | PPM | INAA | |
| TB | 1.28 | PPM | INAA | |
| YB | 3.26 | PPM | INAA | |
| LU | 0.43 | PPM | INAA | |
| HF | 6.18 | PPM | INAA | |
| TA | 1.45 | PPM | INAA | |
| TH | 4.83 | PPM | INAA | |
| U | 1.64 | PPM | INAA |