Sample BB83-21
NavDat sample number 15047 · TRACHYBASALT
Sample
| Sample ID | BB83-21 |
|---|---|
| Rock name | TRACHYBASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 29.1667 |
|---|---|
| Longitude | -103.45 |
| Location | Alamo Creek Basalt, BBNP |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 47 | 38 | 48 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 47.14 | WT% | XRF | |
| TIO2 | 2.5 | WT% | XRF | |
| AL2O3 | 16.26 | WT% | XRF | |
| FE2O3T | 1.93 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| MGO | 5.65 | WT% | XRF | |
| CAO | 8.68 | WT% | XRF | |
| NA2O | 3.85 | WT% | XRF | |
| K2O | 1.51 | WT% | XRF | |
| P2O5 | 0.56 | WT% | XRF | |
| TOTAL | 96.19 | WT% | XRF | |
| SC | 21.5 | PPM | INAA | |
| CR | 18.1 | PPM | INAA | |
| ZN | 109 | PPM | INAA | |
| RB | 15 | PPM | INAA | |
| SR | 542 | PPM | XRF | |
| Y | 25.28 | PPM | XRF | |
| ZR | 171 | PPM | INAA | |
| NB | 11.27 | PPM | XRF | |
| CS | 2.36 | PPM | INAA | |
| BA | 4350 | PPM | INAA | |
| LA | 23.74 | PPM | INAA | |
| CE | 52.6 | PPM | INAA | |
| ND | 30.2 | PPM | INAA | |
| SM | 6.15 | PPM | INAA | |
| EU | 2.18 | PPM | INAA | |
| TB | 1.17 | PPM | INAA | |
| YB | 2.04 | PPM | INAA | |
| LU | 0.28 | PPM | INAA | |
| HF | 4.66 | PPM | INAA | |
| TA | 1.18 | PPM | INAA | |
| TH | 1.8 | PPM | INAA | |
| U | 0.6 | PPM | INAA |