Sample 496
NavDat sample number 40765 · DACITE
Sample
| Sample ID | 496 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | I-type |
Location
| Latitude | 33.7572 |
|---|---|
| Longitude | -102.152 |
| State / province | Texas |
| County | Lamb |
| Location comment | sec119 blkA Thompson Surv. |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1385 | 1370 | 1400 |
Analyses
WR
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.13 | WT% | ICPMS | |
| TIO2 | 0.76 | WT% | ICPMS | |
| AL2O3 | 16.83 | WT% | ICPMS | |
| FE2O3 | 4.54 | WT% | ICPMS | |
| MNO | 0.05 | WT% | ICPMS | |
| MGO | 1.08 | WT% | ICPMS | |
| CAO | 0.57 | WT% | ICPMS | |
| NA2O | 6.23 | WT% | ICPMS | |
| K2O | 4.2 | WT% | ICPMS | |
| P2O5 | 0.3 | WT% | ICPMS | |
| TOTAL | 99.69 | WT% | ICPMS | |
| RB | 120 | PPM | ICPMS | |
| SR | 195 | PPM | ICPMS | |
| ZR | 255 | PPM | ICPMS | |
| BA | 983 | PPM | ICPMS | |
| Y | 32.3 | PPM | ICPMS | |
| NB | 11 | PPM | ICPMS | |
| SC | 8.4 | PPM | ICPMS | |
| V | 56 | PPM | ICPMS | |
| CR | 100 | PPM | ICPMS | |
| NI | 5 | PPM | ICPMS | |
| CU | 9 | PPM | ICPMS | |
| ZN | 62 | PPM | ICPMS | |
| SM | 3.96 | PPM | TIMS | |
| ND | 18.69 | PPM | TIMS | |
| SM147_ND144 | 0.1282 | TIMS | ||
| ND143_ND144 | 0.512061 | TIMS | ||
| E_ND | -11.3 | TIMS | ||
| ND143_ND144_INITIAL | 0.8 | TIMS |