Sample 9-18-91-3A
NavDat sample number 92321 · TEPHRITE
Sample
| Sample ID | 9-18-91-3A |
|---|---|
| Rock name | TEPHRITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.3758 |
|---|---|
| Longitude | -104.049 |
| Location | Mineral Hill |
| State / province | South Dakota |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 52 | 46 | 58 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 41.1 | WT% | XRF | |
| TIO2 | 1.62 | WT% | XRF | |
| AL2O3 | 12.2 | WT% | XRF | |
| FE2O3 | 14 | WT% | XRF | |
| FEOT | 15.56 | WT% | XRF | |
| FEO | 5.7 | WT% | XRF | |
| MNO | 0.21 | WT% | XRF | |
| MGO | 5.45 | WT% | XRF | |
| CAO | 12 | WT% | XRF | |
| NA2O | 1.77 | WT% | XRF | |
| K2O | 4.61 | WT% | XRF | |
| P2O5 | 1.62 | WT% | XRF | |
| CO2 | 3.14 | WT% | XRF | |
| LOI | 4.69 | WT% | XRF | |
| NB | 13 | PPM | XRF | |
| RB | 168 | PPM | XRF | |
| SR | -1500 | PPM | XRF | |
| ZR | 192 | PPM | XRF | |
| Y | 13 | PPM | XRF | |
| BA | 620 | PPM | XRF | |
| CE | 142 | PPM | XRF | |
| LA | 53 | PPM | XRF | |
| CU | 178 | PPM | XRF | |
| NI | 20 | PPM | XRF | |
| ZN | 63 | PPM | XRF | |
| CR | 39 | PPM | XRF | |
| H2O_PLUS | 1.88 | WT% | UNKNOWN | |
| H2O_MINUS | 0.36 | WT% | UNKNOWN | |
| CO2 | 3.14 | WT% | UNKNOWN | |
| TH | 13 | PPM | ICPMS | |
| U | 3.34 | PPM | ICPMS | |
| LA | 73 | PPM | ICPMS | |
| CE | 140 | PPM | ICPMS | |
| PR | 19 | PPM | ICPMS | |
| ND | 80 | PPM | ICPMS | |
| SM | 16 | PPM | ICPMS | |
| EU | 4.8 | PPM | ICPMS | |
| GD | 14 | PPM | ICPMS | |
| TB | 1.4 | PPM | ICPMS | |
| DY | 7 | PPM | ICPMS | |
| HO | 1.1 | PPM | ICPMS | |
| ER | 2.7 | PPM | ICPMS | |
| TM | 0.33 | PPM | ICPMS | |
| YB | 1.9 | PPM | ICPMS |