Sample SM-7B
NavDat sample number 14984 · ANORTHOSITE
Sample
| Sample ID | SM-7B |
|---|---|
| Rock name | ANORTHOSITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Thomas P. Frost |
| Comment | Anorthosite 7% hb-epidote, remainder is euhedral plag in random orientation, up to 4mm |
Location
| Latitude | 36.8667 |
|---|---|
| Longitude | -118.336 |
| Location | Eastern Sierra Nevada |
| State / province | California |
| Volcanic field | Thibaut-Black Canyon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 156 | 148 | 165 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 49.8 | WT% | XRF | |
| TIO2 | 0.94 | WT% | XRF | |
| AL2O3 | 25.7 | WT% | XRF | |
| FE2O3 | 5.68 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 1.44 | WT% | XRF | |
| CAO | 11.5 | WT% | XRF | |
| NA2O | 3.56 | WT% | XRF | |
| K2O | 0.5 | WT% | XRF | |
| P2O5 | 0.14 | WT% | XRF | |
| LOI | 1.11 | WT% | XRF | |
| V | 150 | PPM | XRF | |
| CR | 5 | PPM | EDXRF | |
| NI | 11 | PPM | EDXRF | |
| ZN | 45 | PPM | EDXRF | |
| RB | 20 | PPM | EDXRF | |
| SR | 1250 | PPM | EDXRF | |
| Y | 11 | PPM | EDXRF | |
| ZR | 60 | PPM | EDXRF | |
| NB | 4 | PPM | EDXRF | |
| BA | 600 | PPM | EDXRF |