Sample AC-21A
NavDat sample number 14993 · GABBRO
Sample
| Sample ID | AC-21A |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Thomas P. Frost |
| Comment | Coarse, mafic, hb gabbro at contact with younger Goodale pluton of Moore 1963 |
Location
| Latitude | 36.9597 |
|---|---|
| Longitude | -118.342 |
| Location | Eastern Sierra Nevada |
| State / province | California |
| Volcanic field | Armstrong Canyon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 154.15 | 153.8 | 154.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 47.4 | WT% | XRF | |
| TIO2 | 1.01 | WT% | XRF | |
| AL2O3 | 21.7 | WT% | XRF | |
| FE2O3 | 10.1 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 3.44 | WT% | XRF | |
| CAO | 9.05 | WT% | XRF | |
| NA2O | 3.59 | WT% | XRF | |
| K2O | 1.6 | WT% | XRF | |
| P2O5 | 0.71 | WT% | XRF | |
| LOI | 1.06 | WT% | XRF | |
| V | 135 | PPM | XRF | |
| NI | 13 | PPM | EDXRF | |
| ZN | 145 | PPM | EDXRF | |
| RB | 64 | PPM | EDXRF | |
| SR | 1000 | PPM | EDXRF | |
| Y | 23 | PPM | EDXRF | |
| ZR | 205 | PPM | EDXRF | |
| NB | 2 | PPM | EDXRF | |
| BA | 1130 | PPM | EDXRF |