Sample 21B
NavDat sample number 128267 · DIABASE
Sample
| Sample ID | 21B |
|---|---|
| Rock name | DIABASE |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Frost, Thomas |
| Comment | Inclusion, Fine grained plag phyric inclusion |
Location
| Latitude | 37.1878 |
|---|---|
| Longitude | -118.558 |
| Location | Lamark Granodiorite |
| State / province | California |
| Volcanic field | Eastern Sierra Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 91.6 | 91 | 92.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 52.6 | WT% | XRF | |
| TIO2 | 0.93 | WT% | XRF | |
| AL2O3 | 19.2 | WT% | XRF | |
| FE2O3 | 8.6 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 3.9 | WT% | XRF | |
| CAO | 7.24 | WT% | XRF | |
| NA2O | 4.3 | WT% | XRF | |
| K2O | 1.92 | WT% | XRF | |
| P2O5 | 0.31 | WT% | XRF | |
| LOI | 0.85 | WT% | XRF | |
| BA | 450 | PPM | EDXRF | |
| LA | 34 | PPM | EDXRF | |
| CE | 67 | PPM | EDXRF | |
| RB | 105 | PPM | EDXRF | |
| SR | 490 | PPM | EDXRF | |
| Y | 21 | PPM | EDXRF | |
| ZR | 160 | PPM | EDXRF | |
| NB | 13 | PPM | EDXRF | |
| NI | 14 | PPM | EDXRF | |
| ZN | 125 | PPM | EDXRF | |
| CR | 10 | PPM | EDXRF |