Sample 20A
NavDat sample number 127359 · GRANODIORITE
Sample
| Sample ID | 20A |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Frost, Thomas |
| Comment | Coarse homogeneous hb-bio granodiorite |
Location
| Latitude | 37.1719 |
|---|---|
| Longitude | -118.564 |
| Location | Lamark Granodiorite |
| State / province | California |
| Volcanic field | Lamarck Granodiorite |
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 | 65 | WT% | XRF | |
| TIO2 | 0.53 | WT% | XRF | |
| AL2O3 | 16.2 | WT% | XRF | |
| FE2O3 | 4.6 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 2 | WT% | XRF | |
| CAO | 4.23 | WT% | XRF | |
| NA2O | 3.6 | WT% | XRF | |
| K2O | 3.45 | WT% | XRF | |
| P2O5 | 0.18 | WT% | XRF | |
| LOI | 0.3 | WT% | XRF | |
| BA | 950 | PPM | EDXRF | |
| LA | 21 | PPM | EDXRF | |
| CE | 63 | PPM | EDXRF | |
| RB | 130 | PPM | EDXRF | |
| SR | 445 | PPM | EDXRF | |
| Y | 18 | PPM | EDXRF | |
| ZR | 115 | PPM | EDXRF | |
| NB | 15 | PPM | EDXRF | |
| NI | 8 | PPM | EDXRF | |
| ZN | 75 | PPM | EDXRF | |
| CR | 9 | PPM | EDXRF | |
| RB | 130 | PPM | MS-ID | |
| SR | 445 | PPM | MS-ID | |
| SR87_SR86 | 0.70658 | TIMS | ||
| SM | 3.67 | PPM | MS-ID | |
| ND | 18.78 | PPM | MS-ID | |
| ND143_ND144 | 0.512355 | TIMS |