Sample YOS-95a
NavDat sample number 41698 · DIORITE
Sample
| Sample ID | YOS-95a |
|---|---|
| Rock name | DIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Base of cliffs, north of Rainbow View |
Location
| Latitude | 37.7219 |
|---|---|
| Longitude | -119.674 |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 103 | 102 | 105 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 48.91 | WT% | DCPAES | |
| TIO2 | 1.85 | WT% | DCPAES | |
| AL2O3 | 18.83 | WT% | DCPAES | |
| FE2O3 | 12.13 | WT% | DCPAES | |
| MNO | 0.2 | WT% | DCPAES | |
| MGO | 4.53 | WT% | DCPAES | |
| CAO | 9.49 | WT% | DCPAES | |
| NA2O | 2.78 | WT% | DCPAES | |
| K2O | 1 | WT% | DCPAES | |
| P2O5 | 0.27 | WT% | DCPAES | |
| LOI | 0.63 | WT% | DCPAES | |
| BA | 574 | PPM | DCPAES | |
| CR | 5 | PPM | DCPAES | |
| NI | 10 | PPM | DCPAES | |
| SC | 47 | PPM | DCPAES | |
| SR | 561 | PPM | DCPAES | |
| V | 350 | PPM | DCPAES | |
| Y | 50 | PPM | DCPAES | |
| ZR | 185 | PPM | DCPAES |
References
- Ratajeski, Kent; Glazner, Allen F; Miller, Brent V (2001) Geology and geochemistry of mafic to felsic plutonic rocks in the Cretaceous intrusive suite of Yosemite Valley, California. Geological Society of America Bulletin, vol. 113, no.11, pp.1486-1502, Nov 2001 doi:10.1130/0016-7606(2001)113<1486:GAGOMT>2.0.CO;2