Sample EP-46
NavDat sample number 41642 · GRANITE
Sample
| Sample ID | EP-46 |
|---|---|
| Rock name | GRANITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Float from cliff of El Capitan Granite near Eagle Peak |
Location
| Latitude | 37.6871 |
|---|---|
| Longitude | -119.78 |
| 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 | 70.38 | WT% | DCPAES | |
| TIO2 | 0.33 | WT% | DCPAES | |
| AL2O3 | 15.6 | WT% | DCPAES | |
| FE2O3 | 2.48 | WT% | DCPAES | |
| MNO | 0.05 | WT% | DCPAES | |
| MGO | 0.74 | WT% | DCPAES | |
| CAO | 2.64 | WT% | DCPAES | |
| NA2O | 3.7 | WT% | DCPAES | |
| K2O | 3.98 | WT% | DCPAES | |
| P2O5 | 0.1 | WT% | DCPAES | |
| LOI | 0.27 | WT% | DCPAES | |
| BA | 1040 | PPM | DCPAES | |
| CR | 13 | PPM | DCPAES | |
| NI | 6 | PPM | DCPAES | |
| SC | 7 | PPM | DCPAES | |
| SR | 330 | PPM | DCPAES | |
| V | 33 | PPM | DCPAES | |
| Y | 13 | PPM | DCPAES | |
| ZR | 147 | 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