Sample YOS-95b
NavDat sample number 41699 · GABBRO
Sample
| Sample ID | YOS-95b |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| 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 | 53.42 | WT% | DCPAES | |
| TIO2 | 0.8 | WT% | DCPAES | |
| AL2O3 | 23.23 | WT% | DCPAES | |
| FE2O3 | 6.5 | WT% | DCPAES | |
| MNO | 0.09 | WT% | DCPAES | |
| MGO | 2.35 | WT% | DCPAES | |
| CAO | 8.03 | WT% | DCPAES | |
| NA2O | 4.21 | WT% | DCPAES | |
| K2O | 1.12 | WT% | DCPAES | |
| P2O5 | 0.26 | WT% | DCPAES | |
| LOI | 0.7 | WT% | DCPAES | |
| BA | 656 | PPM | DCPAES | |
| CR | 20 | PPM | DCPAES | |
| NI | 8 | PPM | DCPAES | |
| SC | 16 | PPM | DCPAES | |
| SR | 795 | PPM | DCPAES | |
| V | 135 | PPM | DCPAES | |
| Y | 26 | PPM | DCPAES | |
| ZR | 313 | 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