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Sample 665
NavDat sample number 5446 · ANDESITE
Sample
| Sample ID | 665 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | Tertiary hornblende andesite flow with microphenocrysts of plagioclase and clinopyroxene from west of Singatse Peak. |
|---|
Location
| Latitude | 38.9869 |
|---|
| Longitude | -119.253 |
|---|
| State / province | Nevada |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 17.7 |
|
15.3 |
20.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| FEO | 1.07 | | WT% | WET |
| H2O_PLUS | 1.68 | | WT% | WET |
| CO2 | 0.15 | | WT% | WET |
| SR | 0.138 | | PPM | XRF |
| RB | 0.003 | | PPM | XRF |
| ZR | 0.008 | | PPM | XRF |
| S | 0.01 | | PPM | WET |
| SIO2 | 59.47 | | WT% | WET |
| TIO2 | 0.88 | | WT% | WET |
| AL2O3 | 17.4 | | WT% | WET |
| FE2O3 | 4.09 | | WT% | WET |
| MNO | 0.09 | | WT% | WET |
| MGO | 2.53 | | WT% | WET |
| CAO | 6.4 | | WT% | WET |
| NA2O | 4.6 | | WT% | WET |
| K2O | 1.38 | | WT% | WET |
| H2O_MINUS | 1.58 | | WT% | WET |
| P2O5 | 0.34 | | WT% | WET |
