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Sample NN-2
NavDat sample number 7680 · ANDESITE
Sample
| Sample ID | NN-2 |
|---|
| Alternate ID | WH-68-3 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Hall, 1971 |
|---|
Location
| Latitude | 36.3667 |
|---|
| Longitude | -117.29 |
|---|
| State / province | California |
|---|
| Volcanic field | Upper San Joaquin |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 2.14 |
|
0.38 |
3.9 |
Cenozoic |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 56.5 | | WT% | XRF |
| AL2O3 | 16.7 | | WT% | XRF |
| FE2O3 | 2.5 | | WT% | XRF |
| FEO | 4.2 | | WT% | TIT |
| MGO | 5.7 | | WT% | XRF |
| CAO | 5.9 | | WT% | XRF |
| NA2O | 3.6 | | WT% | XRF |
| K2O | 2.2 | | WT% | XRF |
| H2O_PLUS | 0.55 | | WT% | TIT |
| H2O_MINUS | 0.28 | | WT% | TIT |
| TIO2 | 1.3 | | WT% | XRF |
| P2O5 | 0.29 | | WT% | XRF |
| MNO | 0.12 | | WT% | XRF |
| CO2 | 1 | | WT% | UNKNOWN |
