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Sample May-75
NavDat sample number 16024 · PYROCLASTIC-FALL
Sample
| Sample ID | May-75 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | inner ignimbrites |
|---|
Location
| Latitude | 32.9933 |
|---|
| Longitude | -114.595 |
|---|
| Location | Picacho region,Chocolate Mtns |
|---|
| State / province | California |
|---|
| Volcanic field | Inner Volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 24 |
|
21 |
27 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 69.94 | | WT% | XRF |
| TIO2 | 0.24 | | WT% | XRF |
| AL2O3 | 14.01 | | WT% | XRF |
| FEO | 1.58 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| MGO | 1.75 | | WT% | XRF |
| CAO | 2.84 | | WT% | XRF |
| NA2O | 2.33 | | WT% | XRF |
| K2O | 4.03 | | WT% | XRF |
| TOTAL | 96.76 | | WT% | XRF |
