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Sample OM-60
NavDat sample number 32800 · ANDESITE
Sample
| Sample ID | OM-60 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | intersertal, with glass between grains of plag, cpx, opx, ox, and cpx coronas after completely resorbed quartz xenocrysts |
|---|
Location
| Latitude | 43.0712 |
|---|
| Longitude | -116.755 |
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| Location | at gauging station |
|---|
| State / province | Idaho |
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| Volcanic field | Toll Gate Olivine Basalt of McIntyre 1972 |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 13 |
|
8 |
18 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 55.29 | | WT% | XRF |
| AL2O3 | 15.5 | | WT% | XRF |
| FE2O3 | 1.96 | | WT% | XRF |
| FEO | 6.23 | | WT% | XRF |
| MGO | 5.79 | | WT% | XRF |
| CAO | 7.45 | | WT% | XRF |
| NA2O | 2.91 | | WT% | XRF |
| K2O | 1.43 | | WT% | XRF |
| H2O_PLUS | 1.12 | | WT% | XRF |
| H2O_MINUS | 0.54 | | WT% | XRF |
| TIO2 | 1.11 | | WT% | XRF |
| P2O5 | 0.26 | | WT% | XRF |
| MNO | 0.13 | | WT% | XRF |
| CO2 | 0.05 | | WT% | XRF |
| TOTAL | 99.8 | | WT% | XRF |
