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Sample IL-20
NavDat sample number 124439 · ANDESITE
Sample
| Sample ID | IL-20 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | hornblende bearing |
|---|
Location
| Latitude | 36.75 |
|---|
| Longitude | -105.5 |
|---|
| Location | Latir volcanic field |
|---|
| State / province | New Mexico |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.5 |
|
27 |
28 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| RB | 69 | | PPM | XRF |
| SR | 971 | | PPM | XRF |
| SR87_SR86 | 0.70563 | | | MS |
| RB87_SR86 | 0.2055 | | | MS |
| ND143_ND144 | 0.5123 | | | MS |
References
- Johnson, Clark M; Lipman, Peter W; Czamanske, Gerald K (1990) H, O, Sr, Nd, and Pb isotope geochemistry of the Latir volcanic field and cogenetic intrusions, New Mexico, and relations between evolution of a continental magmatic center and modifications of the lithosphere. Contributions to Mineralogy and Petrology, vol.104, no.1, pp.99-124 Jan 1990 doi:10.1007/BF00310649
