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Sample DJ-84
NavDat sample number 19325
Sample
| Sample ID | DJ-84 |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.7775 |
|---|
| Longitude | -105.509 |
|---|
| Location | Guffey Volcanic Center |
|---|
| State / province | Colorado |
|---|
| Volcanic field | 39-Mile Volcanic Field |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 35 |
|
33.9 |
36.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 73.61 | | WT% | XRF |
| TIO2 | 0.08 | | WT% | XRF |
| AL2O3 | 14.2 | | WT% | XRF |
| FE2O3 | 0.69 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| CAO | 1.19 | | WT% | XRF |
| NA2O | 4.13 | | WT% | XRF |
| K2O | 4.47 | | WT% | XRF |
| P2O5 | 0.01 | | WT% | XRF |
| RB | 135 | | PPM | XRF |
| SR | 384 | | PPM | XRF |
| BA | 969 | | PPM | XRF |
| Y | 14 | | PPM | XRF |
| ZR | 138 | | PPM | XRF |
| V | 10 | | PPM | XRF |
| CR | 93 | | PPM | XRF |
References
- Wobus, Reinhard A; Mochel, David W; Mertzman, Stanley A; Eide, Elizabeth A; Rothwarf, Miriam T; Loeffler, Bruce M; Johnson, David A; Keating, Gordon N; Sultze, Kimberly; Benjamin, Anne E; Venzke, Edward A; Filson, Tammy (1990) Geochemistry of high-potassium rocks from the mid-Tertiary Guffey volcanic center, Thirtynine Mile volcanic field, central Colorado; with Suppl. Data 90-15. Geology Boulder. 18; 7, Pages 642-645. 1990. .
