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Sample CDN 1
NavDat sample number 30100 · LATITE
Sample
| Sample ID | CDN 1 |
|---|
| Rock name | LATITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 48.2356 |
|---|
| Longitude | -109.684 |
|---|
| Location | Bearpaw Mountains |
|---|
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 52 |
|
50 |
54 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 65.98 | | WT% | XRF |
| TIO2 | 0.24 | | WT% | XRF |
| AL2O3 | 19.48 | | WT% | XRF |
| FE2O3 | 0.34 | | WT% | XRF |
| MNO | 0 | | WT% | XRF |
| MGO | 0.03 | | WT% | XRF |
| CAO | 1.14 | | WT% | XRF |
| NA2O | 4.17 | | WT% | XRF |
| K2O | 10.16 | | WT% | XRF |
| TOTAL | 101.54 | | WT% | XRF |
References
- MacDonald, R; Upton, B G J; Collerson, K D; Hearn, B C, Jr; James, D (1992) Potassic mafic lavas of the Bearpaw Mountains, Montana; mineralogy,chemistry, and origin. Journal of Petrology, vol.33, no.2, pp.305-346, Apr 1992