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Sample LL 1
NavDat sample number 30102 · LATITE
Sample
| Sample ID | LL 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 | 65.02 | | WT% | XRF |
| TIO2 | 0.01 | | WT% | XRF |
| AL2O3 | 19.1 | | WT% | XRF |
| FE2O3 | 0.16 | | WT% | XRF |
| MNO | 0 | | WT% | XRF |
| MGO | 0.02 | | WT% | XRF |
| CAO | 0.2 | | WT% | XRF |
| NA2O | 3.14 | | WT% | XRF |
| K2O | 11.45 | | WT% | XRF |
| TOTAL | 99.1 | | WT% | XRF |
| RB | 139.4 | | PPM | MS |
| SR | 1089.4 | | PPM | MS |
| SR87_SR86 | 0.708692 | | | MS |
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
