← Search
Sample WC 92R
NavDat sample number 30105 · MINETTE
Sample
| Sample ID | WC 92R |
|---|
| Rock name | MINETTE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | EXOTIC |
|---|
| 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 |
|---|
| RB | 119.2 | | PPM | MS |
| SR | 620.5 | | PPM | MS |
| SM | 3.98 | | PPM | MS |
| ND | 18.69 | | PPM | MS |
| SR87_SR86 | 0.708065 | | | MS |
| ND143_ND144 | 0.51191 | | | 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
