Sample HM-620
NavDat sample number 125495 · MINETTE
Sample
| Sample ID | HM-620 |
|---|---|
| Rock name | MINETTE |
| Rock type | PLUTONIC |
| Composition | EXOTIC |
| Material | IGNEOUS |
Location
| Latitude | 47.4631 |
|---|---|
| Longitude | -110.56 |
| Location | Highwood Mountains |
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 51 | 50 | 53 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| MGO | 8.48 | WT% | ICPAES | |
| LA | 40.4 | PPM | ICPAES | |
| CE | 89.9 | PPM | ICPAES | |
| ND | 38.3 | PPM | ICPAES | |
| SM | 6.76 | PPM | ICPAES | |
| EU | 1.98 | PPM | ICPAES | |
| GD | 5.25 | PPM | ICPAES | |
| DY | 3.49 | PPM | ICPAES | |
| YB | 1.35 | PPM | ICPAES | |
| LU | 0.19 | PPM | ICPAES | |
| SIO2 | 45.32 | WT% | ICPAES | |
| TIO2 | 0.64 | WT% | ICPAES | |
| AL2O3 | 13 | WT% | ICPAES | |
| FE2O3 | 9.25 | WT% | ICPAES | |
| MNO | 0.15 | WT% | ICPAES | |
| CAO | 8.23 | WT% | ICPAES | |
| NA2O | 1.58 | WT% | ICPAES | |
| K2O | 6.38 | WT% | ICPAES | |
| P2O5 | 0.8 | WT% | ICPAES | |
| TOTAL | 99.05 | WT% | ICPAES | |
| SC | 26.2 | PPM | ICPAES | |
| V | 196 | PPM | ICPAES | |
| CR | 354 | PPM | ICPAES | |
| CO | 49 | PPM | ICPAES | |
| NI | 136 | PPM | ICPAES | |
| CU | 86 | PPM | ICPAES | |
| ZN | 80 | PPM | ICPAES | |
| LI | 24 | PPM | ICPAES | |
| RB | 162 | PPM | XRF | |
| SR | 1230 | PPM | ICPAES | |
| BA | 4660 | PPM | ICPAES | |
| ZR | 110 | PPM | XRF | |
| NB | 10.4 | PPM | XRF | |
| TH | 7.1 | PPM | XRF | |
| PB | 33 | PPM | XRF | |
| Y | 17.6 | PPM | XRF | |
| BE | 3.3 | PPM | ICPAES | |
| SM | 6.9 | PPM | ICPAES | |
| ND | 38.7 | PPM | ICPAES | |
| SR87_SR86 | 0.708306 | MS | ||
| ND143_ND144 | 0.511632 | MS | ||
| U | 1.8 | PPM | INAA | |
| TH | 6.5 | PPM | INAA | |
| CS | 4.8 | PPM | INAA | |
| TA | 0.35 | PPM | INAA | |
| HF | 3.1 | PPM | INAA | |
| PB206_PB204 | 17.001 | MS | ||
| PB207_PB204 | 15.428 | MS | ||
| PB208_PB204 | 37.638 | MS |
References
- O'Brien, Hugh E; Irving, Anthony J; McCallum, I S; Thirlwall, MatthewF (1995) Strontium, neodymium, and lead isotope evidence for the interaction ofpost-subduction asthenospheric potassic mafic magmas of the HighwoodMountains, Montana, USA, with ancient Wyoming craton lithosphericmantle. Geochimica et Cosmochimica Acta, vol.59, no.21, pp.4539-4556, Nov1995 doi:10.1016/0016-7037(95)99266-J