Sample 202316
NavDat sample number 36816 · DIORITE
Sample
| Sample ID | 202316 |
|---|---|
| Rock name | DIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 46.0244 |
|---|---|
| Longitude | -110.261 |
| Location | Big Timber Stock, Crazy Mountains |
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 49.29 | 49.13 | 49.45 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 50.79 | WT% | XRF | |
| AL2O3 | 16.83 | WT% | XRF | |
| FE2O3 | 1.18 | WT% | XRF | |
| FEO | 9.58 | WT% | XRF | |
| MGO | 5.63 | WT% | XRF | |
| CAO | 8.96 | WT% | XRF | |
| NA2O | 3.37 | WT% | XRF | |
| K2O | 1.15 | WT% | XRF | |
| TIO2 | 1.82 | WT% | XRF | |
| P2O5 | 0.55 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| RB | 26 | PPM | EDXRF | |
| SR | 1034 | PPM | EDXRF | |
| Y | 26 | PPM | EDXRF | |
| ZR | 51 | PPM | EDXRF | |
| NB | 13 | PPM | EDXRF | |
| BA | 696 | PPM | EDXRF | |
| TOTAL | 100 | WT% | XRF | |
| SC | 25 | PPM | INAA | |
| CR | 54.8 | PPM | INAA | |
| CO | 39.4 | PPM | INAA | |
| NI | 34 | PPM | INAA | |
| ZN | 88 | PPM | INAA | |
| CS | 1.1 | PPM | INAA | |
| LA | 29.5 | PPM | INAA | |
| CE | 58.5 | PPM | INAA | |
| ND | 29 | PPM | INAA | |
| SM | 6.51 | PPM | INAA | |
| EU | 1.75 | PPM | INAA | |
| TB | 0.713 | PPM | INAA | |
| YB | 1.5 | PPM | INAA | |
| LU | 0.21 | PPM | INAA | |
| HF | 2.53 | PPM | INAA | |
| TA | 0.8 | PPM | INAA | |
| TH | 3.94 | PPM | INAA | |
| U | 0.59 | PPM | INAA |
References
- du Bray, Edward A; Harlan, S S (1996) The Eocene Big Timber Stock, south-central Montana; development ofextensive compositional variation in an arc-related intrusion byside-wall crystallization and cumulate glomerocryst remixing. Geological Society of America Bulletin, vol.108, no.11, pp.1404-1424,Nov 1996 doi:10.1130/0016-7606(1996)108<1404:TEBTSS>2.3.CO;2