Sample 202324
NavDat sample number 36820 · DIORITE
Sample
| Sample ID | 202324 |
|---|---|
| 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 | 53.5 | WT% | XRF | |
| AL2O3 | 15.74 | WT% | XRF | |
| FE2O3 | 1.02 | WT% | XRF | |
| FEO | 8.3 | WT% | XRF | |
| MGO | 6.08 | WT% | XRF | |
| CAO | 7.83 | WT% | XRF | |
| NA2O | 3.41 | WT% | XRF | |
| K2O | 1.99 | WT% | XRF | |
| TIO2 | 1.44 | WT% | XRF | |
| P2O5 | 0.49 | WT% | XRF | |
| MNO | 0.19 | WT% | XRF | |
| RB | 37 | PPM | EDXRF | |
| SR | 1198 | PPM | EDXRF | |
| Y | 19 | PPM | EDXRF | |
| ZR | 67 | PPM | EDXRF | |
| NB | 16 | PPM | EDXRF | |
| BA | 1851 | PPM | EDXRF | |
| TOTAL | 100 | WT% | XRF | |
| SC | 20 | PPM | INAA | |
| CR | 139 | PPM | INAA | |
| CO | 31.8 | PPM | INAA | |
| NI | 73 | PPM | INAA | |
| ZN | 110 | PPM | INAA | |
| CS | 1.2 | PPM | INAA | |
| LA | 42.2 | PPM | INAA | |
| CE | 79.2 | PPM | INAA | |
| ND | 35 | PPM | INAA | |
| SM | 6.67 | PPM | INAA | |
| EU | 1.87 | PPM | INAA | |
| TB | 0.69 | PPM | INAA | |
| YB | 1.6 | PPM | INAA | |
| LU | 0.26 | PPM | INAA | |
| HF | 3.02 | PPM | INAA | |
| TA | 0.8 | PPM | INAA | |
| TH | 5.95 | PPM | INAA | |
| U | 1 | 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