Sample 202733
NavDat sample number 36857 · DIORITE
Sample
| Sample ID | 202733 |
|---|---|
| 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 | 55.71 | WT% | XRF | |
| AL2O3 | 15.17 | WT% | XRF | |
| FE2O3 | 0.89 | WT% | XRF | |
| FEO | 7.22 | WT% | XRF | |
| MGO | 6.43 | WT% | XRF | |
| CAO | 7.52 | WT% | XRF | |
| NA2O | 3.49 | WT% | XRF | |
| K2O | 1.88 | WT% | XRF | |
| TIO2 | 1.12 | WT% | XRF | |
| P2O5 | 0.43 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| RB | 35 | PPM | EDXRF | |
| SR | 1004 | PPM | EDXRF | |
| Y | 26 | PPM | EDXRF | |
| ZR | 76 | PPM | EDXRF | |
| NB | 11 | PPM | EDXRF | |
| BA | 1118 | PPM | EDXRF | |
| TOTAL | 100 | WT% | XRF | |
| SC | 20.5 | PPM | INAA | |
| CR | 268 | PPM | INAA | |
| CO | 32.2 | PPM | INAA | |
| NI | 100 | PPM | INAA | |
| ZN | 91 | PPM | INAA | |
| CS | 1.2 | PPM | INAA | |
| LA | 43.4 | PPM | INAA | |
| CE | 79.4 | PPM | INAA | |
| ND | 35 | PPM | INAA | |
| SM | 6.24 | PPM | INAA | |
| EU | 1.63 | PPM | INAA | |
| TB | 0.64 | PPM | INAA | |
| YB | 1.7 | PPM | INAA | |
| LU | 0.22 | PPM | INAA | |
| HF | 3.07 | PPM | INAA | |
| TA | 0.79 | PPM | INAA | |
| TH | 6.29 | PPM | INAA | |
| U | 1.3 | 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