Sample 202504
NavDat sample number 36831 · DIORITE
Sample
| Sample ID | 202504 |
|---|---|
| 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 | 51.61 | WT% | XRF | |
| AL2O3 | 16.69 | WT% | XRF | |
| FE2O3 | 1.12 | WT% | XRF | |
| FEO | 9.04 | WT% | XRF | |
| MGO | 5.44 | WT% | XRF | |
| CAO | 8.3 | WT% | XRF | |
| NA2O | 3.4 | WT% | XRF | |
| K2O | 1.63 | WT% | XRF | |
| TIO2 | 2.01 | WT% | XRF | |
| P2O5 | 0.62 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| RB | 37 | PPM | EDXRF | |
| SR | 1083 | PPM | EDXRF | |
| Y | 25 | PPM | EDXRF | |
| ZR | 62 | PPM | EDXRF | |
| NB | 21 | PPM | EDXRF | |
| BA | 874 | PPM | EDXRF | |
| TOTAL | 100 | WT% | XRF | |
| SC | 21.4 | PPM | INAA | |
| CR | 101 | PPM | INAA | |
| CO | 35.2 | PPM | INAA | |
| NI | 48 | PPM | INAA | |
| ZN | 98 | PPM | INAA | |
| CS | 0.89 | PPM | INAA | |
| LA | 38.5 | PPM | INAA | |
| CE | 76.3 | PPM | INAA | |
| ND | 37 | PPM | INAA | |
| SM | 7.79 | PPM | INAA | |
| EU | 2.14 | PPM | INAA | |
| TB | 0.825 | PPM | INAA | |
| YB | 1.9 | PPM | INAA | |
| LU | 0.27 | PPM | INAA | |
| HF | 3.11 | PPM | INAA | |
| TA | 1.2 | PPM | INAA | |
| TH | 4.87 | PPM | INAA | |
| U | 0.93 | 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