Sample 202300
NavDat sample number 36809 · DIORITE
Sample
| Sample ID | 202300 |
|---|---|
| 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 | 49.25 | WT% | XRF | |
| AL2O3 | 14.1 | WT% | XRF | |
| FE2O3 | 1.28 | WT% | XRF | |
| FEO | 10.34 | WT% | XRF | |
| MGO | 8.98 | WT% | XRF | |
| CAO | 9.04 | WT% | XRF | |
| NA2O | 2.61 | WT% | XRF | |
| K2O | 1.62 | WT% | XRF | |
| TIO2 | 2.07 | WT% | XRF | |
| P2O5 | 0.5 | WT% | XRF | |
| MNO | 0.19 | WT% | XRF | |
| RB | 27 | PPM | EDXRF | |
| SR | 1199 | PPM | EDXRF | |
| Y | 26 | PPM | EDXRF | |
| ZR | 62 | PPM | EDXRF | |
| NB | 27 | PPM | EDXRF | |
| BA | 1466 | PPM | EDXRF | |
| TOTAL | 100 | WT% | XRF | |
| SC | 25.1 | PPM | INAA | |
| CR | 287 | PPM | INAA | |
| CO | 50.9 | PPM | INAA | |
| NI | 120 | PPM | INAA | |
| ZN | 113 | PPM | INAA | |
| CS | 0.89 | PPM | INAA | |
| LA | 48.4 | PPM | INAA | |
| CE | 98.9 | PPM | INAA | |
| ND | 47.3 | PPM | INAA | |
| SM | 8.73 | PPM | INAA | |
| EU | 2.17 | PPM | INAA | |
| TB | 0.767 | PPM | INAA | |
| YB | 1.8 | PPM | INAA | |
| LU | 0.25 | PPM | INAA | |
| HF | 2.7 | PPM | INAA | |
| TA | 1.47 | PPM | INAA | |
| TH | 3.75 | PPM | INAA | |
| U | 0.76 | 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