Sample 202304
NavDat sample number 36860 · MONZODIORITE
Sample
| Sample ID | 202304 |
|---|---|
| Rock name | MONZODIORITE |
| 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 | 66.56 | WT% | XRF | |
| AL2O3 | 15.55 | WT% | XRF | |
| FE2O3 | 0.39 | WT% | XRF | |
| FEO | 3.18 | WT% | XRF | |
| MGO | 2.17 | WT% | XRF | |
| CAO | 3.23 | WT% | XRF | |
| NA2O | 4.61 | WT% | XRF | |
| K2O | 3.34 | WT% | XRF | |
| TIO2 | 0.67 | WT% | XRF | |
| P2O5 | 0.22 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| RB | 65 | PPM | EDXRF | |
| SR | 899 | PPM | EDXRF | |
| Y | 17 | PPM | EDXRF | |
| ZR | 152 | PPM | EDXRF | |
| NB | 18 | PPM | EDXRF | |
| BA | 1991 | PPM | EDXRF | |
| TOTAL | 100 | WT% | XRF | |
| SC | 6.45 | PPM | INAA | |
| CR | 71.8 | PPM | INAA | |
| CO | 11.7 | PPM | INAA | |
| NI | 32 | PPM | INAA | |
| ZN | 42 | PPM | INAA | |
| CS | 0.9 | PPM | INAA | |
| LA | 49.7 | PPM | INAA | |
| CE | 78.3 | PPM | INAA | |
| ND | 25 | PPM | INAA | |
| SM | 3.88 | PPM | INAA | |
| EU | 0.996 | PPM | INAA | |
| TB | 0.34 | PPM | INAA | |
| YB | 0.87 | PPM | INAA | |
| LU | 0.12 | PPM | INAA | |
| HF | 4.7 | PPM | INAA | |
| TA | 1.44 | PPM | INAA | |
| TH | 11.3 | PPM | INAA | |
| U | 2.1 | 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