Sample 105
NavDat sample number 36808 · MINETTE
Sample
| Sample ID | 105 |
|---|---|
| Rock name | MINETTE |
| Rock type | VOLCANIC |
| Composition | EXOTIC |
| Material | IGNEOUS |
Location
| Latitude | 37.651 |
|---|---|
| Longitude | -102.535 |
| Location | Two Buttes |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 36.8 | 36.4 | 37.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.1 | WT% | ICPAES | |
| MGO | 1.83 | WT% | ICPAES | |
| TIO2 | 0.86 | WT% | ICPAES | |
| AL2O3 | 16.6 | WT% | ICPAES | |
| FE2O3 | 5.62 | WT% | ICPAES | |
| FEO | 1.07 | WT% | TIT | |
| MNO | 0.16 | WT% | ICPAES | |
| CAO | 3.45 | WT% | ICPAES | |
| NA2O | 4.27 | WT% | ICPAES | |
| K2O | 6.24 | WT% | ICPAES | |
| P2O5 | 0.29 | WT% | ICPAES | |
| CO2 | 0.51 | WT% | UNKNOWN | |
| H2O_PLUS | 1.14 | WT% | PENFIELD | |
| H2O_MINUS | 0.42 | WT% | PENFIELD | |
| RB | 142 | PPM | XRF | |
| SR | 2014 | PPM | XRF | |
| SM | 12.7 | PPM | INAA | |
| ND | 88.2 | PPM | INAA | |
| TH | 28.8 | PPM | INAA | |
| NI | 24 | PPM | XRF | |
| CR | 42 | PPM | XRF | |
| ZR | 501 | PPM | XRF | |
| BA | 3717 | PPM | XRF | |
| LA | 94.4 | PPM | INAA | |
| CE | 271 | PPM | INAA | |
| EU | 4 | PPM | INAA | |
| TB | 1.7 | PPM | INAA | |
| YB | 2.44 | PPM | INAA | |
| LU | 0.46 | PPM | INAA | |
| HF | 10.5 | PPM | INAA | |
| TA | 2.14 | PPM | INAA | |
| PB206_PB204 | 18.825 | MS | ||
| PB207_PB204 | 15.594 | MS | ||
| PB208_PB204 | 38.443 | MS |
References
- Davis, Linda L; Smith, Douglas; McDowell, Fred W; Walker, Nicholas W; Borg, Lars E (1996) Eocene potassic magmatism at Two Buttes, Colorado, with implications for Cenozoic tectonics and magma generation in the Western United States. Geological Society of America Bulletin. 108; 12, Pages 1567-1579. 1996. . doi:10.1130/0016-7606(1996)108<1567:EPMATB>2.3.CO;2