Sample 70
NavDat sample number 36804 · MINETTE
Sample
| Sample ID | 70 |
|---|---|
| Rock name | MINETTE |
| Rock type | VOLCANIC |
| Composition | EXOTIC |
| Material | IGNEOUS |
Location
| Latitude | 37.651 |
|---|---|
| Longitude | -102.536 |
| 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 | 49.1 | WT% | ICPAES | |
| MGO | 15.5 | WT% | ICPAES | |
| TIO2 | 0.97 | WT% | ICPAES | |
| AL2O3 | 10.9 | WT% | ICPAES | |
| FE2O3 | 1.78 | WT% | ICPAES | |
| FEO | 5.37 | WT% | TIT | |
| MNO | 0.14 | WT% | ICPAES | |
| CAO | 7.02 | WT% | ICPAES | |
| NA2O | 2.29 | WT% | ICPAES | |
| K2O | 4.5 | WT% | ICPAES | |
| P2O5 | 0.3 | WT% | ICPAES | |
| CO2 | 0.23 | WT% | UNKNOWN | |
| H2O_PLUS | 1.28 | WT% | PENFIELD | |
| H2O_MINUS | 0.22 | WT% | PENFIELD | |
| RB | 132 | PPM | XRF | |
| SR | 832 | PPM | XRF | |
| SM | 7.77 | PPM | INAA | |
| ND | 70.1 | PPM | INAA | |
| TH | 6.7 | PPM | INAA | |
| NI | 405 | PPM | XRF | |
| CR | 728 | PPM | XRF | |
| ZR | 160 | PPM | XRF | |
| BA | 1164 | PPM | XRF | |
| LA | 40.6 | PPM | INAA | |
| CE | 78.3 | PPM | INAA | |
| EU | 2 | PPM | INAA | |
| TB | 0.74 | PPM | INAA | |
| YB | 2.39 | PPM | INAA | |
| LU | 0.31 | PPM | INAA | |
| HF | 4.86 | PPM | INAA | |
| TA | 0.69 | PPM | INAA | |
| PB206_PB204 | 18.743 | MS | ||
| PB207_PB204 | 15.581 | MS | ||
| PB208_PB204 | 38.126 | 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