Sample MB97-74A
NavDat sample number 51896 · BASALT
Sample
| Sample ID | MB97-74A |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 42.8036 |
|---|---|
| Longitude | -118.545 |
| Location | Miranda Flat |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 16.36 | 16.13 | 16.58 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 50.35 | WT% | DCPAES | |
| TIO2 | 2.37 | WT% | DCPAES | |
| AL2O3 | 18.14 | WT% | DCPAES | |
| FE2O3 | 11.96 | WT% | DCPAES | |
| MNO | 0.17 | WT% | DCPAES | |
| MGO | 3.63 | WT% | DCPAES | |
| CAO | 9.13 | WT% | DCPAES | |
| NA2O | 3.71 | WT% | DCPAES | |
| K2O | 1.21 | WT% | DCPAES | |
| P2O5 | 0.49 | WT% | DCPAES | |
| LOI | 0.02 | WT% | DCPAES | |
| TOTAL | 101.18 | WT% | DCPAES | |
| NI | 46 | PPM | XRF | |
| CR | 8 | PPM | XRF | |
| SC | 23.9 | PPM | XRF | |
| V | 329 | PPM | XRF | |
| BA | 485 | PPM | XRF | |
| RB | 17 | PPM | XRF | |
| SR | 606 | PPM | XRF | |
| ZR | 186 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| NB | 13.2 | PPM | XRF | |
| GA | 27.9 | PPM | XRF | |
| CU | 200 | PPM | XRF | |
| CO | 33 | PPM | XRF | |
| ZN | 103 | PPM | XRF | |
| PB | 6 | PPM | XRF | |
| LA | 21 | PPM | XRF | |
| CE | 39 | PPM | XRF | |
| U | 1.4 | PPM | XRF | |
| TH | 4.8 | PPM | XRF |
References
- Brueseke, Matthew E; Heizler, Matthew T; Hart, William K; Mertzman,Stanley A (2007) Distribution and geochronology of Oregon Plateau (U.S.A.) flood basaltvolcanism; the Steens Basalt revisited. Journal of Volcanology and Geothermal Research, vol. 161, no. 3,pp.187-214, 15 Mar 2007 doi:10.1016/j.jvolgeores.2006.12.004