Sample MB97-75
NavDat sample number 51897 · BASALT
Sample
| Sample ID | MB97-75 |
|---|---|
| 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 | 49.69 | WT% | DCPAES | |
| TIO2 | 2.66 | WT% | DCPAES | |
| AL2O3 | 17.01 | WT% | DCPAES | |
| FE2O3 | 12.93 | WT% | DCPAES | |
| MNO | 0.18 | WT% | DCPAES | |
| MGO | 3.44 | WT% | DCPAES | |
| CAO | 8.8 | WT% | DCPAES | |
| NA2O | 3.6 | WT% | DCPAES | |
| K2O | 1.38 | WT% | DCPAES | |
| P2O5 | 0.55 | WT% | DCPAES | |
| LOI | 0.4 | WT% | DCPAES | |
| TOTAL | 100.64 | WT% | DCPAES | |
| NI | 47 | PPM | XRF | |
| CR | 11 | PPM | XRF | |
| SC | 26.2 | PPM | XRF | |
| V | 349 | PPM | XRF | |
| BA | 526 | PPM | XRF | |
| RB | 24 | PPM | XRF | |
| SR | 566 | PPM | XRF | |
| ZR | 205 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| NB | 14.1 | PPM | XRF | |
| GA | 28.4 | PPM | XRF | |
| CU | 302 | PPM | XRF | |
| CO | 34 | PPM | XRF | |
| ZN | 104 | PPM | XRF | |
| PB | 8 | PPM | XRF | |
| LA | 25 | PPM | XRF | |
| CE | 44 | PPM | XRF | |
| U | 1.4 | PPM | XRF | |
| TH | 5.4 | 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