Sample 6-Mar
NavDat sample number 31678 · BASALT
Sample
| Sample ID | 6-Mar |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Flows of alkali basalt along the Gold Butte fault. |
Location
| Latitude | 36.25 |
|---|---|
| Longitude | -114.25 |
| Location | Gold Butte |
| State / province | Nevada |
| Volcanic field | Lake Mead area |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 9.31 | 9.15 | 9.46 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 46.3 | WT% | ICP | |
| AL2O3 | 14.64 | WT% | ICP | |
| FEO | 12.59 | WT% | ICP | |
| CAO | 7.98 | WT% | ICP | |
| MGO | 9.16 | WT% | ICP | |
| NA2O | 3.16 | WT% | ICP | |
| K2O | 1.59 | WT% | ICP | |
| TIO2 | 1.19 | WT% | ICP | |
| MNO | 0.18 | WT% | ICP | |
| P2O5 | 0.27 | WT% | ICP | |
| CR | 253 | PPM | INAA | |
| CO | 46.68 | PPM | INAA | |
| SC | 23.73 | PPM | INAA | |
| V | 216 | PPM | INAA | |
| HF | 3.63 | PPM | INAA | |
| TH | 2.72 | PPM | INAA | |
| LA | 23.86 | PPM | INAA | |
| CE | 46.11 | PPM | INAA | |
| EU | 1.45 | PPM | INAA | |
| YB | 2.47 | PPM | INAA | |
| LU | 0.35 | PPM | INAA | |
| SR | 421.14 | PPM | MS-ID | |
| RB | 14.88 | PPM | MS-ID | |
| ND | 22.47 | PPM | MS-ID | |
| ND143_ND144 | 0.512592 | MS | ||
| SR87_SR86_INITIAL | 0.70502 | MS | ||
| PB206_PB204 | 18.13 | MS | ||
| PB207_PB204 | 15.527 | MS | ||
| PB208_PB204 | 38.068 | MS |
References
- Feuerbach, Dan L; Smith, Eugene I; Walker, J D; Tangeman, J A (1993) The role of the mantle during crustal extension; constraints from geochemistry of volcanic rocks in the Lake Mead area, Nevada and Arizona. Geological Society of America Bulletin, vol.105, no.12, pp.1561-1575, Dec 1993 doi:10.1130/0016-7606(1993)105<1561:TROTMD>2.3.CO;2