Sample 78W211
NavDat sample number 7752 · TUFF
Sample
| Sample ID | 78W211 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | R.H. Tedford and T. Galusha |
| Comment | light-gray vitric tuff |
Location
| Latitude | 32.705 |
|---|---|
| Longitude | -109.463 |
| Location | Graham County |
| State / province | Arizona |
| Location comment | elevation about 3460 ft, N side of Dry Mountain, 2 km SE of 111 Ranch |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2.33 | 2.09 | 2.57 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.7 | WT% | COL OR AAS | |
| AL2O3 | 11.8 | WT% | COL OR AAS | |
| FE2O3 | 2.1 | WT% | COL OR AAS | |
| MGO | 0.14 | WT% | COL OR AAS | |
| CAO | 1 | WT% | COL OR AAS | |
| NA2O | 4 | WT% | COL OR AAS | |
| K2O | 3.1 | WT% | COL OR AAS | |
| TIO2 | 0.21 | WT% | COL OR AAS | |
| MN | 0.031 | PPM | COL OR AAS | |
| RB | -0.02 | PPM | COL OR AAS | |
| ZN | 0.01 | PPM | COL OR AAS | |
| CS | 2.2 | PPM | INAA | |
| RB | 87 | PPM | INAA | |
| TH | 11.3 | PPM | INAA | |
| U | 4 | PPM | INAA | |
| LA | 33.9 | PPM | INAA | |
| CE | 76 | PPM | INAA | |
| ND | 40 | PPM | INAA | |
| SM | 9.4 | PPM | INAA | |
| EU | 1.04 | PPM | INAA | |
| GD | 9.7 | PPM | INAA | |
| TB | 1.7 | PPM | INAA | |
| DY | 9.9 | PPM | INAA | |
| TM | 0.9 | PPM | INAA | |
| YB | 6.6 | PPM | INAA | |
| LU | 1.01 | PPM | INAA | |
| TA | 1.06 | PPM | INAA | |
| ZR | 368 | PPM | INAA | |
| HF | 9.4 | PPM | INAA | |
| SB | 0.18 | PPM | INAA | |
| SC | 4.8 | PPM | INAA | |
| MN | 396 | PPM | INAA |