Sample 65L-161A
NavDat sample number 4847 · RHYOLITE
Sample
| Sample ID | 65L-161A |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Obsidian |
Location
| Latitude | 39.6049 |
|---|---|
| Longitude | -106.517 |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 22 | 19.8 | 24.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| LI | 77 | PPM | AAS | |
| K | 30000 | PPM | INAA | |
| K | 38500 | PPM | INAA | |
| RB | 225 | PPM | XRF | |
| CS | 7.8 | PPM | INAA | |
| BE | 6 | PPM | ES | |
| SR | 8.7 | PPM | MS-ID | |
| BA | 18 | PPM | XRF | |
| CR | 12 | PPM | INAA | |
| MN | 407 | PPM | INAA | |
| FE | 5640 | PPM | INAA | |
| CO | 0.2 | PPM | INAA | |
| CU | 0.3 | PPM | ES | |
| SC | 1.52 | PPM | INAA | |
| LA | 33.5 | PPM | INAA | |
| CE | 52.5 | PPM | INAA | |
| ND | 19.3 | PPM | INAA | |
| SM | 2.7 | PPM | INAA | |
| EU | 0.2 | PPM | INAA | |
| GD | 2.2 | PPM | INAA | |
| TB | 0.3 | PPM | INAA | |
| DY | 1.2 | PPM | INAA | |
| TM | 1.2 | PPM | INAA | |
| YB | 1.1 | PPM | INAA | |
| LU | 0.15 | PPM | INAA | |
| ZR | 207 | PPM | INAA | |
| NB | 50 | PPM | ES | |
| MO | 9 | PPM | ES | |
| HF | 4.8 | PPM | INAA | |
| TA | 3.4 | PPM | INAA | |
| B | 30 | PPM | ES | |
| PB | 19 | PPM | ES | |
| SB | 1.1 | PPM | INAA | |
| ARSENIC | -1 | PPM | SP-PH | |
| SE | -0.1 | PPM | XRF | |
| F | 1200 | PPM | SIE | |
| TH | 22.8 | PPM | INAA | |
| U | 10.8 | PPM | DLNAA |