Sample 66L-230A
NavDat sample number 4844 · RHYOLITE
Sample
| Sample ID | 66L-230A |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Obsidian |
Location
| Latitude | 38.745 |
|---|---|
| Longitude | -106.081 |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28 | 28 | 29 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| LI | 95 | PPM | AAS | |
| K | 33000 | PPM | INAA | |
| K | 39700 | PPM | INAA | |
| RB | 304 | PPM | XRF | |
| CS | 7.7 | PPM | INAA | |
| BE | 10 | PPM | ES | |
| SR | 1.3 | PPM | MS-ID | |
| BA | -1 | PPM | XRF | |
| CR | 11 | PPM | INAA | |
| MN | 755 | PPM | INAA | |
| FE | 4270 | PPM | INAA | |
| CO | 0.1 | PPM | INAA | |
| CU | -0.3 | PPM | ES | |
| SC | 4.12 | PPM | INAA | |
| LA | 20 | PPM | INAA | |
| CE | 51.4 | PPM | INAA | |
| ND | 26.3 | PPM | INAA | |
| SM | 5.9 | PPM | INAA | |
| EU | 0.18 | PPM | INAA | |
| GD | 2.9 | PPM | INAA | |
| TB | 0.9 | PPM | INAA | |
| DY | 3.6 | PPM | INAA | |
| TM | 0.7 | PPM | INAA | |
| YB | 3 | PPM | INAA | |
| LU | 0.34 | PPM | INAA | |
| ZR | 216 | PPM | INAA | |
| NB | 83 | PPM | ES | |
| MO | 5 | PPM | ES | |
| HF | 4.4 | PPM | INAA | |
| TA | 5.1 | PPM | INAA | |
| B | 30 | PPM | ES | |
| PB | 43 | PPM | ES | |
| SB | 0.5 | PPM | INAA | |
| ARSENIC | -1 | PPM | SP-PH | |
| SE | 0.3 | PPM | XRF | |
| F | 1700 | PPM | SIE | |
| TH | 34 | PPM | INAA | |
| U | 16.2 | PPM | DLNAA |