Sample 744
NavDat sample number 52928 · ANDESITE
Sample
| Sample ID | 744 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.7517 |
|---|---|
| Longitude | -121.525 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.29 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.4 | WT% | XRF | |
| AL2O3 | 17.5 | WT% | XRF | |
| FEOT | 6.72 | WT% | XRF | |
| MGO | 4.3 | WT% | XRF | |
| CAO | 7.02 | WT% | XRF | |
| NA2O | 3.86 | WT% | XRF | |
| K2O | 1.74 | WT% | XRF | |
| TIO2 | 0.99 | WT% | XRF | |
| P2O5 | 0.37 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| TOTAL | 98.48 | WT% | XRF | |
| LOI | 0.44 | WT% | XRF | |
| FEOT | 4.45 | WT% | WET | |
| H2O_PLUS | 0.56 | WT% | WET | |
| H2O_MINUS | 0.11 | WT% | WET | |
| CO2 | 0.01 | WT% | WET | |
| RB | 47 | PPM | XRF | |
| SR | 468 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 189 | PPM | XRF | |
| NB | 15 | PPM | XRF | |
| BA | 618 | PPM | XRF | |
| NI | 66 | PPM | XRF | |
| CU | 51 | PPM | XRF | |
| ZN | 58 | PPM | XRF | |
| CR | 63 | PPM | XRF | |
| SC | 20.5 | PPM | INAA | |
| CR | 71 | PPM | INAA | |
| CO | 23.5 | PPM | INAA | |
| RB | 42 | PPM | INAA | |
| SR | 499 | PPM | INAA | |
| ZR | 158 | PPM | INAA | |
| SB | 0.19 | PPM | INAA | |
| CS | 1.76 | PPM | INAA | |
| BA | 605 | PPM | INAA | |
| LA | 20.5 | PPM | INAA | |
| CE | 47.4 | PPM | INAA | |
| ND | 24.9 | PPM | INAA | |
| SM | 5.18 | PPM | INAA | |
| EU | 1.44 | PPM | INAA | |
| GD | 4.97 | PPM | INAA | |
| TB | 0.766 | PPM | INAA | |
| DY | 4.95 | PPM | INAA | |
| TM | 0.4 | PPM | INAA | |
| YB | 2.57 | PPM | INAA | |
| LU | 0.39 | PPM | INAA | |
| HF | 4.55 | PPM | INAA | |
| TA | 0.764 | PPM | INAA | |
| TH | 4.39 | PPM | INAA | |
| U | 1.88 | PPM | INAA | |
| MN | 974 | PPM | INAA |