Sample s_691
NavDat sample number 33836 · ANDESITE
Sample
| Sample ID | s_691 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 42.88 |
|---|---|
| Longitude | -121.96 |
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT MAZAMA / PACIFIC OCEAN |
| State / province | OREGON |
| Location comment | CRATER LAKE, SCOTT CREEK |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.41 | 0.395 | 0.423 | QUATERNARY |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.3 | WT% | XRF | |
| TIO2 | 1.04 | WT% | XRF | |
| AL2O3 | 17.8 | WT% | XRF | |
| FE2O3T | 8.09 | WT% | XRF | |
| CAO | 7.26 | WT% | XRF | |
| MGO | 3.73 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| K2O | 1.04 | WT% | AES | |
| NA2O | 3.78 | WT% | AES | |
| P2O5 | 0.3 | WT% | XRF | |
| LOI | 0.63 | WT% | IGN | |
| LA | 14 | PPM | INAA | |
| CE | 28 | PPM | INAA | |
| ND | 16 | PPM | INAA | |
| SM | 4.1 | PPM | INAA | |
| EU | 1.23 | PPM | INAA | |
| TB | 0.38 | PPM | INAA | |
| YB | 2.1 | PPM | INAA | |
| LU | 0.29 | PPM | INAA | |
| SC | 21.3 | PPM | INAA | |
| CR | 38.6 | PPM | INAA | |
| CO | 22.2 | PPM | INAA | |
| ZN | 85 | PPM | INAA | |
| RB | 18 | PPM | XRF | |
| SR | 618 | PPM | XRF | |
| Y | 19 | PPM | XRF | |
| ZR | 116 | PPM | XRF | |
| NB | 3.1 | PPM | ICPMS | |
| CS | 0.9 | PPM | INAA | |
| BA | 407 | PPM | XRF | |
| HF | 2.6 | PPM | INAA | |
| TA | 0.27 | PPM | INAA | |
| TH | 12 | PPM | INAA | |
| U | 0.6 | PPM | INAA |