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Sample SANLU26-90
NavDat sample number 42568 · DIORITE
Sample
| Sample ID | SANLU26-90 |
|---|
| Rock name | DIORITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 36.3576 |
|---|
| Longitude | -121.546 |
|---|
| State / province | California |
|---|
| Location comment | Quartz diorite of Paraiso Paloma area and granodiorite-quartz diorite of Bear Mountain and Junipero Serra Peak |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 72.9 |
|
65.61 |
80.19 |
|
|
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|
| RB | 55.7 | | PPM | EDXRF |
| SR | 744 | | PPM | EDXRF |
| RB_SR | 0.075 | | | MS |
| RB87_SR86 | 0.216 | | | MS |
| SR87_SR86 | 0.70876 | | | MS |
| SR87_SR86_INITIAL | 0.70824 | | | MS |
| RB | 357.5 | | PPM | MS-ID |
| SR | 29.1 | | PPM | MS-ID |
| RB_SR | 12.29 | | | MS-ID |
| RB87_SR86 | 35.68 | | | MS-ID |
| SR87_SR86 | 0.74539 | | | MS |
| SR87_SR86_INITIAL | 0.70843 | | | MS |
References
- Kistler, R W; Champion, D E (2001) Rb-Sr whole-rock and mineral ages, K-Ar, (super 40) Ar/ (super 39) Ar, and U-Pb mineral ages, and strontium, lead, neodymium, and oxygen isotopic compositions for granitic rocks from the Salinian Composite Terrane, California. Open-File Report - U. S. Geological Survey. 2001.
