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Sample BL3-88
NavDat sample number 42511 · TONALITE
Sample
| Sample ID | BL3-88 |
|---|
| Rock name | TONALITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.0214 |
|---|
| Longitude | -122.053 |
|---|
| State / province | California |
|---|
| Location comment | granitoid rocks in the Bonny Doon, Felton and Santa Cruz area of the Santa Cruz Mountains |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 85.14 |
|
76.626 |
93.654 |
|
|
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|
| RB | 96.8 | | PPM | EDXRF |
| SR | 377 | | PPM | EDXRF |
| RB_SR | 0.256 | | | MS |
| RB87_SR86 | 0.743 | | | MS |
| SR87_SR86 | 0.70809 | | | MS |
| SR87_SR86_INITIAL | 0.70722 | | | MS |
| RB | 511.7 | | PPM | MS-ID |
| SR | 13.8 | | PPM | MS-ID |
| RB_SR | 37.04 | | | MS-ID |
| RB87_SR86 | 108.519 | | | MS-ID |
| SR87_SR86 | 0.83846 | | | MS |
| SR87_SR86_INITIAL | 0.70719 | | | 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.
