← Search
Sample PD-1
NavDat sample number 7965 · BASALT
Sample
| Sample ID | PD-1 |
|---|
| Rock name | BASALT |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | MAFIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | K.S. Murray, 1975 |
|---|
| Comment | Sparsely porphyritic microphenocryst phases include twinned aluminous pyroxene, 7%; olivine, 6%; plagioclase, 4%; and hypersthene, 1%. In the hypocrystalline groundmass, plagioclase represents 40%, glass 10%, iron oxides 12%, and devitrification products 10%. |
Location
| Latitude | 33.4486 |
|---|
| Longitude | -114.87 |
|---|
| Location | northern Palo Verde Mountains |
|---|
| State / province | California |
|---|
| Volcanic field | Palo Verde Mountain |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 17.2 |
|
16.3 |
18.1 |
|
|
Analyses
No chemical analyses are stored for this sample.