Chert from Dominican Republic
Dominican Republic | |
| Alfredo Petrov field observations, January 2011. |
| Alfredo Petrov field observations, January 2011. |
| Barrick Gold Corporation |
Dominican Republic | |
| Alfredo Petrov field observations, January 2011. |
| Alfredo Petrov field observations, January 2011. |
| Barrick Gold Corporation |