| Item-Number: | 190001 |
| Item-Description: | Layered Lower Proterazoic sedimentary greenstone from the Guyana Shield |
| Medium: | Sedimentary Rock |
| Origin: | Guyana - Issano Mazaruni District |
| Dimensions: | |
| Age: | Paleoproterozoic (2.26 - 2.09 Ga) |
| Provenance: | Guyana Shield |
| Condition: | Excellent |
| Notes: | This rock is approximately 2.5 billion years old, Lower Proterozic in age. Collected in the Honey Camp goldfield, Issano. |
