How is chert formed
Chert is a sedimentary rock. Sedimentary rocks are formed when accumulations of sediment (small bits of rocks and minerals produced by weathering and erosion, often with some plant or animal remains mixed in) are buried, compacted, cemented, and slowly converted to rock.hert is a sedimentary rock. Sedimentary rocks are formed when accumulations of sediment (small bits of rocks and minerals produced by weathering and erosion, often with some plant or animal remains mixed in) are buried, compacted, cemented, and slowly converted to rock.