Flint meal is a rich source of siliceous microfossils. The material is often packed with sponge spicules, as well as foraminifera and ostracods. To collect flint meal unweathered, fresh flints recently eroded out of chalk […]
Flint meal is a rich source of siliceous microfossils. The material is often packed with sponge spicules, as well as foraminifera and ostracods. To collect flint meal unweathered, fresh flints recently eroded out of chalk […]