alluvial layer in a sentence

1. An alluvial layer is often found overlying the older bay mud.
2. The upper alluvial layers consist of partially stratified sand and silt mixed with layers of gravel.
3. This exposed the alluvial layers and began to wash out artifacts from the nearly 14, 000 year occupation.
4. The alluvial layer covering it is more than 400, 000 years old, making the remains about half a million years old.
5. The Early Archaic artifacts are found just above Paleosol 1, which divides the Middle and Early Rodgers alluvial layers ( Ray et al . 1998 : 77 ).
6. It's difficult to find alluvial layer in a sentence.
7. Likely occurring in the Pliocene, it was followed by deposits of layers of detritic and calcareous sediments, that included brownish-red alluvial layers, along the island's flanks and beach.
8. Rainfall, especially during the summer monsoon, percolates into the bhabar, then is forced to the surface by finer alluvial layers below it in a zone of springs and marshes along the northern edge of the Terai or plains.