shell deposit 예문
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- Lummaton Quarry's shell deposits led to the naming of the Devonian period.
- Trenches through the shell deposits led away from these features, with additional refuse-type finds deposited to either side.
- Most of the sites that were explored contained large amounts of shell deposits with limited to no other arte / eco facts.
- The site has shell works, consisting of lines of shell deposits along the shore, and black dirt middens inland from the shells.
- Besides large deposits of China clay in Kundara, Mulavana and Chathannoor, there are also lime-shell deposits in Ashtamudi Lake and Bauxite deposits in Adichanallur.