Glossary
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Limestone
A sedimentary rock composed almost entirely of calcium carbonate (CaCO3), mainly as calcite. Limestones consist of fragments of shell or of calcite deposits precipitated by certain algae.
Littoral
The beach, the space between high and low tide marks, or water a little below low water mark.
Luffing boom
A conveyer on a dredger which can be raised, lowered and swivelled in a radial fashion for the unloading of a cargo.