shell deposits
1Shell Grotto, Margate — The Shell Grotto off Grotto Hill, Margate, consists of a winding subterranean passageway, about convert|8|ft|m|abbr=on high and convert|70|ft|m|abbr=on in length, terminating in a rectangular room (the altar chamber) approximately… …
2Shell Grotto — The Shell Grotto is an ornate subterranean passageway in Margate, Kent. Almost all the surface area of the walls and roof is covered in mosaics created entirely of seashells, totalling about 2,000 square feet (190 m2) of mosaic, or 4.6… …
3Mollusc shell — Closed and open shells of a marine bivalve, Petricola pholadiformis. A bivalve shell is composed of two hinged valves which are joined by a ligament …
4Screw shell — Screw Screw (skr[udd]), n. [OE. scrue, OF. escroue, escroe, female screw, F. [ e]crou, L. scrobis a ditch, trench, in LL., the hole made by swine in rooting; cf. D. schroef a screw, G. schraube, Icel. skr[=u]fa.] 1. A cylinder, or a cylindrical… …
5worm shell — ▪ gastropod family any marine snail of the family Vermetidae (subclass Prosobranchia, class Gastropoda). The shell of these snails consists of an irregularly coiled, narrow tube that resembles a worm. Most species of both families live… …
6mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
7Midden — Kitchen midden at Elizabeth Island, Strait of Magellan as excavated by the Albatross party with the Albatross at anchor …
8Chittenango ovate amber snail — Drawing of …
9Atlantic Ocean — an ocean bounded by North America and South America in the Western Hemisphere and by Europe and Africa in the Eastern Hemisphere. ab. 31,530,000 sq. mi. (81,663,000 sq. km); with connecting seas ab. 41,000,000 sq. mi. (106,100,000 sq. km);… …
10Chantuto Archaeological Site — Coastal Collectors According to work published by archaeologist Dr. Barbara Voorhies, the Chantuto name references to the people who belonged to the coastal region of Southwest Mexico, dating back to between 5500 1500 BC (7,500 3,500 years ago).… …
