chalk containing clay
71geochronology — geochronologic /jee oh kron l oj ik/, geochronological, adj. geochronologist, n. /jee oh kreuh nol euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890 95; GEO + CHRONOLOGY] * * *… …
72mining — /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… …
73Calcium carbonate — Calcium carbonate …
74Geology of Jersey — The geology of Jersey is characterised by the Late Proterozoic Brioverian volcanics, the Cadomian Orogeny, and only small signs of later deposits from the Cambrian and Quaternary periods. The kind of rocks go from conglomerate to shale, volcanic …
75Weathering — This article is about weathering of rocks and minerals. For weathering of polymers, see Polymer degradation and Weather testing of polymers. Weathering is the breaking down of rocks, soils and minerals as well as artificial materials through… …
76Canvey Island — infobox UK place country = England official name= Canvey Island static static image caption= Canvey Island s seawall and the adjacent environments at Leigh Beck. latitude= 51.5171 longitude= 0.5784 population = 37,479 shire district= Castle Point …
77Greensand Ridge — The Greensand Ridge is the name given to the sandstone ridge running through Hampshire, Surrey and Kent.It is a part of a series of ridges running from west to east across the south east England. These ridges are the remains of the Wealden dome,… …
78Cliffe, Kent — Coordinates: 51°27′43″N 0°29′51″E / 51.4619°N 0.4975°E / 51.4619; 0.4975 …
79Pelagic sediments — Pelagic sediment or pelagite is a fine grained sediment that has accumulated by the settling of particles through the water column to the ocean floor beneath the open ocean far from land. These particles consist primarily of either the… …
80textile — /teks tuyl, til/, n. 1. any cloth or goods produced by weaving, knitting, or felting. 2. a material, as a fiber or yarn, used in or suitable for weaving: Glass can be used as a textile. adj. 3. woven or capable of being woven: textile fabrics. 4 …
