- lime nodule
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известковая конкреция
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… … Universalium
Concretion — Con*cre tion, n. [L. concretio.] 1. The process of concreting; the process of uniting or of becoming united, as particles of matter into a mass; solidification. [1913 Webster] 2. A mass or nodule of solid matter formed by growing together, by… … The Collaborative International Dictionary of English
eye disease — Introduction any of the diseases or disorders that affect the human eye (eye, human). This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… … Universalium
Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine … Wikipedia
Flint — (or flintstone) is a hard, sedimentary cryptocrystalline form of the mineral quartz, [ [http://webmineral.com/data/Quartz.shtml General Quartz Information] Webmineral.com (page contains java applets depicting 3d molecular structure)] [… … Wikipedia
Knapping — A knapper is a person who shapes flint, chert, obsidian or other stone through the process of knapping or lithic reduction to manufacture stone tools, strikers for flintlock firearms, or to produce flat faced stones for building or facing walls,… … Wikipedia
Soil conservation — is set of management strategies for prevention of soil being eroded from the earth’s surface or becoming chemically altered by overuse, salinization, acidification, or other chemical soil contamination. The principal approaches these strategies… … Wikipedia
List of Japanese tea ceremony equipment — Some implements for tea ceremony. From bottom left: chashaku (tea scoop), sensu (fan), chasen kusenaoshi (whisk shaper), chasen (bamboo whisk) and fukusa (purple silk cloth) This is a list of articles used in Japanese tea ceremony. Please add… … Wikipedia
Belite — is an industrial mineral important in Portland cement manufacture, a name for dicalcium silicate, Ca2SiO4, sometimes formulated as 2 CaO · SiO2 (C2S in cement chemist notation). The name was given by Törneborn in 1897 to a crystal identified in… … Wikipedia