- siliceous wood
- 硅化木
English-Chinese geology dictionary (英汉地质大词典). 2013.
siliceous wood
Look at other dictionaries:
silicified wood — wood that has been changed into quartz by a replacement of the cellular structure of the wood by siliceous waters. * * * … Universalium
silicified wood — noun Etymology: from past participle of silicify : chalcedony in the form of petrified wood often preserving even microscopic details of the replaced wood * * * wood that has been changed into quartz by a replacement of the cellular structure of… … Useful english dictionary
silicified wood — /səˌlɪsəfaɪd ˈwʊd/ (say suh.lisuhfuyd wood) noun wood which has been changed into quartz by a replacement of the cellular structure of the wood by siliceous waters …
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium
pottery — /pot euh ree/, n., pl. potteries. 1. ceramic ware, esp. earthenware and stoneware. 2. the art or business of a potter; ceramics. 3. a place where earthen pots or vessels are made. [1475 85; POTTER1 + Y3] * * * I One of the oldest and most… … Universalium
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flake tool — a Paleolithic or later stone tool made from a flake struck from a larger core. [1945 50] * * * Stone Age devices, usually flint (see chert and flint), shaped by flaking off small particles or by breaking off a large flake to use as a tool.… … Universalium
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Leicestershire and Rutland Wildlife Trust — The Leicestershire and Rutland Wildlife Trust is a wildlife trust covering the counties of Leicestershire and Rutland, England. Founded in 1956, (originally under the name Leicestershire and Rutland Trust for Nature Conservation ) the trust now… … Wikipedia
chert and flint — Very fine grained quartz, a silica mineral with minor impurities. Flint is gray to black and nearly opaque (translucent brown in thin splinters). Opaque, dull, whitish to pale brown or gray specimens are called simply chert. Chert and flint… … Universalium
