单词 | greensand |
释义 | greensand (once / 41327 pages) n WORD FAMILY greensand: greensands USAGE EXAMPLESThey obtain phosphorus from rock phosphate and multiple trace elements from greensand mined from ocean deposits. Washington Post(Nov 27, 2014) It's like a Plan B video set in Wealden Greensand. The Guardian(Jun 29, 2012) “Mid Kents” are derived principally from the Greensand soils and outcrops of the London Tertiaries in the upper part of the district. Various, Encyclopaedia Britannica, 11th Edit...(2012) n an olive-green sandstone containing glauconite Hyper sandstone a sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.) |
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