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一、前言海泡石(Sepiolite)是一种罕见而有用的层状镁质硅酸盐矿物,它是热液作用或风化作用的产物,这种矿物国内过去很少发现和报导。近年来在湖南、江西等地的二叠系地层中发现具工业价值的海相沉积海泡石粘土矿床。由于它具有耐热、耐盐浸及高粘度等特性,是优质钻探泥浆原料,在地热、石油和深海钻探中尤为宝贵,在工业上十分有用。据报导,海泡石发现于1750年,但直到1937年才确定它是一种独立矿物。1955年提出海泡石的结构模型。1957年Brauner和Preisinger在前人工作的基础上对海泡石的结构
I. Preface Sepiolite is a rare and useful layered magnesian silicate mineral that is the result of hydrothermal or weathering. This mineral has rarely been previously reported and reported domestically. In recent years, marine sedimentary sepiolite clay deposits with industrial value have been found in Permian strata in Hunan, Jiangxi and other places. Because of its heat resistance, salt immersion and high viscosity properties, it is a premium drilling mud material and is particularly valuable in geothermal, oil and deep sea drilling and is industrially very useful. It was reported that sepiolite was discovered in 1750, but it was not established as a separate mineral until 1937. 1955 Proposed structural model of sepiolite. 1957 Brauner and Preisinger work on the basis of predecessors on the structure of sepiolite