A review and a synthesis of the geological, mineralogical, and crystal chemical data
available in the literature on active Spanish bentonitic exploitations were done, and at the …

Bentonites are clay rocks consisting predominantly of smectite. They form mainly from
alteration of pyroclastic and/or volcaniclastic rocks. Extensive deposits, linked to large …

Because of their many novel and advanced applications, there is increasing interest in layer
silicates from the scientific and technical communities. Appropriate application of these …

通过岩心分析, 显微镜下观察(常规, 铸体薄片和扫描电镜), 岩石地球化学分析测试等技术手段,
以准噶尔盆地西北缘下二叠统油气储层为实例, 研究了火山岩, 火山碎屑岩和火山岩屑质砂砾岩 …

Clays have been used by man since prehistoric times. Initially they were used almost
exclusively in the fabrication of ceramics; nowadays they find numerous industrial and …

An aluminous montmorillonite has been synthesized at hydrothermal conditions (623K,
120MPa) and compared to the natural Na-exchanged Wyoming montmorillonite (Na-SWy2) …

通过镜下观察(岩石, 铸体薄片和扫描电镜) 与岩心分析, 结合地层水分析结果,
岩矿组成和物性数据等, 以准噶尔盆地克-夏地区下二叠统为例, 系统研究了含火山物质油气储层 …

Layer charge is an important property of 2: 1 phyllosilicates originating from isomorphic
substitutions in the structure, from vacancies in the octahedral sheet and from unsatisfied …

The Gourougou volcanic massif (northeastern Morocco) is actively prospected for bentonite
deposits. Five bentonites originating from different environments were selected for the …

Mineral phases and modes of occurrence of rare earth elements and yttrium (REE) in
weathering environments are poorly understood but constitute a potential economic source …