siliceous earth


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siliceous earth

[sə′lish·əs ′ərth]
(geology)
A loose, friable, soft, porous, lightweight, fine-grained, and usually white siliceous sediment, usually derived from the remains of organisms.
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References in periodicals archive ?
Aktifit PF 111 is a Calcined Neuburg Siliceous Earth with a surface modified with a special alkyl silane.
8220;My new scrub is full of siliceous earth, straight from the floors of the dead sea.
Hoffmann Minerals is the manufacturer of neuburg siliceous earth, which it says is a mineral functional filler that is a combination of kaolinite and silica used for various coating applications.