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A Sedimentary stone of fine-grain, consolidated particles. Siltstone grains usually measure 0.01 - 0.05 millimeters (Aston et al 2000). The grains are composed of Quartz or Clay cemented with Chlorite, Mica, Epidote, and Calcite. The color of siltstone ranges from dark gray to greenish gray. Siltstone does not have the pronounced layering of Shale and Schist.
Synonyms and Related Terms
silt stone; siltito (Port.); Siltstein (Deut.); siltsteen (Ned.)
Physical and Chemical Properties
Particle size 0.01 - 0.05 mm
Resources and Citations
- B.Aston, J.Harrell, I.Shaw, "Stone" in Ancient Egyptian Materials and Technology, P.Nicholson, I.Shaw (eds.), Cambridge University Press, 2000, p. 57-58.
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 174
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996