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The term “Blue Clay” is most closely related to caliche or bentonite soil. It is more of a broad term referring to any one of a number of expansive soils and clays in Southern Utah. Specifically, it refers to a bluish purple layer of clay called the Chinle formation.
n whole or part of shale, claystone, or mudstone strata, which contain expansive clay minerals. These rock units and the expansive soils derived from them are capable of significant expansion and contraction when wetted and dried, causing structural damage to buildi.
9 wrz 2018 · The blue clay in St. George is a type of illite/smectite, which is an expandable clay; therefore, it absorbs water and expands. Our Geological Wonderland: “Don’t build on blue clay!”
We know, for example, that new geologic maps of the St. George area more accurately show the location of the region’s infamous bentonite clay (known locally as “blue clay”), which is responsible for numerous foundation problems, and other geologic hazards that engineers and planners are now addressing.
28 kwi 2019 · Outcrop of blue clay along Riverside Drive at the south end of Foremaster Ridge. White arrows indicate unconformable contact with overlying geologically young river gravel deposits and covering...
31 mar 2006 · Blue Clay problems in the St. George area sometimes add $20,000 to the cost of a home. Soil samples from the test will be analyzed at a laboratory. Results are expected in a few weeks. Experts...
GYPSIFEROUS-SOIL-ANDROCK-SUSCEPTIBILITY MAP FOR THE ST. GEORGE–HURRICANE METROPOLITAN AREA Basemap consists of National Agricultural Imagery Program natural color aerial photography. Universal Transverse Mercator Projection, zone 12. North American Datum 1983. Old US-91 min His North Litle Vally §¨¦ 15 §¨¦ 15 §¨¦ 15 §¨¦ 15 Mien r ...
