Colusa sandstone

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Colusa Sandstone quarry

Description

A fine, even-grain, uniform blue-gray sandstone quarried in Colusa County, California that was excavated extensively for multiple stones including limestone, marble and sandstone. Colusa sandstone was obtained from massive in beds est of the lakes extending to both the north and south. Colusa sandstone is a moderately soft graywacke stone with a porous surface that has a tendency to spall with aging. It was used a dimension stone along the California coast and in the Hawaiian islands during the late 19th and early 20th centuries. Examples of its use in San Francisco include the Westin St. Francis Hotel, Trinity Episcopal Church, the flatiron Flood Building on Market Street, and the Ferry Building on the Embarcadero with its Beaux Arts façade and 240-foot tower. The stone darkens slightly with weathering.

Additional Images

Sources Checked for Data in Record

  • External source or communication: Fred Gamble, Sept. 2007
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
  • Frank A. Lent, Trade names and Descriptions of Marbles, Limestones, Sandstones, Granites and Other Building Stones Quarried in the United States Canada and other Countries., Stone Publishing Co, New York, 1925