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boulder clay

boulder clay A glacial deposit that consists of boulders of varying size in a clay-dominated matrix, laid down beneath a valley glacier or ice sheet. Typically it is unstratified and unsorted, and characterized by rock types derived from the country crossed by the depositing glacier. Boulder clay is an older term for what is now more usually known as boulder till.

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"boulder clay." A Dictionary of Ecology. . Encyclopedia.com. 11 Dec. 2017 <http://www.encyclopedia.com>.

"boulder clay." A Dictionary of Ecology. . Encyclopedia.com. (December 11, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/boulder-clay-0

"boulder clay." A Dictionary of Ecology. . Retrieved December 11, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/boulder-clay-0

boulder clay

boulder clay Glacial deposit consisting of boulders of varying size in a clay-dominated matrix, and laid down beneath a valley glacier or ice sheet. Typically it is unstratified and unsorted, and characterized by rock types derived from the country crossed by the depositing glacier. See also TILL.

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"boulder clay." A Dictionary of Earth Sciences. . Encyclopedia.com. 11 Dec. 2017 <http://www.encyclopedia.com>.

"boulder clay." A Dictionary of Earth Sciences. . Encyclopedia.com. (December 11, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/boulder-clay

"boulder clay." A Dictionary of Earth Sciences. . Retrieved December 11, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/boulder-clay

boulder clay

boulder clay: see drift.

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"boulder clay." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 11 Dec. 2017 <http://www.encyclopedia.com>.

"boulder clay." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (December 11, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/boulder-clay

"boulder clay." The Columbia Encyclopedia, 6th ed.. . Retrieved December 11, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/boulder-clay