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diamicton
Diamicton (also diamict) (from Greek ''δια'' (dia-): through and ''µεικτός'' (meiktós): mixed) is a terrigenous sediment that is unsorted to poorly sorted and contains particles ranging in size from clay to boulders, suspended in a matrix of mud or sand.〔Jackson, J.A., J. Mehl, and K. Neuendorf (2005) ''Glossary of Geology'' American Geological Institute, Alexandria, Virginia. 800 pp. ISBN 0-922152-76-4〕〔Bennett, M.R., and N.F. Glasser (2009) ''Glacial Geology: Ice Sheets and Landforms'', 2nd Ed. John Wiley & Sons, Ltd., New York, New York. 400 pp. ISBN 978-0470516911〕〔Tucker, M.E. (2003) ''Sedimentary Rocks in the Field'' John Wiley & Sons, Ltd., New York, New York. 244 pp. ISBN 978-0470851234〕
The term was proposed by Flint and others〔Flint, R.F., J.E. Sanders, and J. Rodgers (1960) ''Diamictite, a substitute term for symmictite'' Geological Society of America Bulletin. 71(12):1809–1810.〕 as a purely descriptive term, devoid of any reference to a specific origin or depositional environment. Although the term is most commonly applied to unsorted glacial deposits (i.e., glacial till), other processes that create diamictons are solifluction, landslides, debris flows, and turbiditic olistostromes.〔〔
Lithified diamicton is referred to as diamictite.〔〔
== References ==
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抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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