Psammite: Difference between revisions

'''Psammite''' ([[Ancient Greek|Greek]] ''psammos'', Sand) is a general term for [[sandstone]]. It is equivalent to the Latin-derived term [[arenite]].<ref name="U.S.BureauofMines1996a">U.S. Bureau of Mines Staff (1996) ''Dictionary of Mining, Mineral, & Related Terms.'' Report SP-96-1, U.S. Department of Interior, U.S. Bureau of Mines, Washington, D.C.</ref><ref name="Neuendorf Others2005a">Neuendorf, K.K.E., J.P. Mehl, Jr., and J.A. Jackson, J.A., eds. (2005) ''Glossary of Geology'' (5th ed.). Alexandria, Virginia, American Geological Institute, Washington, DC 779 pp.</ref> Also, it is commonly used in various publications to describe a metamorphosed sedimentary rock with a dominantly sandstone [[protolith]].<ref name="Tyrell1921a">Tyrell, G. W. (1921) ''Some points in petrographic nomenclature.'' Geological Magazine. v. 58, no. 11, pp. 494-502.</ref> In Europe, this term was formerly used for a fine-grained, fissile, clayey sandstone.<ref name="Neuendorf Others2005a"/> Pettijohn <ref>[[Francis J. Pettijohn|Pettijohn F. J.]] (1975), ''Sedimentary Rocks'', Harper & Row, ISBN 0-960451906-1045191-2 {{Please check ISBN|reason=Check digit (2) does not correspond to calculated figure.}}</ref> gives the following descriptive terms based on grain size, avoiding the use of terms such as "clay" or "argillaceous" which carry an implication of chemical composition: