post rockn.1
/ˈpəʊs(t) rɒk/, U.S. /ˈpoʊs(t) ˌrɑk/ U.S.
A fine-grained limestone found in north central Kansas and used locally for making fence posts, lintels, etc.
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the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > limestone > type of
mailley1747
madrepore1809
limestone1813
roach1813
madrepore marble1839
majolica1866
post rock1958
1958 G. Muilenburg Land of Post Rock 3 You will know that you have reached the ‘land of the post rock’..when you begin seeing miles and miles of stone fenceposts along roads and about the fields and pastures.
1977 Geogr. Rev. 67 115 Post rock happens to be of a convenient and uniform thickness (eight inches), close to the surface, generally free from jointing, and soft enough when initially exposed to work conveniently with hand tools.
1992 J. Lehrer Bus of my Own (1993) xiii. 226 Post rock is white shale that European settlers in the 1800s dug up to use as fence posts.
This is a new entry (OED Third Edition, December 2006; most recently modified version published online March 2022).
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