isopachyten.
/ʌɪsəʊˈpakʌɪt/ Geology.
A line on a map or diagram joining points below which a particular stratum or group of strata has the same thickness.
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the world > the earth > earth sciences > geography > map-making > map > [noun] > line on map > geological features or phenomena
isoseismal1883
isobase1892
isopachyte1912
isovol1915
isopach1918
isograd1924
isochron1968
1912 Compt. Rend. XI Congrès Géol. Internat. I. 250 A series of maps was prepared..and on them were drawn isopachytes, or lines marking points of equal thickness.
1946 Nature 13 July 49/2 The detailed stratigraphy of the Coal Measures, shown by isopachyte maps and many other data, gives an insight into the development of this sedimentary series.
1969 G. M. Bennison & A. E. Wright Geol. Hist. Brit. Isles iv. 77 Isopachytes for the Cambrian as a whole..must be interpreted with caution.., but they provide some indication of the form of the Cambrian geosyncline in Wales.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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n.1912