interstratifyv.
/ɪntəˈstratɪfʌɪ/ 1. transitive in passive. Of geological strata: To be alternated, or interspersed, with other strata.
ΘΚΠ
the world > the earth > structure of the earth > structural features > sedimentary formation > [verb (transitive)] > interstratify
interbedc1806
interstratify1822
interdigitate1969
1822 G. Young Geol. Surv. Yorks. Coast (1828) 57 The flint is not interstratified with the chalk.
1839 C. Darwin in R. Fitzroy & C. Darwin Narr. Surv. Voy. H.M.S. Adventure & Beagle III. xiii. 272 The island itself is partly composed of ice and volcanic ashes interstratified.
1863 C. Lyell Geol. Evid. Antiq. Man ix. 155 Interstratified with this gravel..are beds of sand, loam, and clay.
1876 D. Page Adv. Text-bk. Geol. (ed. 6) iii. 73 Lava and ashes will be interstratified and mingled with the sedimentary matter.
2. intransitive. To lie as strata between other strata.
ΘΚΠ
the world > the earth > structure of the earth > structural features > sedimentary formation > [verb (intransitive)] > interstratify
interstratify1880
1880 Libr. Universal Knowl. XI. 467 Sandstone, iron ore, limestone and fire-clay interstratify with the coal.
Derivatives
interˈstratified adj. placed as a stratum between other strata.
ΘΚΠ
the world > the earth > structure of the earth > structural features > sedimentary formation > [adjective] > of or belonging to a stratum > interstratified
intercalated1849
interstratified1849
interbedded1872
interfingering1960
1849 R. I. Murchison Siluria iii. 49 This..formation contains many interstratified bands of..materials.
1876 Darwin in Life & Lett. (1887) III. 214 Many irregular beds of interstratified drift.
This entry has not yet been fully updated (first published 1900; most recently modified version published online December 2018).
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