interbedded

[ in-ter-bed-id ]

/ ˌɪn tərˈbɛd ɪd /

lying between beds or strata of a different rock or mineral; interstratified.

Origin of interbedded

First recorded in 1870–75; inter- + bed + -ed³

In the Little Cumbrae they appear on the east side, where they underlie and are interbedded with the lavas.

Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 |Various
The coal is found, as already described, interbedded with shales and sandstones.

Scientific American Supplement, No. 447, July 26, 1884 |Various
Sheets of igneous rock are interbedded with the strata and many dikes of igneous rocks cut through the whole combination.

Geology |William J. Miller
Near Lithgow extensive deposits of limonite, or clay-band ore, are interbedded with coal.

Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 8 |Various

Interbedded with the Triassic sandstones are contemporaneous lava beds which were fed from dikes.

The Elements of Geology |William Harmon Norton

interbedded

/ (ˌɪntəˈbɛdɪd) /

geology occurring between beds, esp (of lava flows or sills) occurring between strata of a different origin or character