unstratified

[ uhn-strat-uh-fahyd ]

/ ʌnˈstræt əˌfaɪd /

not stratified; not arranged in strata or layers: unstratified rocks.

Origin of unstratified

1765–75; un-¹ + stratified

The granite, the unstratified rocks, form the backbone of the continent; they are the underlying rocks.

The Chautauquan, Vol. III, January 1883 |The Chautauquan Literary and Scientific Circle
Over much of the northern states there is spread an unstratified stony clay called the drift.

The Elements of Geology |William Harmon Norton
The boulders of Erreré do not rest on the stratified sandstone of the Serra, but are sunk in the unstratified mass of the clay.

The Atlantic Monthly, Volume 18, No. 106, August, 1866 |Various
From this arrangement they have been termed “stratified,” in contrast to the unstratified or igneous series.

Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 |Various

They also are seen, in some instances, to pass insensibly into the unstratified division of a, or the Plutonic rocks.

A Manual of Elementary Geology |Charles Lyell.

unstratified

/ (ʌnˈstrætɪˌfaɪd) /

(esp of igneous rocks and rock formations) not occurring in distinct layers or strata; not stratified