pudding stone

Also pud·ding·stone

[poo d-ing-stohn] /ˈpʊd ɪŋˌstoʊn/.

Origin of pudding stone

First recorded in 1745–55

They are built of blocks of pudding-stone, originally well jointed, but now much weathered.

Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 |Various
The ground presents a great many friable rocks of pudding-stone, distributed in irregular strata.

A Dictionary of Arts, Manufactures and Mines |Andrew Ure
The strata here descend to the bottom of the river, which is above the place of the pudding-stone and vertical strata.

Theory of the Earth, Volume 1 (of 4) |James Hutton
The rocks are pudding-stone and sandstone, and belong to the Porcupine Mountain development.

Personal Memoirs Of A Residence Of Thirty Years With The Indian Tribes On The American Frontiers |Henry Rowe Schoolcraft

When the pebbles are rounded the conglomerate is a pudding-stone.

Roman Mosaics |Hugh Macmillan

pudding stone

a conglomerate rock in which there is a difference in colour or composition between the pebbles and the matrix