Значения для термина "red marl" отсутствуют.
1 The red marl must almost certainly have been black slate somewhere, somewhen.
2 The salt rock in Cheshire lies in strata of red marl .
3 Green and red marl , shale, and shaly limestone with some veins of gypsum.
4 Rich lowlands and oolites suit the cereals; red marl produces wonderful grazing grass; bare uplands are best for gorse and heather.
5 The difference in colour between black slate and red marl is caused simply by the oxidation of the iron in the slate.
6 And if my readers want a probable cause why the sandstones lie undermost, and the red marl uppermost-canthey not find one for themselves?
7 And the red marl - the great deposit of red marl which covers a wide region of England-whyshould not it have come from the same quarter?
8 But its rich red marls , wherever they come to the surface, are one of God's most precious gifts to this favoured land.
9 (* Magnesian limestone is of a straw-yellow colour, and contains madrepores: it lies beneath red marl , or muriatiferous red sandstone.)
Grammar, pronunciation and more
Это словосочетание состоит из: