MILLSTONE GRIT
Dictionary of Science, Literature and Art · 1842 · p. 29
A geological term applied to a group of strata which occur between the mountain limestone and the superincumbent coal formations; it is a coarse-grained quartzose sandstone. MILVINES, Milvini. A family of Raptorial birds, of which the kite (Milvus) is the type. [s. 756]
Readham'da tam maddeyi gor →