oolite

/oh-uh-lahyt/US // ˈoʊ əˌlaɪt //UK // (ˈəʊəˌlaɪt) //

白云石,乌尔禾石,奥利特,奥利特石

Definitions

n.名词 noun

1
Geology.
- : a limestone composed of minute rounded concretions resembling fish roe, in some places altered to ironstone by replacement with iron oxide.

The tests indicated that it consisted of shale of the lower oolite, and the works were let accordingly.
Roggenstein, rog′en-stīn, n. a kind of oolite in which the grains are cemented by argillaceous matter.
Upper oolitic formation, including what are called Kimmeridge clay and Portland oolite.
And where are the mighty reptile tyrants of air, earth and water of the Oolite?
On the shore at Lossiemouth there is a patch of greenish white sandstones yielding fossils characteristic of the Lower Oolite.