|
5 wordies list
limestone |
(n): a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
(n): material consisting of the aggregate of minerals like those making up the Earth's crust
(n): rock formed from consolidated clay sediments
|
Leave a comment, citation, or usage note
|
first listed by:
appears in these lists:
|
You know, that's a good point. Or maybe the rest of the marine animal remains decomposed, leaving the calcium deposits?
That's a good one!
The definition puzzles me though. How can the remains of marine animals deposit...anything?
Not to be taken for granite.