Sentences with phrase «high levels of calcium carbonate»
They concluded that hard - bodied lifeforms were first present only in such environments where high levels of calcium carbonate allowed organisms to develop primitive hard parts.
https://www.sciencedaily.com/
The team examined a range of fossils unearthed from limestone rocks in Siberia, which formed millions of years ago from seawater with high levels of calcium carbonate.
Not exact matches
These soils have heavy accumulations of calcium carbonate (lime), which raises the pH to unacceptably high levels.