"formation" in inglés with examples - Collocation dictionary inglés
- Huge deposits have been found in banded iron formations.
- These iron formations are abundant in the Lake Superior region.
- Huge deposits of hematite are found in banded iron formations.
- Here, up to 300 million years is represented by a single unit of banded iron formation and shale.
- A productive belt of iron formations is known as an iron range.
- They are smaller in size and less likely to be deformed or metamorphosed than iron formations.
- However, iron formations are mainly Precambrian in age which means that they are 4600 to 590 million years old.
- Large deposits of iron are found in banded iron formations.
- Furthermore, there is a banded iron formation present in the bluffs.
- Samples taken from the iron formation have shown up to 37.71% Fe.
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