单语范例（未经PONS编辑处理）
英语
- Iron minerals take up dissolved nutrients and carry them to the seafloor, where they eventually become preserved in rock.news.discovery.com
- Iron minerals record the strength and direction of the magnetic field that was present during their formation.www.wired.com
- They comprised an ancient seafloor made of volcanic rock, but there are also layers of iron minerals that precipitated out of the seawater.arstechnica.com
- It is a valuable iron mineral, since it is 48% iron and contains no sulfur or phosphorus.en.wikipedia.org
- However, historically (at least), iron sulfide (iron pyrite), though a common iron mineral, has not been used as an ore for the production of iron metal.en.wikipedia.org
- The nodules consist of iron minerals, carbon substances and mica; as the metamorphic temperature rises, minerals such as andalusite or chiastolite increasingly occur.en.wikipedia.org
- The team analyzed the distribution and type of iron minerals in pigeon tissues and discovered that they were not magnetosensitive neurons as originally thought.www.asianscientist.com
- Heavier minerals, principally gold and fine-grained black sands (various iron minerals) are separated from the paydirt and reconcentrated by this means.en.wikipedia.org
- They can contain iron minerals from the following groups: oxides, carbonates, and silicates.en.wikipedia.org
- To understand the nutrient composition of the ancient oceans, it's important to know which iron minerals were around at the time.news.discovery.com
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英语