An impure porous form of limonite deposited in bogs.
沼铁矿
Example sentencesExamples
The very earliest tools were probably made of local bog iron.
Several large pieces of iron slag suggest the village was self-sufficient for iron tools, perhaps using ‘bog iron’ as raw material.
Bog iron is a renewable resource, making it particularly important.
Also needed were iron ore or bog iron, limestone to be used as the purifying flux, and a water power source to run the bellows to deliver huge amounts of air into the blast for twenty-four-hour-a-day operations.
Bog iron is naturally occurring in and around Kingston and is extracted from the iron-rich sediment found in many swampy areas.
Definition of bog iron in US English:
bog iron
noun
Soft, spongy goethite deposited in bogs.
Example sentencesExamples
Several large pieces of iron slag suggest the village was self-sufficient for iron tools, perhaps using ‘bog iron’ as raw material.
Bog iron is naturally occurring in and around Kingston and is extracted from the iron-rich sediment found in many swampy areas.
The very earliest tools were probably made of local bog iron.
Bog iron is a renewable resource, making it particularly important.
Also needed were iron ore or bog iron, limestone to be used as the purifying flux, and a water power source to run the bellows to deliver huge amounts of air into the blast for twenty-four-hour-a-day operations.