TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

CLINTON IRONSTONE [1 record]

Record 1 2006-06-01

English

Subject field(s)
  • Iron and Manganese Mining
  • Petrography
DEF

A red, fossiliferous iron ore, e.g. the Clinton Formation (Middle Silurian) or correlative rocks of the east-central U.S., containing lenticular or oolitic grains of hematite.

CONT

Phanerozoic ironstones ... are usually classified into two types, Clinton and Minette. ... Clinton type ... forms deep red to purple massive beds of oolitic hematite-chamosite-siderite rock. The iron content is about 40-50%... Clinton ironstones are associated with carbonaceous shale, sandy shales, dolomite and limestone. They form lenticular beds usually 2-3 m thick and never greater than 13 m. ... only locally may the lenses be thick enough to be mined.

CONT

In the Phanerozoic the place of BIF is taken by the Clinton and Minette ironstones.

French

Domaine(s)
  • Mines de fer et de manganèse
  • Pétrographie

Spanish

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