Iron Oxide Minerals in Europe

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Questions and Answers

Which mineral is abundant in Precambrian iron-formations and may be either digenetic or metamorphic in origin?

  • Goethite
  • Magnetite (correct)
  • Limonite
  • Hematite

What is the dominant mineral in many Early Paleozoic ironstones, especially those of the Clinton Group (Silurian) of New York State?

  • Goethite
  • Hematite (correct)
  • Magnetite
  • Limonite

Which mineral is the principal constituent of many post-Precambrian deposits, especially the Jurassic deposits of Europe?

  • Magnetite
  • Goethite (correct)
  • Hematite
  • Limonite

What is the term best restricted to the yellow-brown amorphous product of subaerial weathering of iron oxide and other minerals?

<p>Limonite (C)</p> Signup and view all the answers

What mineral often occurs as oolites consisting of successive shells of oxide or alternating with chamosite?

<p>Goethite (A)</p> Signup and view all the answers

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