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#hematite — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #hematite, aggregated by home.social.

  1. Over two billion tonnes of iron ore have been mined from the Labrador Trough of Quebec and Labrador over the last 70 years. The paleo-Proterozoic sediments have been variably metamorphosed (you can see the bend in the southern part of the belt caused by the younger Grenville orogeny). Much of the direct shipping ore is dominated by the mineral .

    The steel of your lunchtime knife and fork may have come from the Trough!

  2. Massive #hematite later brecciated by quartz veining, From the Soudan ironstone, Ely greenstone belt, Vermilion district of northern Minnesota.

    These ironstones are sandwiched between pillow basalts of approximately 2.7 billion years old.

    #MinCup25 #Greenstone #Minnesota #Archean #IronOre

  3. Massive later brecciated by quartz veining, From the Soudan ironstone, Ely greenstone belt, Vermilion district of northern Minnesota.

    These ironstones are sandwiched between pillow basalts of approximately 2.7 billion years old.

  4. Massive #hematite later brecciated by quartz veining, From the Soudan ironstone, Ely greenstone belt, Vermilion district of northern Minnesota.

    These ironstones are sandwiched between pillow basalts of approximately 2.7 billion years old.

    #MinCup25 #Greenstone #Minnesota #Archean #IronOre

  5. Massive #hematite later brecciated by quartz veining, From the Soudan ironstone, Ely greenstone belt, Vermilion district of northern Minnesota.

    These ironstones are sandwiched between pillow basalts of approximately 2.7 billion years old.

    #MinCup25 #Greenstone #Minnesota #Archean #IronOre

  6. Massive #hematite later brecciated by quartz veining, From the Soudan ironstone, Ely greenstone belt, Vermilion district of northern Minnesota.

    These ironstones are sandwiched between pillow basalts of approximately 2.7 billion years old.

    #MinCup25 #Greenstone #Minnesota #Archean #IronOre