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Where does Oklahoma red dirt come from?

The deeper layers around here reveal compressed sand and sandstone. Underneath that is ~30m-year-old, fossilized ocean-bottom.

This area is flat and has no volcanic activity that I know of. So where did all this red dirt come from?

6 Answers

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  • 1 decade ago
    Favorite Answer

    You probably mean central Oklahoma; the ground around

    that area is brick-red in places. The red color comes from

    small amounts of ferric (iron) oxide mixed in with the clay

    and other materials that form the dirt. Apparently the ferric

    oxide was present in the same rock formations as the other

    materials that weathered over the years to form the soil and

    mixed in with it, giving it the red color.

    Incidentally, it is very good for growing many crops. If there

    is ample rain, that is good farm land.

    Source(s): I went to the University of Oklahoma and have analyzed samples for iron content - it's there.
  • 4 years ago

    Oklahoma Red Dirt

  • Anonymous
    5 years ago

    For the best answers, search on this site https://shorturl.im/v1GQW

    When the weather is colder than I like for bathing but bathing necessary I get a bucket of warm/hot water, shampoo and brush and I spot clean. If there is a large red spot on my gray horse I clean that by dipping the brush in the warm water, putting some shampoo on the brush and then scrubbing the horse with it adding more water to the brush as necessary. I then use some non soapy water and another brush to rinse with and get the soap off. I squeegee the water off as much a possible, scrub up with dry towell and then cover the horse with fleece cooler til she's dry. For the rest of the horse I use Show Sheen liberally the day before the show (and after any bath the horse might get) and brush well with a stiff brush. The next day I brush and brush and brush. The Show Sheen actually repels dust and dirt out of the coat.

  • Anonymous
    1 decade ago

    Most of the red dirt you see in Oklahoma - at least around OKC is derived from the Hennessy Shale which is Permian(?) age about 230 milliion years old ......it is definitely NOT 30 mmilion years old.

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  • ?
    Lv 6
    1 decade ago

    Aluminum oxide and leached earth

  • Anonymous
    5 years ago

    Thanks! Extremely informative and it gives me better knowledge

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