Catoctin/Fauquier contact

Catoctin/Fauquier contact
Power washing a quarry block near Aldie, VA that preserves a soft sediment contact of the Fauquier Formation cap carbonate and pillow basalt of the Catoctin Formation.

Wednesday, February 15, 2017

Efficiency of Removal of Indium


*Based on data collected at the Laboratory for Mineral Deposits Research at UMD, College Park 
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8 comments:

  1. Sam CrossleyFebruary 22, 2017 at 5:31 AM

    Nice visuals. I would have liked a little background material before talking about the equation.

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  2. UnknownFebruary 22, 2017 at 5:33 AM

    You should look at what other things affect the efficiency of removal. The equation is simple and useful, but states that the only thing controlling the efficiency if masses of indium, and not a partition coefficient or other controlling factors. You also jumped into experimental stuff (water rock ratio) without explaining the experiments first.

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  3. connorFebruary 22, 2017 at 5:34 AM

    What is your spot size? Is it possible to sample an area of the rock that is heterogeneous with In concentration? Question answered.
    Nice job making that figure.

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  4. Angela MarusiakFebruary 22, 2017 at 5:35 AM

    I agree with the previous comments. Great visuals, but it would have been better to show the equation at the end and work through the equation using the values in your table.

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  5. UnknownFebruary 22, 2017 at 5:37 AM

    Where does time fit into this equation? Are your models at equilibrium or just cut off at an arbitrary time? 20% propagated through that equation seems like it would actually be a lot of uncertainty. How large is the difference between various experimental conditions? That might be useful to explain, it would backup your claim that 20% uncertainty is not a lot. Does anything else differentiate your two scenarios besides water/rock ratio? Temperature? Pressure? Time?

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  6. Quancheng HuangFebruary 22, 2017 at 5:41 AM

    It is a straightforward equation and the figures are very helpful to explain the equation. But in the equation, it is (1 - m_fluid/m_rock) so doesn't the efficiency equal to (1-71)%=29% in senario 1?

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  7. AnonymousFebruary 22, 2017 at 5:41 AM

    I think flipping the organization may have helped me. I think I got the importance of the equation after seeing your diagrams. I did appreciate using data to perform an example calculation. However, in your sample calculation it may be helpful to include your starting conditions in the same table as your results.

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  8. UnknownFebruary 24, 2017 at 5:04 AM

    I like the figures you put into the presentation. It really helps me to better understand your equation.

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