The scientific tourist #326 — granularity

It’s been a while since I talked about White Sands National Monument — so today, let’s take a closer view of it.  Here’s a very close-up look at the sands themselves:

Granularity

As I mentioned previously,the sands of White Sands aren’t your usual white beach sand — they’re made of gypsum, dissolved by rivers from local mountains, precipitated out, then blown into dunes by the area’s prevailing winds.  In the process, the soft gypsum crystals (starting in various tabular, lenticular, and columnar shapes) are tumbled into rounded often-cylindrical shapes very different from what you’d see on a beach.

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One Response to The scientific tourist #326 — granularity

  1. Peter says:

    First of all I would like to say terrific blog! I had a quick question which I’d like to ask if you don’t mind. I was interested to find out how you center yourself and clear your mind prior to writing. I have had a tough time clearing my mind in getting my thoughts out. I truly do enjoy writing however it just seems like the first 10 to 15 minutes are usually lost just trying to figure out how to begin. Any ideas or hints? Kudos!
    Peter recently posted..Notariusz w Katowicach

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