Gypsum Sand in New Mexico

Gypsum Sand in New Mexico

Gypsum Sand in New Mexico, The “sand” in these miles of shifting dunes is not composed of silica, like most inland sand. Interestingly, the sand at White Sands is almost pure gypsum. Gypsum is different from many other rocks because it is readily soluble.

That means it will dissolve in water, just like sugar or salt. When rain falls on the mountains, the layers of gypsum start to dissolve, and the gypsum runs down the mountains as fast as the water can carry it.

Gypsum Sand in New Mexico

Since the Tularosa Basin and the dunes are fully enclosed, there is no outlet to water of any kind, so the gypsum stays in the monument.

Gypsum is actually a clear substance; the dunes appear white like snow because the gypsum grains are constantly banging into each other. The scratches then reflect the sun’s rays making them appear white.

Gypsum Sand in New Mexico

Also, unlike silica sand, gypsum doesn’t absorb heat from the sun. So even on the hottest day of the year, the dunes are cool and comfortable to walk on, making White Sands a nice stop in the summer. Just visit when the sunrays are not at their peak, and remember to bring plenty of water to drink.

The gypsum dunes are home to a unique ecosystem of plants and wildlife, many of which only exist here in the northern end of the Chihuahuan Desert.

Gypsum Sand in New Mexico

Have a wonderful weekend.

Gypsum Sand in New Mexico

Sandra J

35 Replies to “Gypsum Sand in New Mexico”

    1. It is an interesting place, extreme heat during the summer, when we were there people were sledding down the small hills like it was snow.

  1. Utterly fascinating Sandra! Thank you for sharing not only your photographs but also the information you have learned about the gypsum sand.

    1. You are very welcome, there are so many interesting things our creator has made for us to see. Fascinating indeed, this trip has shown me a world I never knew existed except in books and such.

  2. I have been there!! I can not wait to go again!! This is my most favorite place on earth it is absolutely spectacular in every way!!!

        1. It is rare to find sometimes, where people have not been, like on beaches. I always go out early in the mornings when near a beach after all the foot prints have been washed a way. Best time of the day. Have a great weekend as well Kellye 🙂

  3. Thanks Sandra. Very interesting information and cool photos. What great memories y’all must have of so many new places. Have a great weekend also. (If you haven’t already, check out Gary’s latest.)

  4. sandtastic. 💖 these!

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  5. It really amazes me that life is still possible in this white gypsum desert. Thank you for showing us this special area and for the information you give us. Have a nice weekend Sandra.

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