22 янв. 2020 г. · Most of the crystal formation occurs when large floods concentrate the mineralized water every 10 to 14 years. Wind and water break down these ...

The gypsum that forms the white sands was deposited at the bottom of a shallow sea that covered the region 250 million years ago during the Permian era. Over ...

As the climate warmed, rain and snowmelt dissolved gypsum from the surrounding mountains and carried it into the basin. Further warming and drying caused the ...

11 июл. 2009 г. · The sands of White Sands National Monument are formed from gypsum, a soft mineral often left behind when water bodies evaporate. Although ...

The basin was formed by sunken and tilted fault blocks that were subsequently buried by sediments eroded mostly from the nearby San Andres and Sacramento ...

3 дек. 2022 г. · Gypsum is a mineral composed of calcium sulfate, and the dunes at White Sands are formed from windblown gypsum crystals. The expansive dune ...

Volcanic activity, such as the eruption of volcanoes near coastlines, can also contribute to the formation of white sand beaches by releasing fine-grained ...

17 мая 2023 г. · The park's unique landscape of white gypsum sand dunes was formed through a complex geological process that began around 30 million years ago.

28 окт. 2020 г. · The dunes are made of gypsum, from a geologic formation 260 million years old, created when the Southwest was covered by shallow seas. Unlike ...