Digital-Desert : Mojave Desert
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Patina

The dark rocks at the end of the Hexie range are coated with a patina. Known as "desert varnish," this coating is composed of clay, iron and manganese oxides. Accumulation of this patina happens at an incredibly slow rate over thousands of years. The layers of patina can be read by scientists investigating climatic changes over these thousands of years.


Desert Varnish
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GLOSSARY > desert varnish, patina
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Digital-Desert : Mojave Desert
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