Definition of desert varnish in English:
noun[mass noun] Geology
A dark hard film of oxides formed on exposed rock surfaces in arid regions.
- Many rocks in arid areas sport desert varnish, a dark, shiny coating rich in iron oxides and manganese oxide.
- Scientists have developed a quick, easy, portable, and nondestructive way to determine the age of desert varnish, the mysterious dark coating that slowly develops on rocks in many arid regions of the world.
- There are rocks formed in desert regions on the Earth, called desert varnish that form coatings by processes that are not well understood and at least some of these coatings look superficially like desert varnish.
Definition of desert varnish in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Spain
Most popular in Malaysia
Most popular in India
Most popular in Pakistan