rock varnishes

A form of rock varnish — A dark coating on rock surfaces exposed to the atmosphere, mostly comprising clay and oxides, which grows at only a few micrometers per thousand years; found especially in arid deserts.

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Meanings

noun
  1. pluralplural of rock varnish
Cite this entry
APA

rock varnishes. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/rock%20varnishes

MLA

“rock varnishes.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rock%20varnishes. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “rock varnishes,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/rock%20varnishes.

Source: rock varnishes on Wiktionary, CC BY-SA 4.0.