desert varnish

desert varnish
noun Date: circa 1898 a dark coating which is found on rocks after long exposure in desert regions and whose color is due to iron and manganese oxides

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Desert varnish — in Horseshoe Canyon, Canyonlands National Park, Utah. Desert varnish, or rock varnish is a orange yellow to black coating found on exposed rock surfaces in arid environments. Desert varnish is usually around one micron thick and present nanometre …   Wikipedia

  • desert varnish — the dark, lustrous coating or crust, usually of manganese and iron oxides, that forms on rocks, pebbles, etc., when exposed to weathering in the desert. Also called desert polish. [1900 05] * * * or patina Thin, dark red to black mineral coating… …   Universalium

  • desert varnish — noun or desert polish : a dark coating or polish found on rocks and pebbles after long exposure in desert regions …   Useful english dictionary

  • desert varnish —    (not preferred)    refer to rock varnish …   Glossary of landform and geologic terms

  • desert varnish — /ˈdɛzət vanɪʃ/ (say dezuht vahnish) noun a dark coating, composed principally of fine grained clay minerals, found on rocks or stone in arid regions …   Australian English dictionary

  • Desert pavement — near Barstow, California, in the Mojave Desert. A desert pavement is a desert surface that is covered with closely packed, interlocking angular or rounded rock fragments of pebble and cobble size …   Wikipedia

  • Varnish — is a transparent, hard, protective finish or film primarily used in wood finishing but also for other materials. Varnish is traditionally a combination of a drying oil, a resin, and a thinner or solvent. Varnish finishes are usually glossy but… …   Wikipedia

  • Varnish (disambiguation) — Varnish is a mixture used to harden primarily wood.* Varnish * Desert Varnish * Varnish cache A reverse proxy program …   Wikipedia

  • desert — desert1 desertic /di zerr tik/, adj. desertlike, adj. /dez euhrt/, n. 1. a region so arid because of little rainfall that it supports only sparse and widely spaced vegetation or no vegetation at all: The Sahara is a vast sandy desert. 2. any area …   Universalium

  • desert polish — noun see desert varnish …   Useful english dictionary

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