ListarPublicaciones por tema "Desert Varnish, Petroglyphs, Sonoran desert, Chihuahuan desert, Lithodiversity."
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Lithodiversity and cultural use of desert varnish in the northern desert of Mexico
(2022-12-03)Rock varnish is a thin layer (1-40 microns every 1000 years), dark-reddish in color (30% Mn and Fe oxides, 70% clay minerals), that coats a rock surfaces in the northern Mexiavn deserts. This accretion has been used ...