Desert Varnish
 Desert varnish coated rocks in Death Valley Nat'l Park, west of Panamint Springs, CA |
 Overturned translucent stone from Baker, CA. The glossy red under-glaze covers the undersides of opaque and translucent stones. |
 SEM image of biological detritus, apparently a diatom in this image. |
 MCF degrading on varnish coated rock from Bishop, CA, mineral platelets being incorporated. |
 MCF in depression which is probably enhanced by MCF rather than MCF forming in the depression. |
 Ultra-thin section of varnish coating. White arrows point to abundant trapped detrital grains. |
 Granite with desert varnish at Lone Pine, CA. |
