040120e

Sandstone with thin muddy laminae, large plagioclase particle in center of image, thin section photomicrograph, crossed polarizers. Cretaceous Rodessa Formation, Citronelle Field, South Alabama, 11,500 feet below the surface.

040120d

Cross-bedded a very fine micaceous sandstone, crossbeds made obvious by bright pink mica flakes, most equant grains are quartz, Cretaceous Rodessa Formation, Citronelle oil field, South Alabama, 11,500 feet below the surface, thin section photomicrograph, crossed polarizers.

041919c

A ripple made of mica and quartz, bright colors are mica and quartz is gray, thin-section photomicrograph, crossed polarizers, Rodessa Formation, about 2 miles below the surface, Citronelle Field, Alabama.

021919c

Cross laminae of mica (bright colors and shades of brown) and quartz (gray and white). Thin section photomicrograph. 2.5 mm wide field of view.

021519d

Mica, through a polarizing microscope.

3D photomicrographs are sculptures

red-stained world and past
city limits is just gone
in a 4D scope