bleach spot

bleach spot

[′blēch ‚spät]
(geology)
A green or yellow area in red rocks formed by reduction of ferric oxide around an organic particle. Also known as deoxidation sphere.
References in periodicals archive ?
They also perform carpet repairs, stretching, bleach spot dying, and dye and stain removal.
Other services provided include carpet repairs, deodorizing, tinting, dyeing, seam repair and bleach spot removal.