oolite
A rock consisting of spherical grains within a mineral cortex accreted around a nucleus, often of quartz grains.
Noun
- A rock consisting of spherical grains within a mineral cortex accreted around a nucleus, often of quartz grains.
- Here and there are beds of oolites, for example, made of little rounded grains – like millet seed – that form only in agitated warm waters, such as you might find off the Bahamas today. - 2004, Richard Fortey, The...
- An ooid or oolith.
Origin
From oo- + -lite, after German Oolit.