Equivalent to glaebular holo of Brewer. In cases where the nodule appears under the optical microscope to be composed of amorphous material, the term 'mottle' e.g. feruginous mottle, is used to relate to field observation and description. Nodules in which the adjacent material penetrates towards their center more or less like fingers. The entities are more or less angular and accommodate each other. Nodules formed of several more or less rounded entities that do not accommodate each other.
Individual nodules consist of two or more of the above types.
Last Updated on February 5, 1998.