Stock (geology)

In geology, a stock is an igneous intrusion that has a surface exposure of less than 100 square kilometres (40 sq mi),[1][2] differing from batholiths only in being smaller.

A stock has a discordant relationship with the rocks that it intrudes.

Many stocks are cupolas of hidden batholiths.

[3][2] Some circular or elliptical stocks may be volcanic plugs, which fill the vents of now extinct volcanoes.

This article about igneous petrology is a stub.