Idea of Archeology Icon
It's a logo of a vase. The vase has a small crack on the left side. The crack runs almost all the way up the whole side and juts out towards the middle of the vase in the middle of the crack.
This page shows the different variations of the Archeology from an Icons8 icon pack. Feel free to resize and recolor the icon, and then download the icon in PNG format for free.