April 28, 2023
The ground at High House is mixed, but mostly it’s sand over chalk and flint – evidence of what was once a shallow sea.
The chalk itself is a form of limestone made up of the shells of tiny creatures.
Some of the flints we dig up are impressive, the best are found within the chalk bed. This chalk bed had various voids that filled with sediment and over time that sediment turned into quartz/flint through a process I don’t fully understand, but it involves the silica from the creatures becoming a solution, an acid, and a chemical process/reaction.
We get these:
