Chert / flint & how I find it. "Flint" in geological terms only refers to chert formed in chalk or marl (like in the Dover Cliffs, England). "Flint" in archaeological terms refers to chert that is usable for flintknapping, and most people are familiar with this meaning. Chert can be a wide variety of grades, some of which can be knapped, others that are too chalky, tough, or large-grained. The amount of organic material in the original deposit determines the quality, and often the color as well.

Peak district chert mine Part 1 Permission visit BCA registration required Starting off as a quarry in the late 1700s this mine was driven for the extraction of chert . Chert is a rock very similar to flint amd in prehistoric times was used for making tools like axes . In more modern times it was ground down into calcined flint and used as a whitening agent in earthenware manufacture . On the 19th of June 1899 a miner was killed by a explosion inside the mine after the rigged charge failed to go

402K views · 2.5K reactions | 10” blade from Texas chert #novembersouth #flintknapping #primitiveskills #lithics #craftsmanship #artisan #stonetools #bladesmith #dragonglass #stoneknife | November South | Facebook

This spring, I found the best banded chert of the year and I finally got it all tumbled. I love it. | Michigan Rocks

Found a few good ones! Chert is a cryptocrystalline quartz family mineral that often forms from organic sources of silica from former ocean floors! it can be opaque like jasper of translucent like chalcedony! often. The basalt I'll explain in the next vid! #rockhound #geology #chert #oregoncoast #lincolncity #basalt #crystals #rockhoubding #beachcombing #nature #natureathome | Rock Your World: Rock Shop, Jewelry Studio, Online Boutique & Guided Tours