Walking through corn rows and into a field, Jeff Thorsen and his elderly father Maurice looked for a good spot to enter the thick, wooded area. Nothing seemed extraordinary about the seven acres ...

The Shelby County Commission has authorized county officials to negotiate the possible purchase of up to 20 acres off Shelby County 109 that would be used for chert. The land near Wilsonville is next ...

Many of the Outer Wilds mysteries we’ve explored so far have eventually pointed us to the Hourglass Twins, specifically the Ember Twin. There’s a lot to explore here, and not a lot of time to do it, ...

A spectacular cache of fossils unearthed in the rural north-east of Scotland could serve as a “Rosetta Stone” for helping us to understand early life. The Rhynie chert, first discovered in 1912 near ...

Ember Twin on our Outer Wilds walkthrough brings us one of the Outer Wilds Venturers names Chert. This walkthrough will show you how to get to his camp along with revealing a very strange rock. 00:00 ...

L-196 (Eel River Chert): Provenience includes samples from gravel deposits. Collection includes raw material, outer surface, and naturally-weathered specimens. L-196 (Eel River Chert) Eel River chert ...

L-1(Onondaga Chert): Provenience includes a prehistoric quarry. Collection includes raw material, outer surface, and naturally weathered specimens. L-1(Onondaga Chert): Chert samples from the base of ...

GRAND MEADOW, MINN. – An ancient Dakota quarry is about to become a new privately maintained trail in southeast Minnesota. The Grand Meadow Chert Quarry, or the Wahni Yukan in Dakota — so named for ...