If you've worked as a Geologist in the West, its a fairly safe bet J.T. Pardee visited your field area decades before you arrived....

Thanks for all who attended the 2023 Friends of the Pleistocene PNW Cell's field trip and for sending in your pics! Calcrete. Proper...

Pillow-palagonite complexes form when molten lava invades a water body and quenches. Pillows are the quenched blobs of lava. Glassy...