Gilded Riverbed
December 12, 2014
Here’s another photograph from the archives, taken the same day as the photograph I posted yesterday. The gilt is really schwertmannite overlain with an iridescent film of Leptothrix discophora.
December 12, 2014
Here’s another photograph from the archives, taken the same day as the photograph I posted yesterday. The gilt is really schwertmannite overlain with an iridescent film of Leptothrix discophora.