JungleDragon is a nature and wildlife community for photographers, travellers and anyone who loves nature. We're genuine, free, ad-free and beautiful.

Join

Tufa limestone Tufa is a highly porous, sedimentary rock (limestone), composed of calcium carbonate. It is formed by biological and chemical precipitation of calcite from a cold, supersaturated surface or ground waters. <br /> <br /> The metabolism of algae, bacteria and mosses is important for tufa formation due to consumption of CO2 (causing CaCO3 supersaturation). Tufa is mostly a brown colour due to impurities (mainly iron oxides). Fall,Geotagged,Moss,Rock,Tufa limestone,United States,algae,autumn,bacteria,limestone,pennsylvania,sedimentary rock Click/tap to enlarge

Tufa limestone

Tufa is a highly porous, sedimentary rock (limestone), composed of calcium carbonate. It is formed by biological and chemical precipitation of calcite from a cold, supersaturated surface or ground waters.

The metabolism of algae, bacteria and mosses is important for tufa formation due to consumption of CO2 (causing CaCO3 supersaturation). Tufa is mostly a brown colour due to impurities (mainly iron oxides).

    comments (1)

  1. View Christine Young's profile
    Christine Young
    Lion
    View Lion class
    Fantastic description, Ruth! Posted 5 years ago

Sign in or Join in order to comment.

No species on this photo

It has been indicated that there is no species on this photo.

View Ruth Spigelman's profile

By Ruth Spigelman

All rights reserved
Uploaded Oct 22, 2019. Captured Sep 25, 2015 08:30 in 109 Old National Pike, Brownsville, PA 15417, USA.
country flag of United States of America Explore United States of America 39,963 9,644 8
  • Canon EOS 60D
  • f/4.0
  • 1/64s
  • ISO400
  • 100mm
Captured in the fall. More fall photos.