Image: Kalktuff-Mosscrusts

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Description: Fresh Kalktuff („Calcarious Tuff") - a rare secondary deposit of solid calcium carbonate on the Swabian Alb and the Franconian Jura, southern Germany. Assimilation of Moss accelerates chemical precipitation of calcium bicarbonate, which is dissoluted in karst water. The moss grows freshly on top of its encrusted species. These iterations form fragile structures.
Title: Kalktuff-Mosscrusts
Credit: see author
Author: Ustill
Permission: for creative commons
Usage Terms: Creative Commons Attribution-Share Alike 2.0 de
License: CC BY-SA 2.0 de
License Link: http://creativecommons.org/licenses/by-sa/2.0/de/deed.en
Attribution Required?: Yes

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