Thin section photograph of Karlsbad Pisoid
Thin section photograph of aragonitic pisoids with fringes of acicular aragonitic cement and large open pores. The rock is called "Karlsbad Sprudelstein"; it precipitated in hot, mineral-rich springs situated along tectonic faults (crossed polars; width of picture is 1.4cm; Karlovy Vary, Czech Republic).
Taken on 10
March
2013
Submitted on 8 Feb 2018
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4642 × 3386 px;
image/jpeg; 8.4 MB
Camera:
Nikon slidescanner NIKON Coolscan V ED
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Credit: Axel Munnecke (distributed via imaggeo.egu.eu)
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Bernardo Cesare 5 years, 1 month ago
WOW!