File:Travertine-mound Bridgeport CA.jpg

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Hot Springs at Bridgeport, California, Sierra Nevada

English: Calcium carbonate chemically precipitated out as Travertine from the waters of Hot Springs of Bridgeport California.
Precipitation occurs, when environmental conditions of the water change (temperature, pressure, etc. Ex.: emerging from underground) and cause the water to release (part of) its Carbon dioxide as gas. Waterquantity and sediments in this case were large. Biotic material may increase the precipitation by photosynthesis (in this case negligible).
Deutsch: Kalksinter, in großen Mengen hinter heißen Quellen chemisch ausgefällt. An der Ausfällung haben in diesem Fall Algen und ähnliche Pflanzen mit ihrer Photosynthese nur geringfügig mitgewirkt. Die Kalk-Ablagerungen sind - wie in Karsthöhlen - dicht und ohne grobe Verunreinigungen. Das ausgehärtete Sediment von reichlich Quellwasser bildete gering-porösen, harten Travertin.
Date
Source Self-photographed
Author noelwaters
Other versions Image:Travertine-mound_Bridgeport_CA_front.jpg


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current22:29, 9 March 2008Thumbnail for version as of 22:29, 9 March 20082,592 × 1,944 (2.78 MB)Ulrichstill (talk | contribs)
23:39, 7 March 2008Thumbnail for version as of 23:39, 7 March 20081,024 × 768 (560 KB)Ulrichstill (talk | contribs){{Information| |Description=Hot Springs at Bridgeport, California, Sierra Nevada<br> {{en|Calcium carbonate chemically precipitated out as Travertine from the waters of Hot Spr

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