%0 Journal Article %1 1968GeCoA..32..477B %A Berner, R. A. %D 1968 %J \gca %K CaCO3 calcite concretion ground_water growth ionic_diffusion spherical supersaturated %P 477-483 %T Rate of concretion growth %V 32 %X Mathematical expressions for the time of growth of spherical post-depositional concretions from flowing and non-flowing supersaturated ground water are derived based on ionic diffusion as the rate-controlling growth mechanism. The theoretical treatment is that used by (1950) and (1961) for physically analogous problems. Application of the equations to the growth of CaCO 3 concretions is done in the form of growth curves for different ground water flow rates. For a typical slowly flowing ground water supersaturated in CaCO 3 by 10 ppm the time of growth of calcite concretions ranges from ~500 yr for concretions of 1 cm radius to ~12,000 yr for those of 5 cm radius.

@article{1968GeCoA..32..477B, abstract = {Mathematical expressions for the time of growth of spherical post-depositional concretions from flowing and non-flowing supersaturated ground water are derived based on ionic diffusion as the rate-controlling growth mechanism. The theoretical treatment is that used by (1950) and (1961) for physically analogous problems. Application of the equations to the growth of CaCO 3 concretions is done in the form of growth curves for different ground water flow rates. For a typical slowly flowing ground water supersaturated in CaCO 3 by 10 ppm the time of growth of calcite concretions ranges from ~500 yr for concretions of 1 cm radius to ~12,000 yr for those of 5 cm radius.}, added-at = {2008-05-17T00:33:05.000+0200}, adsnote = {Provided by the SAO/NASA Astrophysics Data System}, adsurl = {http://adsabs.harvard.edu/abs/1968GeCoA..32..477B}, author = {{Berner}, R. A.}, biburl = {https://www.bibsonomy.org/bibtex/243d00870b505544c2b6e96a36e2bb34c/thulefoth}, description = {Rate of concretion growth}, interhash = {f6d57ff4651d0b7869b81d0b46e88801}, intrahash = {43d00870b505544c2b6e96a36e2bb34c}, journal = {\gca}, keywords = {CaCO3 calcite concretion ground_water growth ionic_diffusion spherical supersaturated}, month = May, pages = {477-483}, timestamp = {2008-05-17T00:33:05.000+0200}, title = {{Rate of concretion growth}}, volume = 32, year = 1968 }