Tufas and speleothems: unravelling the microbial and by P. M. Pedley, M . Rogerson

By P. M. Pedley, M . Rogerson

Our figuring out of calcium carbonate precipitation inside freshwater carbonate platforms is being revolutionized by way of new quantitative ways at either box and laboratory scale. those platforms conceal a various diversity of topical examine components together with tufas, speleothems, stromatolites and microbial techniques. growth by means of numerous overseas study teams has been outstanding, with significant contributions to such components as weather switch, absolute relationship, carbon sequestration, and biofilm development and precipitation. a various pattern of interrelated study is gifted that offers a tantalizing glimpse of the interaction among microbial, geochemical and actual strategies that keep an eye on the improvement of tufas and speleothems. This quantity will offer a cross-disciplinary platform that may stimulate extra exchanges approximately new strategies, methodologies and interpretations linked to freshwater carbonates. particularly, it is going to support toughen the significance of cross-discipline learn: the driver in the back of the recent box of Geobiology.The Geological Society of LondonFounded in 1807, the Geological Society of London is the oldest geological society on this planet, and one of many biggest publishers within the Earth sciences.The Society publishes a variety of top quality peer-reviewed titles for teachers and execs operating within the geosciences, and enjoys an enviable foreign acceptance for the standard of its work.The many parts within which we submit in include:-Petroleum geology-Tectonics, structural geology and geodynamics-Stratigraphy, sedimentology and paleontology-Volcanology, magmatic stories and geochemistry-Remote sensing-History of geology-Regional geology courses

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Cyanophyta. Indian Council of Agriculture Research, New Delhi. D OBAT , K. 1968. Die Pflanzen- und tierwelt der Charlottenho¨le. Abhandlinger Karst-u Ho¨hlenkunde Reihe A, 3, 37– 50. D ONAHUE , J. 1965. Laboratory growth of pisolite grains. Journal of Sedimentary Petrology, 35, 251–256. D ONAHUE , J. 1969. Genesis of oolite and pisolite grains. Journal of Sedimentary Petrology, 39, 360–377. D RAGANOV , S. J. 1977. Taxonomic structure of cave algal flora. In: F ORD , T. D. ) Proceedings of the 7th International Speleological Congress, Sheffield.

1973; Buczynski & Chafetz 1991; Knorre & Krumbein 2000; Rodriguez-Navarro et al. 2003; Ben Chekroun et al. 2004). Bacterial precipitation of calcium carbonate polymorphs (calcite, aragonite and vaterite) (Ben Chekroun et al. 2004; RodriguezNavarro et al. 2007) has become an attractive research topic because it has important implications in past and present formation of carbonate rocks and sediments (Krumbein 1979; Buczynski & Chafetz 1991; Braissant et al. 2003; Dupraz & Visscher 2005). Besides its geological significance, bacterial carbonate precipitation in terrestrial environments appears to be crucial for atmospheric CO2 budgeting (Braissant et al.

G. 1956. A propos des perles de cavernes et concre´tions analogues non encore de´crites. Annales de la Socie´te´ Ge´ologique de Belgique, 80, 165– 169. L OWENSTAM , H. A. 1981. Minerals formed by organisms. Science, 211, 1126–1131. M ANOLI , F. & D ALAS , E. 2000. Spontaneous precipitation of calcium carbonate in the presence of chondroitin sulfate. Journal of Crystal Growth, 217, 416–421. , U SOBIAGA , A. & M ADARIAGA , J. M. 2007. Spectroscopic characterization of moonmilk deposits in Pozalagua tourist cave (Karrantza, Basque Country, North of Spain).

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