Microbial Communities Associated With Hydromagnesite and Needle-Fiber Aragonite Deposits in a Karstic Cave (Altamira, Northern Spain)

1 February 1999

journal article
research article
Published by Taylor & Francis in Geomicrobiology Journal

Vol. 16 (1) , 9-25
https://doi.org/10.1080/014904599270712

Abstract

Microbial communities, where Streptomyces species predominate, were found in association with hydromagnesite, Mg5(CO3)4(OH)2.4H2O, and needle-fiber aragonite deposits in an Altamira cave. The ability to precipitate calcium carbonate in laboratory cultures suggests that these and other bacteria present in the cave may play a role in the formation of moonmilk deposits.

Keywords

ACTINOMYCETES ALTAMIRA CAVE ARAGONITE BIOMINERALIZATION CALCITE HETEROTROPHIC BACTERIA HYDROMAGNESITE MOONMILK SPELEOTHEM VATERITE

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