Sauro, Francesco Microbial diversity and biosignatures of amorphous silica deposits in orthoquartzite caves. [electronic resource] - Scientific reports 12 2018 - 17569 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 2045-2322 Standard No.: 10.1038/s41598-018-35532-y doi Subjects--Topical Terms: Bacteria--classificationBiodiversityCaves--microbiologyEarth, PlanetFossils--microbiologyGeologic Sediments--microbiologyMetalsPhylogenyRNA, Ribosomal, 16SSilicon DioxideVenezuela