Fungal Attack on Rock: Solubilization and Altered Infrared Spectra
- 4 September 1970
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 169 (3949), 985-987
- https://doi.org/10.1126/science.169.3949.985
Abstract
Penicillium simplicissimum, isolated from weathering basalt, produced citric acid when grown in a glucose-mineral salts medium with basalt, granite, granodiorite, rhyolite, andesite, peridotite, dunite, or quartzite. After 7 days' growth as much as 31 percent of the silicon, 11 percent of the aluminum, 64 percent of the iron, and 59 percent of the magnesium in some of the rocks were solubilized, and a number of rocks showed altered infrared absorption in the silicon-oxygen vibration region.Keywords
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