Mn-Fe-Enhancing Budding Bacteria in Century-Old Rock Varnish, Erie Barge Canal, New York
نویسندگان
چکیده
1. Department of Geological Sciences, University of Oregon, Eugene, Oregon 97403, USA; 2. Buckingham Centre for Astrobiology, University of Buckingham, Buckingham MK18 1EG, United Kingdom 3. School of Geographical Sciences and Urban Planning, Arizona State University, Tempe, Arizona 85287-5302, USA; 4. Center for Advanced Materials Characterization in Oregon (CAMCOR), University of Oregon, Eugene, Oregon 97402, USA
منابع مشابه
Rock Varnish and its Use to Study Climatic Change in Geomorphic Settings
The dusky brown to black coating of rock varnish dominates bare rock surfaces of many desert landforms (Oberlander, 1994). Thicknesses less than even 0.020 mm (or 20 micrometres, μm) are enough to darken light-colored rock types (Fig. 21.1). The gradual pace of change on many desert landforms permits the slow accretion of rock varnish at rates of a few micrometres per thousand years (Dorn, 1998...
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