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首页> 外文期刊>Geomicrobiology journal >Filamentous Hydrous Ferric Oxide Biosignatures in a Pipeline Carrying Acid Mine Drainage at Iron Mountain Mine, California
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Filamentous Hydrous Ferric Oxide Biosignatures in a Pipeline Carrying Acid Mine Drainage at Iron Mountain Mine, California

机译:加利福尼亚州铁山矿管道中的丝状碳化铁生物梭菌含酸性矿泉排水

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摘要

A pipeline carrying acidic mine effluent at Iron Mountain, CA, developed Fe(III)-rich precipitate caused by oxidation of Fe(II)(aq). The native microbial community in the pipe included filamentous microbes. The pipe scale consisted of microbial filaments, and schwertmannite (ferric oxyhydroxysulfate, FOHS) mineral spheres and filaments. FOHS filaments contained central lumina with diameters similar to those of microbial filaments. FOHS filament geometry, the geochemical environment, and the presence of filamentous microbes suggest that FOHS filaments are mineralized microbial filaments. This formation of textural biosignatures provides the basis for a conceptual model for the development and preservation of biosignatures in other environments.
机译:携带铁山,CA的酸性矿井流出物的管道,开发了由Fe(II)(AQ)氧化引起的FO(III)-RICH沉淀物。 管道中的本机微生物群落包括丝状微生物。 管道刻度由微生物丝,和施韦曼特(氧羟基硫酸铁,FOHS)矿球和细丝组成。 FoHS长丝含有与微生物长丝相似的中央叶子。 FOHS丝状物质,地球化学环境和丝状微生物的存在表明FOHS长丝是矿化微生物长丝。 这种纹理生物的形成为其他环境中的生物信号作用的概念模型提供了基础。

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