DCO Project Summary

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Project Title
Application of 454 Tag Sequence Technology to Novel Terrestrial Deep Subsurface Habitats of the North American Basin and Range, Black Hills, and Canadian Shield
Start DateEnd Date
2011-01-01 2013-12-31
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This project targets deep microbial ecosystems of three significant, mostly unexplored (for microbiology) North American geological provinces: the Basin and Range, Black Hills, and Canadian Shield. In addition to their value for the exploration of novel deep habitats, these samples also allow us to address the following questions: (1) Is everything truly everywhere? (2) How does one recognize indigenous deep life? and (3) Is it possible via existing excavations to sample below the lower biosphere limit? How these project objectives are responsive to the key research questions outlined in the RFP are detailed below.

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Reporting Year 2014 Click to expand

  • RY2014-1 - submitted on Aug 31, 2014

    Update Details:

    A pioneering study of springs in the Southern US Great Basin (in or near Death Valley, CA) that share water sources or geochemical reactions along related flow paths and also share similarities in microbial diversity and microbial types (Thomas et al., 2014).


    J. M. Thomas, D. P. Moser, J. C. Fisher, J. Reihle, A. Wheatley, R. L. Hershey, C. Baldino, D. Weissenfluh, Using Water Chemistry, Isotopes and Microbiology to Evaluate Groundwater Sources, Flow Paths and Geochemical Reactions in the Death Valley Flow System, USA. Procedia Earth and Planetary Science 7, 842-845 (2013)10.1016/j.proeps.2013.03.033).

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