Planavsky, Noah J <br/><br/>
Widespread iron-rich conditions in the mid-Proterozoic ocean.  [electronic resource] 

 -  Nature  Sep 2011 
 - 448-51 p.  digital 
<br/><br/> Publication Type: Historical Article; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>1476-4687 
<br/><br/><label>Standard No.: </label>10.1038/nature10327  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological Evolution<br/>Geologic Sediments--chemistry<br/>History, Ancient<br/>Iron--analysis<br/>Oceans and Seas<br/>Seawater--chemistry<br/>Sulfur--analysis<br/>Sulfur Isotopes<br/>Time Factors