Ohmoto, H <br/><br/>
3.4-Billion-year-old biogenic pyrites from Barberton, South Africa:  sulfur isotope evidence.  [electronic resource] 

 -  Science (New York, N.Y.)  Oct 1993 
 - 555-7 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.11539502  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geologic Sediments--analysis<br/>Geological Phenomena<br/>Geology<br/>Hydrogen Sulfide--analysis<br/>Iron--analysis<br/>Oceans and Seas<br/>Seawater--analysis<br/>South Africa<br/>Sulfates--analysis<br/>Sulfides--analysis<br/>Sulfur Isotopes<br/>Sulfur-Reducing Bacteria--metabolism