Lougheed, Milford <br/><br/>
Origin of Precambrian iron-formations in the lake Superior region 

<br/><br/>bibliogr. p. 340 
<br/><br/><label>ISSN: </label>00167606 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microstructure<br/>Antécambrien<br/>Formation ferrière<br/>Calcite<br/>Aragonite<br/>Pseudomorphose<br/>Sidérite<br/>Recristallisation<br/>Etude milieu<br/>Diagenèse
<br/><br/><label>Subjects--Index Terms: </label>Etats Unis  Michigan Canada  Ontario