Bibliography: p. 21.
|Series||Geological Survey paper ;, 77-35, Paper (Geological Survey of Canada) ;, 77-35.|
|LC Classifications||QE185 .A42 no. 77-35, QE653.5 .A42 no. 77-35|
|The Physical Object|
|Pagination||21 p. :|
|Number of Pages||21|
|LC Control Number||85153732|
Re-definition and subdivision of the Rapitan Group, Mackenzie Mountains (Geological Survey paper) Jan 1, by G. H Eisbacher Paperback. Re-definition and subdivision of the Rapitan Group, Mackenzie Mountains. Geological Survey of Canada, Paper Correlation of upper Pro-terozoic strata in the Cordillera: paleomagnetism of the. Eisacher, G. H. Re-Definition and Subdivision of the Rapitan Group, Mackenzie Mountains. Geological Survey of Canada, , Paper, , 32 figures including 2 nice fold-out correlation charts. Printed wraps, xlib with usual signs, very good condition. $ Iron formations are stratigraphic units which are largely composed of iron-rich chemical sedimentary rock, here called ironstone. Most aspects of iron formations continue to be controversial and so one must read voluminous literature to appreciate either the range of iron-formation characteristics or the conflicting interpretations of those by: