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Sibley Group : a lithostratigraphic, geochemical, and paleomagnetic study
The Sibley Group is an unmetamorphosed Mesoproterozoic red bed sequence, commonly flat lying, that formed in an intracratonic basin between 1450 Ma and 1500 Ma. It covers an area o f 15,000 km^, and reaches a total ...
Rare and exotic mineralogy of the western subcomplex of the Deadhorse Creek "diatreme", Northwestern Ontario
The Deadhorse Creek ‘Diatreme’ is a Proterozoic vent breccia that probably formed in response to early mid-continent rifting. Following emplacement of the breccia, the western subcomplex experienced three alteration ...
Sedimentology and sequence stratigraphy of the paleoproterozoic Rove and Virginia formations, southwest Superior Province
The Paleoproterozoic Rove and Virginia Formations are lithostratigraphically and chronostratigraphically correlative units which comprise the upper sedimentary strata in the Animikie basin. They sharply overlie an intensely ...