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a.1.(Geol.) Of or pertaining to certain non-fossiliferous rocks on the borders of Lake Huron, which are supposed to correspond in time to the latter part of the Archæan age.
References in periodicals archive ?
Within the drill holes, multiple orientations of veins were measured, with two prevailing directions: 1) an easterly orientation transecting both Huronian sedimentary and volcanic and Archean rocks and 2) a northerly orientation following sedimentary rock horizons within the Huronian and Archean sequences.
(1980): Stromatolites and fenestral fabric in Early Proterozoic Huronian Supergroup, Ontario.
If, as Boss argues, the "project of canonization was inescapably a project of publication," (12) then the Relations and the Manuscript of 1652 failed like the Huronian missions.
(72.) Investigations of the "Huronian rocks" spreading northward from The Pas had been made In 1896 and 1898 by J.
Native silver and (to a lesser extent) native bismuth generally occur with cobalt-arsenides, sulfarsenides and sulfosalts in near-vertical carbonate ([+ or -] silicate) veins cutting Huronian sedimentary rocks of the Gowganda Formation, Archean greenstones, and the Paleoproterozoic Nipissing diabase (Fig.
Between 80-90% of the cobalt ores were removed from the Huronian conglomerates that are in contact with the diabase intrusion historically.
Coleman, A.P., 1907, A lower Huronian ice age: American Journal of Science, v.