...Peter J. McGoldrick; Ross R. Large Abstract The Que River mine in western Tasmania was developed on a small (3.3 million metric tons) but high-grade (>20 wt % Zn + Pb) polymetallic massive sulfide deposit hosted by Cambrian volcanics and volcaniclastic sediments of the Mount Read Volcanics...

...Ross R. Large; Peter J. McGoldrick; Ron F. Berry; Chris H. Young Abstract The Que River deposit in western Tasmania is a high-grade, gold-rich, Cambrian volcanogenic sulfide deposit, comprising two major subvertical ore lenses hosted by andesitic lavas and volcaniclastics of the Mount Read...

...Robin Offler; David J. Whitford Abstract The rocks in the alteration halo surrounding the polymetallic massive sulfide deposit at Que River preserve primary hydrothermal mineral textures and assemblages, despite the imprint of later prehnite-pumpellyite facies regional metamorphism. Their textural...

...David J. Whitford; Warren P. A. McPherson; David B. Wallace Abstract Que River is a moderate-sized, high-grade polymetallic volcanogenic massive sulfide deposit located in the Cambrian Mount Read Volcanics of western Tasmania. Several subvertical lenses of massive sulfide occur in a sequence...

... by the early prospectors between 1883 and 1898. The only significant modern discovery has been the Que River deposit, scheduled to commence production in 1981.A review of the two main deposit types assists in the identification of those characteristics that may be detected by current exploration techniques...

...John C. Waters; David B. Wallace Abstract The Hellyer and Que River high-grade polymetallic volcanic-hosted massive sulfide deposits of western Tasmania are hosted by a sequence of late Middle Cambrian subaqueous mafic to felsic volcanics and volcaniclastics known as the Que-Hellyer Volcanics...

...M. Solomon; Christopher J. Eastoe; J. L. Walshe; G. R. Green Abstract Most of the mineral deposits in the Mount Read Volcanics are of Cambrian age and are either stratiform exhalative bodies or epigenetic feeder systems (e.g., Rosebery, Mount Lyell, Que River). Others were formed at depth during...

... of chert pebbles that mark a major sea-level lowstand; pebbles were subsequently reworked by marine transgression. A 15 m thick conglomerate-filled channel (or paleovalley?), exposed in Hasler Creek, directly underlies the BFSM surface and is interpreted to be the deposit of a large river that supplied...

... in outcrop exposures of the middle McMurray Formation: laterally-accreting point-bar deposits and forward-accreting compound-dune deposits. Bed orientation data, when compared to sediment transport directions, show that outcrops along the Steepbank River are composed of stacked lateral accretion bar elements...

... and is capped by an unconformity at the base of the Saline River Formation. The upper member is mainly of Glossopleura Zone age. As noted by previous workers, syndepositional extension during deposition of the Mount Cap Formation was pronounced in the Mackenzie Trough but more subdued beneath the Colville Hills...

... d’Attawapiskat, s’est fait dans la direction opposée. Le bassin de Moose River a toujours été moins profond que celui de la baie d’Hudson, quoique les deux bassins étaient remarquablement plat et peu profond. Les innodations les plus étendues se sont produites durant les périodes de déposition des formations...

...Anthony P. Hamblin; Byron W. Abrahamson RÉSUMÉ La corrélation de la subsurface régionale du grès de “Basal Belly River” à travers le sud de l’Alberta et de la Saskatchewan, suggère que l’unité peut être divisée en séries d’au moins sept cycles (sous-unités de quatrième ordre) empilés, composés...

... are approximate and intended solely to show duration of the graben complex. ~o o 58 BENS I~ 56- .D 54" 12. Fig. 4. Peace River Embayment (PRE) stratotectonic elements. Dawson Creek Graben Complex includes all the grabens within the Stoddart Group depositional limits and within the central part of the Belloy...

..., but are particularly abundant in altered sandstones close to the sandstone–basement unconformity and faults. Continuous CL rims occur not only in mineralized rocks close to the unconformity at the Key Lake deposit, but are pervasively developed in the siliceous cap and along the unconformity at the McArthur River...

... assemblage organique que OF B avec des alginites et sporinites coccoïdaux plus persistents. Le Membre Lower Keg River du Dévonien moyen se présente comme une rampe de carbonates répandus dans la région du centre-nord de l’Alberta et a été examiné dans la transition de la plate-forme Senez au sous-bassin La...

... on the thickness of the total Montney, and of thicknesses of internal subdivisions, of facies, and of depositional trends. Upper Devonian Leduc reef and platform margins are the principal controls on Montney paleostructure from the southern Peace River arch area southeastward into south-central Alberta, while...

... that the Montney Formation was deposited in a predominantly prodeltaic setting that was commonly influenced by both river flood and storm processes. Riverine processes include the local occurrence of normally- and inversely-graded siltstone and sandstone interbeds, interpreted as the record of sediment-laden...

...S.M. Hubbard; S.G. Pemberton; E.A. Howard ABSTRACT Major oil sand deposits, including Athabasca, Cold Lake and Peace River, are found in Lower Cretaceous strata of northern Alberta. The Peace River deposit comprises bitumen-rich sands from the Aptian-Albian Gething Formation, Ostracode Zone...

... Formation were deposited in shallow water east of this boundary, whereas argillaceous and skeletal lime wackestones of the Headless Formation accumulated farther west. Deposition of the Middle and Late Devonian shales of the Horn River and Fort Simpson Formations marked the end of early Paleozoic shelf...

... fréquence et d’énergies d’activation peut être utilisée pour tous les sédiments étudiés, du Crétacé supérieur à l’Oligocène (séquences Fish River, Reindeer, Richards, Kugmallit), pourvu que les variations de potentiels initials entre les échantillons entrent en ligne de compte. Ceci signifie soit que le...