Hugues Longuépée

• Ph.D.
• Senior Geoscientist at IOS Services Géoscientifiques

Determining the number of gold grains in till is a widely used exploration technique in glaciated terrain. Nonetheless, there is no existing reference material to assess the quality of either the recovery or the counting of gold particles in samples from glaciated sites. We manufactured a reference material (AuGC-1) by mixing a gold-free heavy mine...

Glacial drift exploration methods are well established and widely used by mineral industry exploring for blind deposit in northern territories, and rely on the dispersion of mineral or chemical signal in sediments derived from an eroded mineralized source. Gold grains themselves are the prime indicator minerals to be used for the detection of blind...

The quantitative and qualitative assessment of gold grains from samples of glacial till is a well-established method for exploring gold deposits hidden under glaciated cover. This method, which is widely used in the industry and has resulted in numerous successes in locating gold deposits in glaciated terrain, is still based on artisanal gravity se...

Three-dimensional geological models of parts of the Mount Wright iron mine in Fermont, north-eastern Quebec, were built using structural and drilling data. This work aims at documenting the deformation pattern of the mine, which will decrease the probability of finding waste rock in unexpected flanks of map-scale folds. It further fills a gap in ou...

An improved paleogeography of the Quebec reentrant has been achieved by examining the nature and distribution of major sediment buildups within this reentrant. The Quebec reentrant has one side produced by rift faults and one side by a major transform fault. The Oak Hill Group was deposited near a triple-rift zone. Clastic sediments of this group f...

The Cambrian Anse Maranda Formation is a glauconite-bearing clastic succession within the Quebec Reentrant. It is part of the Appalachians Humber Zone, particularly of the shale – feldspathic sandstone assemblage, which represents the rift-to-drift deposits of the Laurentian margin. The massive sandstones of the Anse Maranda were originally interpr...

Promotion of geological heritage is achieved through programs that increase the public awareness of geo-logical phenomena and to draw atten-tion to the importance of minerals in everyday life. Activities at the Univer-sité du Québec à Chicoutimi (UQAC) are divided into two parts: conserva-tion and popularization. At the UQAC Petit musée mineral exh...

The term glauconite covers a series of iron-rich minerals that form in the upper layer of sediments of the sea bottom in locations where sediment input is low. Because of its potassium content and the process of its formation, it is one of few minerals that can be used in both sequence stratigraphy and in the determination of sedimentation age. Alt...

Shoreface sediments exposed in raised deltaic deposits along the Hudson Bay coast are characterized by a thick succession of predominantly parallel-laminated and small-scale cross-laminated fine sand. Ripple forms, where preserved, include both combined-flow and wave-ripple geometries. Hummocky cross stratification is present in lower parts of the...

Thèse (Ph.D.)--Université du Québec à Chicoutimi, 2005. Comprend des réf. bibliogr.