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Mineralogical Association of Canada
Mineralogical Association of Canada
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2013/10/14
The Mineralogical Association of Canada (MAC) was formed in 1955 as a non-profit scientific organization to promote and advance the knowledge of mineralogy and the allied disciplines of crystallograph...
Protodus jexi Woodward,1892 (Chondrichthyes),from the Lower Devonian Campbellton Formation,New Brunswick,Canada
Early gnathostomes Early chondrichthyans Protodus Teeth Early Devonian
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2009/10/20
Protodus jexi from the early Emsian ‘Atholville beds’, Campbellton Formation between Atholville and Campbellton,northern New Brunswick, Canada, is redescribed from material studied by R. H. Traquair a...
Greenhouse Gas Policy in Canada
Greenhouse Gas Policy Canada
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2012/3/28
Development of greenhouse gas policy in response to Canada’s Kyoto Protocol obligations has proven a complex task. Despite the complexity, Canada has remained clear in its intent, and has moved slowly...
Comparison of the Mineralogical and Chemical Composition of 2 Shales from the Western Canada Sedimentary Basin and the United States Gulf Coast
Deposition Diagenesis Geochemistry Mineralogy Mixed-Layer Illite/Smectite Oxygen Isotopes
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2011/12/9
Abstract: The mineralogy and geochemistry of shales reflect the composition of the initially deposited precursor mud, subsequently modified by diagenetic processes. To see if significant geochemical d...
Berthierine from the Lower Cretaceous Clearwater Formation, Alberta, Canada
Berthierine Chamosite Diagenesis Neoformation Odinite Oil Sands
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2011/12/1
Abstract: Berthierine occurs as pore-linings of well crystallized laths of variable thickness in oil-sands of the Clearwater Formation, Alberta, Canada. Berthierine crystallized early in diagenesis wi...
Fluor-ferro-leakeite, NaNa2(Fe2+2Fe3+2Li)Si8O22 F2, a new alkali amphibole from the Canada Pinabete pluton, Questa, New Mexico, U.S.A
Fluor-ferro-leakeite NaNa2(Fe2+2Fe3+2Li)Si8O22 F2 alkali amphibole Canada Pinabete pluton
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2012/4/5
Fluor-ferro-leakeite is anewamphibole speciesfrom the CanadaPinabetepluton,Ques-ta, NewMexico,U.S.A.;it occursin association withquartz, alkali feldspar, acmite, il-menite,and zircon. It forms asanhed...
Compositional variation and structural state of columbite-tantalite in rare element granitic pegmatites of the Preissac-Lacorne batholith, Quebec, Canada
Compositional variation columbite-tantalite element granitic pegmatites Preissac-Lacorne batholith Quebec Canada
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2012/4/5
Rare-element-enriched graniticpegmatitesin andnearthe LamotteandLacorneplutons ofthe ArcheanPreissac-Lacorne batholith (Quebec) arezoned from aleast fractionated beryltype in the parental pluton throu...
Layer Charge Characteristics of Smectites in Salt-Affected Soils in Alberta, Canada
Layer charge Salinity Smectite
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2011/12/1
Abstract: The layer charge characteristics of expanding phyllosilicates in four salt-affected soils in Alberta, Canada were investigated using X-ray diffraction analysis of alkylammonium saturated sam...
X-Ray Identification of One-Layer Illite Varieties: Application to the Study of Illites around Uranium Deposits of Canada
Hydrothermal alteration Illite Octahedral cation distribution Polytype Uranium deposits Vacant cis-sites Vacant trans-sites
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2011/12/29
Structural and diffraction criteria for distinguishing between t-1M, c-1M, m-1M, and 3T illite varieties are described. The t-1M illite corresponds to a one-layer monoclinic structure with vacant tran...
Shale Diagenesis: A Case Study from the Albian Harmon Member (Peace River Formation), Western Canada
Clay mineralogy Quantitative shale mineralogy Silicate diagenesis
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2011/12/31
Shales have often been cited as the source of authigenic material that occurs in coarser grained sediments, but there are few comprehensive studies of diagenesis in shales that rigorously attempt to d...
Clay Mineralogy, Alteration History, and Economic Geology of the Whitemud Formation, Southern Saskatchewan, Canada
Abrasion Brightness Eastend Formation Frenchman Formation Kaolin Kaolinite Paleosol Whitemud Formation
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2012/1/4
The Upper Cretaceous (Maastrichtian) Whitemud Formation is a potentially commercial kaolin deposit located in southern Saskatchewan and southeastern Alberta. The Whitemud Formation contains a lower ka...
Effect of pH on the Rheology of Marine Clay from the Site of the South Nation River, Canada, Landslide of 1971
Isoelectric point pH Quick clay Remolded strength Rheology Salinity Yield stress
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2012/2/6
The pH of Na-saturated, carbonate-containing and carbonate-free Leda clay, at salinities of 2 and 10 g/liter, was decreased from pH 8 to 4 by the addition of HCl. The Bingham yield stress, as determin...