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Spaces of Connoisseurship
Spaces of Connoisseurship explores the 'who', 'where' and 'how' of judging Old Master paintings in the nineteenth-century British art trade, via a comparison of family art dealers Thomas Agnew & Sons (\"Agnew's) and London's National Gallery.
eBook
Republican populist : Spiro Agnew and the origins of Donald Trump's America
\"This book examines Spiro Agnew as a politician who, under the tutelage of William Safire, Pat Buchanan, Kevin Phillips, and Richard Nixon, became a spokesman for a right-wing populism that enabled Republicans to wrest the title \"the people's party,\" from the Democrats. Agnew provides a useful point of entry to understand the ascendancy of anti-elitist, populist Republican conservatism of figures like Goldwater, Agnew, Buchanan, and Reagan, and the larger transformation of the Republican Party rooted in anti-New Deal conservatism of the 1930s\"-- Provided by publisher.
Book
Atmospheric Sulfur in Archean Komatiite-Hosted Nickel Deposits
Some of Earth's largest iron-nickel (Fe-Ni) sulfide ore deposits formed during the Archean and early Proterozoic. Establishing the origin of the metals and sulfur in these deposits is critical for understanding their genesis. Here, we present multiple sulfur isotope data implying that the sulfur in Archean komatiite-hosted Fe-Ni sulfide deposits was previously processed through the atmosphere and then accumulated on the ocean floor. High-temperature, mantle-derived komatiite magmas were then able to incorporate the sulfur from seafloor hydrothermal sulfide accumulations and sulfidic shales to form Neoarchean komatiite-hosted Fe-Ni sulfide deposits at a time when the oceans were sulfur-poor.
Journal Article
Spaces of Connoisseurship
In Spaces of Connoisseurship, Alison Clarke explores the 'who', 'where' and 'how' of judging Old Master paintings in the nineteenth-century British art trade. She describes how the staff at family art dealers Thomas Agnew & Sons (\"Agnew's\") and London's National Gallery took advantage of emerging technologies such as the railways and photography. Through encounters with pictures in a range of locations, both private and public, these art market actors could build up the visual memory and necessary expertise to compare artworks and judge them in terms of attribution, condition and beauty. Also explored are the display tactics adopted by both commercial outfit and art museum to showcase pictures once acquired. In a time of ever-spiralling art prices, this book tackles the question of why some paintings are preferred over others, and exactly how art experts reach their judgements.
eBook
Harold Melvin Agnew (1921—2013)
Equipped with only an undergraduate degree, Agnew helped to set in motion the first controlled, self-sustain- ing nuclear chain reaction, worked on the atomic bomb, and witnessed the bombing of Hiroshima in Japan from inside an aircraft that was part of the strike operation. Returning to Los Alamos, he then joined a project to develop hydrogen and thermo- nuclear weapons, served as project manager for a bomb test on Bikini Atoll in 1954 and became director of the Los Alamos National Laboratory in 1970.
Journal Article
Structural, mineralogical and geochemical constraints on the atypical komatiite-hosted Turret deposit in the Agnew–Mt. White district, Western Australia
In the Norseman–Wiluna belt, Yilgarn Craton, the Agnew–Mt. White district is the host of many gold deposits. Located in the hinge of the regional Lawlers anticline, the Turret gold deposit is structurally controlled by the Table Hill shear zone that transects the Agnew Ultramafic unit. Geochemistry, coupled with petrographic data, allowed the delineation of the paragenetic sequence associated with gold mineralisation and include (1) a pervasive talc-carbonate alteration assemblage, (2) a pre-mineralisation stage associated with pervasive arsenopyrite + chalcopyrite + pyrrhotite + pyrite alteration, followed by (3) a late deformation event along a dilatational segment of the main Table Hill shear zone, leading to the formation of a breccia hosting a Cu–Bi–Mo–Au (± Ag ± Zn ± Te ± W) metal assemblage. The presence of Au–Ag–Cu alloys, native bismuth, chalcopyrite and other Bi–Te–S phases in the mineralisation stage suggest that gold may have been scavenged from the hydrothermal fluids by composite Bi–Te–Cu–Au–Ag–S liquids or melts. Using this mineral paragenetic sequence, together with mineralogical re-equilibration textures observed, we show that the gold deposition at Turret occurred over a temperature range approximately between c. 350 and 270 °C. This temperature range, together with the structural control and typical mesothermal alteration pattern including carbonate–chlorite alteration, shows that the Turret deposit shares common characteristics with the orogenic gold deposit class. However, the metal association of Cu, Au, Bi, and Mo, the quartz-poor, and high copper-sulphide content (up to 15 %) are characteristics that depart from the typical orogenic gold deposit mineralogy. Through comparison with similar deposits in the Yilgarn Craton and worldwide, we propose that the Turret deposit represents an example of a porphyry-derived Au–Cu–Bi–Mo deposit.
Journal Article