Now showing items 171-173 of 173
The rhodium, silver and indium content of some chondritic meteorites
(Elsevier, 1960-01)
By neutron activation analysis the rhodium, silver and indium content of five chondritic meteorites has been determined. The average data are 0.186 and 0.094 p.p.m. for rhodium and silver. The upper limit for the indium ...
Akermanite in the Cascade Slide xenolith and its significance for regional metamorphism in the Adirondacks
(Springer-Verlag, 1980-06)
Akermanite (Ak 90 ) coexists with monticellite (Mo 92 ) and wollastonite (Wo 99 ) in an unusual calc-silicate xenolith in anorthosite at Cascade Slide in the Adirondack Mountains, New York. Experimental results bearing on ...
Mineralized and unmineralized calderas in Spain; Part I, evolution of the Los Frailes Caldera
(Springer-Verlag, 1990-12)
The Cabo de Gata volcanic field of southeastern Spain contains several recently-recognized calderas. Some of the calderas are mineralized with epithermal gold, alunite, and base metal deposits, and others are barren, and ...