A system of nomenclature for rare-earth mineral species; revision and extension Available to Purchase

The mineralogy of human urinary stones from Calgary, Quito and Honolulu Available to Purchase

Uranium series disequilibrium in young surficial uranium deposits in southern British Columbia Free

Examples of the variability of disequilibrium and the emanation factor in some uraniferous materials Free

Hydrogen—a reducing agent in some uranium deposits Free

MINERALOGICAL REVIEW OF THE ALBERTA OIL SAND DEPOSITS (LOWER CRETACEOUS, MANNVILLE GROUP) Available to Purchase

MINERALOGY OF BOTTOM SEDIMENTS, HUDSON BAY, CANADA Available to Purchase

CLAY-MINERALOGY AND BORON DETERMINATIONS OF THE SHALES FROM THE REINDEER WELL, MACKENZIE RIVER DELTA, N.W.T., CANADA Available to Purchase

X-ray data on a fractionated regularly interstratified clay Available to Purchase

The hydrothermal synthesis of montmorillonite group minerals from Kaolinite, Quartz and Various Carbonates Available to Purchase

A system of nomenclature for rare-earth minerals Available to Purchase

Book reviews Available to Purchase

Rare alkali and beryllium mineralization in volcanic tuffs, Honey Comb Hills, Juab County, Utah Available to Purchase

Birnessite from Mexico Available to Purchase

Doverite from Cotopaxi, Colorado Available to Purchase

Beryllium-fluorine mineralization at Aguachile Mountain, Coahuila, Mexico Available to Purchase

Carbonatic niobium-rare earth deposits, ravalli county, Montana Available to Purchase

A poorly crystallized, low barium, psilomelane-type mineral Available to Purchase

High Hafnium Zircon from Norway Available to Purchase

New Data on the Hafnium, Zirconium and Yttrium Content of Thortveitite Available to Purchase