Enzyme leach : model, sampling protocol & case histories.

A modification of the U.S. Geological Survey one-sixth order semiquantitative spectrographic method for the analysis of geologic materials that improves limits of determination of some volatile to moderately volatile elements

D. E. Detra

Elemental analysis in geochemistry

Alexis Volborth

A procedure to lower the limits of detection for silver, cadmium, and lead in the analysis of geological materials by atomic absorption spectrometry

G. E. M. Hall

Analysis of geological materials. edited by Chris Riddle

C. Riddle

Particle size analyzer comparison. by L. Kuehn Walker and V.G. Reynolds

Methods for the analysis of ores, rocks and related materials, 2nd edition

Field and laboratory methods used by the Geological Survey of Canada in geochemical surveys, number 8: preparation of geological materials for chemical and spectrographic analysis

Geoanalysis 94: an international symposium on the analysis of geological and environmental materials

Descriptions and analyses of eight new USGS rock standards

Francis James Flanagan