Includes abstract.

This guide and manual describes the analysis of geological materials as practised in the Geoscience Laboratories of the Ontario Geological Survey. Volume I is an expanded version of an in-house course given to staff, covering quality control in the laboratory, statistical analysis and quality control, sampling, standard reference materials, data management and presentation, screening and optimization of variables, instrumental analysis, spectroscopic analysis, optical atomic spectroscopy, X-ray fluorescence spectroscopy, mass spectrometry, radiochemical methods of analysis, concepts in mineralogy, determination of rare earth elements, and classical and special methods of analysis.