................................................................................................ ix CHAPTER 1: INTRODUCTION ..............................................................1 1.1 Area Overview ................................................................................... 1 1.2 Thesis Objective ................................................................................ 4 1...

AASG/USGS Geologic Map Data Model Committee* Gary Raines, Chairman, US Geological Survey, [email protected] Boyan Brodaric, Geological Survey of Canada, [email protected] Jim Cobb, Kentucky Geological Survey, [email protected] Ralph Haugerud, US Geological Survey, [email protected] Greg Hermann, New Jersey Geological Survey, [email protected] Bruce Johnson,...

various geological units in an area often exhibit different magnetic properties. due to this distinction in magnetic properties of the geological units, a correlation between the type of a geological unit and its magnetic response can be established. to determine the lateral and vertical extents of geological units from the magnetic data in a survey area, a number of filters for processing magn...

BOOK REVIEWS How to Assess Cancer Risks . . . . ........ ........ .. . . ..... Coral Reefs in Potential Conflict with Oil and Gas Development . Briefing: Japan-U.S. Cooperation on Energy R & D Agreed to; Different Route Accepted as Way to New Department; U.S. Geological Survey-On the Map for 100 Years; On the Way to the Forum; Endangered Review Body Seems to Be in the Clear. More Help for the M...

In the Bridge River mining camp the federal-provincial aeromagnetic maps, Tyaughton Lake (92Ji15) and Bridge River (92Ji16). at 1:63 360 scale, provide a ready base for analysis. Regional geological control is provided by current mapping and by the Geological Survey Branch (Open File Map 1987I I , Geology o j rhe Gold Bridge Area) and previous work by Leech (1953). Roddick and Hutchinson (1973)...