Requirements of the data to be used for resource appraisal |
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| Authors: | D D Picklyk |
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| Institution: | (1) Geological Survey of Canada, K1A 0E8 Ottawa, Canada |
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| Abstract: | General principles in evaluation and selection of data to be included in computer processible files intended for use in assisting regional resources appraisal are discussed against the background of activities related to file assembly at the Geological Survey of Canada. Some of the principles discussed are currently being implemented in the assembly of files at the GSC where they apply to the specific data being collected. Others are apparent from our analysis and would be applied if different data were being collected. The files currently being assembled at the Survey are intended to assist the commodity geologists in all project-related activities, one of which is regional resource appraisal. Prior to the commencement of data assembly, each data item considered for inclusion in the data files was scrutinized by members of the Economic Geology Subdivision in order to establish how it would contribute to the overall objectives of the file. At the same time strict definitions of each item were established. The main criteria applied to each data item considered for inclusion in the files were (a) the necessity of the item to satisfy the objectives of the file within the practical limitations of the resources available and (b) the general availability of the item. The characteristics found necessary to ensure integrity of the data files were (a) uniformity—the same definitions must apply to each item of similar type, (b) consistency—analytical results should be of the same method or differences noted in order that the data may be compared, and (c) mutual exclusiveness—especially when dealing with data referring to size. Such data should never be repeated in another part of the file or be included as part of another item.This paper was presented at the International Geological Correlation Program (IGCP) Project 98 entitled  Standards for Computer Applications in Resource Studies held at Loen, Norway, September 27–October 1, 1976. |
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| Keywords: | resource analysis data files |
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