| Summary: | LANDSAT Thematic Mapper (TM) images were used to produce improved geologic maps of the ophiolites of the Brooks Range, and to recognize regional-scale structures that might affect the spatial distribution of the ophiolites. From the TM data, significant information was obtained concerning the distribution of rock types and structures that could not easily be acquired with conventional geologic studies. The information obtained from the TM data, in combination with other geologic data, is being used to further the understanding of the tectonic evolution of the Brooks Range. Results of the work in the Maiyumerak Mountains area are used to illustrate the information being obtained with the LANDSAT TM data, and the way that the information is being integrated with other geologic data.
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