Abstract
Agency for Natural Resources and Energy has been running a service of GRIAS, Global-Resource Information Archive System, since FY 2014. GRIAS had been built up in order to ensure a stable supply of rare metals into Japan. GRIAS is one of Web GIS (geographic information system used via the Internet), supports users to conduct preliminary survey, feasible study and make a decision of investment. Users can search and select useful information in GRIAS and display as layers on base map of satellite images. GRIAS has various useful GIS contents such as seamless global mosaic images created from ASTER and PALSAR data, regional False Color images and Band Ratio images, detailed alteration zone maps, mineral index maps created from ASTER data.
GRIAS has also various useful functions of GIS such as re-arranging the order of layers, making layers transparent, measuring lengths of lines and areas of polygons, creating 3D images of layered maps, downloading images and uploading user's data. Agency for Natural Resources and Energy keeps a stable operation and an advanced convenience of GRIAS.
