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  • 1
    Map available for loan
    Map available for loan
    Paris [u.a.] : CGMW/CCGM
    Call number: K 15.0129 / Fach 54
    Description / Table of Contents: This map was assembled from geological maps with a resolution of 1:1 000 000 or finer, with a national extent or larger. However, if no suitable national geological map of the required quality was available, either coarser maps were used (e.g. in Africa), or finer maps assembled (e.g. the combined state geological maps of the preliminary geological map database of the conterminous U.S.A.). This leads to that the map does not represent one consistent scale (Inlet-map: Scales of regional data). Its ‘average’ scale is 1:3,750,000. The combination of maps results in artificial geological boundaries at administrative borders. Although these are not esthetically satisfactory and certainly not scientifically meaningful in most cases, they were not smoothed for feasibility reasons and because the authors of the map do not want to change the criteria used by the local expert geologists. An additional limitation of the map compilation is the representation of the Quaternary cover. Similarly to the map scale, also the representative depth of the map is heterogeneous. The Quaternary is addressed differently in a geological map, some maps omitting it entirely, some only to a certain thickness (e.g. 2 meters) and others including it entirely.
    Description / Table of Contents: Lithology describes the geochemical, mineralogical, and physical properties of rocks. It plays a key role in many processes at the Earth surface, especially the fluxes of matter to soils, ecosystems, rivers, and oceans. The Lithological map of the World is based on the Global Lithological Map database v1.1 (GLiM, Hartmann and Moosdorf, 2012). GLiM represents the rock types of the emerged surface of the Earth using 1,235,400 polygons assembled from 92 regional geological maps, translated into lithological units using additional literature. According to the GLiM, the total surface of continents and islands is covered by 64 % sediments (a third of which is carbonates), 13% metamorphics, 7% plutonics, and 6% volcanics, and 10% are covered by water or ice. The high resolution of the GLiM allows observation of regional lithological distributions which often vary from the global average. The GLiM enables regional analysis of Earth surface processes at global scales. A coarse gridded version of the GLiM is available at the PANGEA Database (http://dx.doi.org/10.1594/PANGAEA.788537), the original GIS data are downloadable using this link (https://www.dropbox.com/s/9vuowtebp9f1iud/LiMW_GIS%202015.gdb.zip?dl=0).
    Type of Medium: Map available for loan
    Pages: 1 Kt. : farb. : 118 x 80 cm
    ISBN: 9782917310250
    Location: Lower compact magazine
    Branch Library: GFZ Library
    Location Call Number Expected Availability
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