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Service Description: https://mrdata.usgs.gov/metadata/ofr-2005-1294.html
dep_type: Deposit type
Collected over many decades, this information is highly variablein quality. Currency of individual records is variable as well, so it is likely that some information will be found to be out of date. This is a subject of continuing refinement by the USGS and its cooperators. he five regional compilations of major mineral deposits that are here combined were originally created to begin a global mineral resource assessment, and so should be understood as providing generalized fundamental information about where in the world important mineral resources have been discovered.
For our purposes, we did not need to obtain highly precise geographic locations or details of the geometry of the deposits or their precise geographic extents. The user should expect these point locations to be near the deposits they describe, but the locations may be expected to be one or a few kilometers from the actual locations.
Likewise this survey did not require detailed information on the geological setting of each deposit or the extent of production or resource estimates. For larger deposits described here, such information may be available in other USGS databases or publications.
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Service Item Id: 127419fbb1eb46e4a08833bb71646fc7
Copyright Text: Schulz, Klaus J., and Briskey, Joseph A., 2005, Major mineral deposits of the world: Open-File Report 2005-1294, U.S. Geological Survey, Reston, Virginia.
Spatial Reference:
4326
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Single Fused Map Cache: false
Initial Extent:
XMin: 31.694161499999993
YMin: -4.121969961170214
XMax: 40.255868500000005
YMax: 1.024162437765963
Spatial Reference: 4326
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Full Extent:
XMin: 32.08333
YMin: -4.5
XMax: 39.8667
YMax: -1.3667
Spatial Reference: 4326
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Units: esriDecimalDegrees
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
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Comments: this layer delineates the forest zone boundary. The extent of the forest zone was mapped using the global year 2000 tree canopy cover dataset with a 20% tree canopy cover threshold. Inland water bodies and naturally treeless ecosystems were included in the forest zone. Fragments of land in the forest zone with a contiguous area smaller than 500 km2 were excluded from consideration.
http://intactforests.org/shp/IFL_2018_readme.pdf
Potapov P., Yaroshenko A., Turubanova S., Dubinin M., Laestadius L.,
Thies C., Aksenov D., Egorov A., Yesipova Y., Glushkov I., Karpachevskiy
M., Kostikova A., Manisha A., Tsybikova E., Zhuravleva I. 2008. Mapping
the World's Intact Forest Landscapes by Remote Sensing. Ecology and
Society, 13 (2)
Subject: Intact Forest Landscapes Data: Forest zone extent 2000-2016
Category:
Keywords: mining; resources; landuse
AntialiasingMode: None
TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 1000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON, PBF
Supports Query Data Elements: true
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
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