Geoscience BC Report 2008-4

Report on a helicopter-borne versatile time domain electromagnetic (VTEM) geophysical survey: QUEST Project, central British Columbia (NTS 93A, B, G, H, J, K, N, O & 94C, D)
by Geotech Limited

Report Components

Raw data and Geosoft files can be viewed using the Geosoft free viewer, which can be downloaded from here.

  • Technical Report (pdf, 1.3 MB)
  • Flight Path in Google Earth (zip, 415 KB)
  • Raw Data (gdb / xyz)
  • Geosoft Grid files
  • Geosoft Map files
  • PDF Maps

    Raw Data (gdb / xyz)
    Refer to map below to select appropriate data to download. Click on image for larger view of the map.

    QUEST EM Databases Readme file for EM datasets
    7042-Main_NT.gdb (zip, 126 MB)
    7042-Main_A.gdb (zip, 227 MB)
    7042-Main_B.gdb (zip, 233 MB)
    7042-Main_C.gdb (zip, 237 MB)
    7042-Main_D.gdb (zip, 255 MB)
    7042-MtMilligan.gdb (zip, 6.8 MB)
    7042_106_wform.gdb (zip, 120 KB)
    7042_106_wform.xyz (zip, 140 KB)
    (Projection: UTM Zone 10, NAD 1983)  

     

    Geosoft Grid files
      Magnetics
    Main Block
    (North and South)
    zip (555 KB)
    Mt Milligan
    Block
    zip (23 KB)

     

    Geosoft Map files
      EM-B field Magnetics Flight Plan
    North
    (250K scale map)
    zip (87 MB) zip (55 MB) zip (79 MB)
    South
    (250K scale map)
    zip (87 MB) zip (52 MB) zip (49 MB)
    Mt Milligan
    (10K scale map)
    zip (3 MB) zip (3 MB) n/a

     

    PDF Maps
      EM-B field Magnetics Flight Path
    North
    (250K scale map)
    pdf (9 MB) pdf (6 MB) pdf (9 MB)
    South
    (250K scale map)
    pdf (9 MB) pdf (6 MB) pdf (8 MB)
    Mt Milligan
    (10K scale map)
    pdf (885 KB) pdf (1 MB) n/a

     

    Report Description
    Geoscience BC Report 2008-4 is part of the QUEST project, which was funded by Geoscience BC in partnership with the Northern Development Initiative Trust, and covers a 46,000 square kilometre area extending from Williams Lake to north west of Mackenzie. The communities of Mackenzie, Fort St. James, Prince George, Quesnel, Wells and Barkerville are within the project area.

    Central B.C. has yielded some important copper and copper-gold deposits over the years resulting in mineral discoveries that led to the opening of the Mount Polley and Gibraltar mines in the southern portion of the target area and the ongoing exploration of the Mt. Milligan copper-gold deposit to the north. Large parts of this area still remain largely unexplored due to a cover of glacial material (sand and gravel) in the region. The QUEST project was designed to help "see through" this cover of glacial material to the prospective rocks below using leading-edge exploration technologies.

    This data release is on the airborne electromagnetic (EM) survey of central B.C. collected by Geotech Ltd., from Aurora Ontario, with TRK Helicopters (BC) Ltd., based in Langley BC. The electromagnetic survey will help identify different rock types that may be associated with mineralization, and will aid in determining the thickness of glacial cover.

    Suggested Reference
    Geotech Limited (2008): Report on a helicopter-borne versatile time domain electromagnetic (VTEM) geophysical survey: QUEST Project, central British Columbia (NTS 93A, B, G, H, J, K, N, O & 94C, D); Geoscience BC, Report 2008-4, 35 p.

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