EDN elkedra diamonds nl

interpretation of announcement

  1. 1,507 Posts.
    Can anyone interpret what these figures mean please?



    ELKEDRA DIAMONDS NL 2002-11-25 ASX-SIGNAL-G

    HOMEX - Perth

    +++++++++++++++++++++++++
    RECONNAISSANCE SAMPLING

    Interpretation of Landsat imagery and radiometric data together with
    photo-interpretation analysis has identified extensive surface
    manganese occurrences extending over a gross area of affectively
    24,000 square kilometers in Elkedra's eastern tenements. During
    Elkedra's helicopter-assisted diamond stream sediment sampling
    program, reconnaissance sampling of these manganese occurrences was
    undertaken over an 18,000 square kilometer area. The first group of
    samples has been assayed with additional samples collected awaiting
    final assaying. Significant manganese and base metal results have
    been returned.

    MANGANESE

    Assay results indicate additional manganese targets are present
    (Table 1) in Elkedra's eastern tenements with up to 53 % manganese
    reported from surface grab samples.

    Table 1: Summary of Surface Grab Samples Reporting ELEVATED MANGANESE.

    Sample Mn % Fe % P % SiO2 wt% Al2O3 wt%
    (Manganese) (Iron) (Phosphorous) (Silica) (Alumina)

    D00137 47.63 1.97 0.06 12.50 0.97
    D00143 53.51 1.16 0.36 4.13 1.11
    D00148 39.34 0.78 0.11 29.70 0.96
    D00149 42.98 1.93 0.12 14.70 3.57
    W00121 32.99 3.13 0.17 29.10 3.30
    T00035 52.00 0.54 0.06 n/a n/a
    T00040 42.50 0.98 0.11 n/a n/a

    DRILLING - LUCY CREEK MANGANESE

    During late October early November 48 RAB holes, totaling 1,572m were
    drilled at the Lucy Creek #2 manganese target. This was a
    reconnaissance drilling program designed to assess the shallow
    dipping outcropping anomaly.

    Visual inspection of drill spoils has identified an occurrence of
    stratiform, massive manganese over a surface area of 240,000sqm which
    is open-ended to the south. Drilling was on 100m to 200m centers with
    intersections ranging from 1 to 3 meters of massive manganese. All
    manganese occurred at less than 20 meters depth. In addition,
    possible lower grade "replacement manganese" is pervasive in many of
    the holes. Final assessment of drilling results is awaiting
    geochemical analysis.

    BASE METALS

    Reconnaissance sampling of iron-rich and manganiferous outcrops
    returned highly significant results. Assay results of the first group
    of samples included Lead values up to 2.3%, Barium up to 4.2%, Zinc
    up to 3,500 ppm, Cobalt up to 1,600 ppm, Arsenic up to 2,000 ppm,
    Cerium up to 1.0%, Molybdenum up to 40 ppm and anomalous Silver.

    These results are consistent with those expected of a mineralizing
    system, and confirm the prospectivity of the area for significant
    stratiform lead-zinc deposits similar in style to the world class
    Mount Isa/McArthur River deposits located further east in Queensland.

    SUMMARY

    The drilling results at Lucy Creek confirm that the surface manganese
    expressions at this locality have buried down-dip extensions.
    Further, the results give added encouragement to the regional
    manganese potential where literally hundreds of similar manganese
    expressions outcrop over a 24,000 square kilometre area in Elkedra's
    eastern tenements.

    Apart from the manganese potential, elevated values of a range of
    base-metals and rare earth elements are consistent with the presence
    of a regional hydrothermal system potentially related to a large
    base-metal mineralized system. Geochemical sampling at each of the
    diamond stream sediment sample sites, coupled with surface rock
    samples, is resulting in an extensive geochemical database allowing
    for regional kimberlite and base-metal target generation.


    M D J Cozijn
    CHIEF EXECUTIVE OFFICER-DIRECTOR

    This report is based on information compiled by and reported upon by
    Dr Linda A Tompkins, Technical Director who is a member of the
    Australasian Institute of Mining & Metallurgy and Dr Wayne Taylor,
    Exploration Manager/Alternate Director, both of whom have at least 5
    years experience in the field of activity covered.

    --------------------------------------------------------------------------------
 
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