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Thread: Mines an Opal

  1. #1
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    Mines an Opal

    In 1895 the Sullivan brothers opened their first opal mine in Australia. By 1915 they had six mines in different locations. Can you match each map location (A-F), with the name of the mine, the year it was opened and weight of the largest opal discovered at each mine?

    Years opened:1895, 1899, 1903, 1908, 1910, 1915
    Opal weights:352gms, 395gms, 428gms, 480gms, 515gms, 552gms

    1. The opal weighing 552gms was discovered at either location D or Tullaroo (which was opened either four years before or four years after the mine at location [img]/forums/images/smilies/cool.gif[/img].

    2. The opal found in 1908 weighed more than the one mined at Marraville (which isn't location A) and less than the mine at location F (which was opened five years before the mine at location E).

    3. Larradoo mine is located due north of the one opened in 1895.

    4. The gem weighing 480gms wasn't discovered at Warrengo (which is located due south of the mine opened in 1910 where the opal weighing 428gms was found).

    5. The opal weighing 395gms was found at Karoomba which is located somewhere east of at least one of the other mines.

    6. Barrabilly isn't the most westerly mine and was opened four years later than the
    mine at location C.
    Jerry

  2. #2
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    Re: Mines an Opal

    After much head scratching and several sheets of A4
    <table border=1><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Mine</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Year</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Name</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Weight</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">A</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">1903</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Tullaroo</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">552</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">B</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">1899</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Barrabilly</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">480</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">C</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">1895</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Warrengo</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">515</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">D</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">1908</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Karoomba</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">395</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">E</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">1915</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Marraville</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">352</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">F</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">1910</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">Larradoo</span hide></td><td align=center valign=bottom><span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">428</span hide></td></table>

  3. #3
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    Re: Mines an Opal

    Well done Tony, it was a stinker <img src=/S/trophy.gif border=0 alt=trophy width=15 height=15>

    You should be in bed mate, work in the morning
    Jerry

  4. #4
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    Re: Mines an Opal

    No work for me tomorrow. <img src=/S/yep.gif border=0 alt=yep width=15 height=15>

    The paper I used for this puzzle could come in useful though to make some paper aeroplanes

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