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Gemstones, Minerals & Fossils
Gemstones and Minerals
Australian Gemstone Localities [Published 1933] - (Digitised 1982)
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<blockquote data-quote="snafu" data-source="post: 505542" data-attributes="member: 1252"><p>Yes, LW, the list would have been compiled based on 'reported finds' and therein lies the inaccuracies that came with those reports.</p><p></p><p>As I stated earlier, the listing for sapphire at Glendarriwell is totally incorrect. Like practically all areas further east of the Drummond Ranges, the overburden of soil would have made any productive wash inaccessible to the early prospectors. The lay of the land at Glendarriwell is identical to Subeira which lies not too far to the east of Sapphire, more or less flat plains with very deep soil deposits. Back in 1990, I spent some time at Subeira with a mate on the Great Northern Mining drill rig and we didn't strike wash until the 250' level, far too deep for hand mining back in the early days and now. Even though the test holes produced sapphires at that level, the returns were dismal to say the least.</p><p></p><p>Today, we have the means to research areas, but back in the 1930's it wasn't such an easy task and the same could be said about right up until the advent of computers and the internet.</p></blockquote><p></p>
[QUOTE="snafu, post: 505542, member: 1252"] Yes, LW, the list would have been compiled based on 'reported finds' and therein lies the inaccuracies that came with those reports. As I stated earlier, the listing for sapphire at Glendarriwell is totally incorrect. Like practically all areas further east of the Drummond Ranges, the overburden of soil would have made any productive wash inaccessible to the early prospectors. The lay of the land at Glendarriwell is identical to Subeira which lies not too far to the east of Sapphire, more or less flat plains with very deep soil deposits. Back in 1990, I spent some time at Subeira with a mate on the Great Northern Mining drill rig and we didn't strike wash until the 250' level, far too deep for hand mining back in the early days and now. Even though the test holes produced sapphires at that level, the returns were dismal to say the least. Today, we have the means to research areas, but back in the 1930's it wasn't such an easy task and the same could be said about right up until the advent of computers and the internet. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Australian Gemstone Localities [Published 1933] - (Digitised 1982)
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