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Offline dangermanghostTopic starter
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« Reply #40 on: April 26, 2010, 01:48:33 am »
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Quote:Posted by wholesaler57
I did find something similar except that it had more iron content and rust spots on it. I had it checked and it turned out to be a Henberry III AB meteorite. I was excited.

Well done wholesaler,I would have been just as excited...that`s a great find.
Keep on scanning. Smiley
Hi pesim,yeah I`ll try and find out more,thanx again for your input.
I just checked out where in Oz you are,I was there in 1999/2001,took the transcontinental from Perth to Sydney,so must have passed the Murray near the blue mountains.
Here`s a geeky thing (off subject)...I just zoomed in on your place indicator where you live and their is a Qantas aircraft above and to the right of the roundabout,..silly I know !!...but see if you can find the shadow,I did... Cheesy

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A.C.E...stands for...Artifacts Can`t Escape.

Offline GoldDigger1950
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« Reply #41 on: April 27, 2010, 01:02:05 pm »
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Quote:Posted by dangermanghost
Here`s a geeky thing (off subject)...I just zoomed in on your place indicator where you live and their is a Qantas aircraft above and to the right of the roundabout,..silly I know !!...but see if you can find the shadow,I did... Cheesy


LoL! Well spotted! I was going to ask how you knew it was Qantas until I zoomed in and read it on the plane's side. Amazing graphic detail on those maps.

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It's all about that moment when metal that hasn't seen the light of day for generations frees itself from the soil and presents itself to me.
Let's Talk Treasure!

Offline pesim1
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« Reply #42 on: April 27, 2010, 03:01:40 pm »
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Haha lol yeah found it wonder if I dig on the x shadow whether it will turn any thing up Huh?Huh? LOL   Detecting

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Offline dangermanghostTopic starter
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« Reply #43 on: April 29, 2010, 04:44:06 am »
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Hi Golddigger,..technology eh !?...this Internet animal is fantastic for THunters and the like.
regards.

Hi Pesim,well done finding it..Lol,would be interesting project to see if you could find the exact spot with longitude and latitude..and have a bit of a scan (if you find anything,it`s 50/50  Wink )..Ok,60/40 !!  Grin
regards

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Offline Fools Gold
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« Reply #44 on: April 29, 2010, 06:46:40 am »
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HMMMmmm? No idea.

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« Reply #45 on: May 02, 2010, 07:47:21 pm »
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I have found similar metal chunks, they usually came from a fire, where it melted metal. All are different in color from the local rock types, that sort of thing.

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« Reply #46 on: May 02, 2010, 08:32:05 pm »
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Have you measured it's specific gravity?  It looks amazingly like the gold you find in my neck of the woods, which is laden with silver and copper giving it a greenish tint.  Most people don't even recognize it as gold because it's greenish, although it's usually about 85-90% gold with the other 10-15% being silver and copper.  Granted I've never found anything that big, but if it has the properties of the gold around here it should have a specific gravity of around 16-17.

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Anybody who says "it can't be done" will usually be interrupted by somebody who is already doing it.

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« Reply #47 on: May 02, 2010, 10:01:23 pm »
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Has this been melted?
Has anyone used the gold bug 2 in the water?

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« Reply #48 on: May 02, 2010, 10:54:13 pm »
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I know most everybody understands how to measure specific gravity on stuff that they dig, but there are a couple of people who have questioned me in private about this, so here's a rough way to determine the specific gravity on any unknown mineral you dig.  This isn't necessarily going to tell you what the mineral is, but it'll let you know if you need to pursue further investigation.

First weigh your specimen clean and dry.

Then take a measuring cup, beaker or even ice tea picher as long as it has graduation marks on it and is big enough to take the specimen.  Weigh any other container completely dry and empty. It doesn't matter what it is, a glass or whatever is big enough to hold the spill.  Jot down the weight of the container.

Fill the graduated container with water to a specific level and note that level.  Place your specimen in the graduated container, and dump water out into your test container until the level in your graduated container is at the same level it was before you added the specimen.  Now weigh the test containter that you dumped the water into, subtract the weight of that container, and notate that weight.

Now you've got a fairly accurate  weight difference between the displaced water, and the weight of the specimen itself.  Divide the weight of the specimen by the weight of the water alone, and you have your specific gravity. 

If the number is hovering up around 19, you've got close to pure gold.  If it's around 2.5 you've got probably got aluminum. Pure silver will be around 10.5.  Many other minerals will have common specific gravity values in the middle ranges.  For example if you get a specific gravity of around 4.5 you won't know if it's selenium or titanium unless you know the difference by sight and have a good survey of the mineral content of the land your prospecting on. 

You can't really determine with 100% accuracy what you've got with the specific gravity test, but you can certainly get an idea of what the mineral "might" be so you can decide whether to investigate it further.

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« Last Edit: May 02, 2010, 11:28:00 pm by bigwater »
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Offline dangermanghostTopic starter
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« Reply #49 on: May 03, 2010, 02:33:57 am »
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Thanks for the input bigwater,..very helpful.
Regards.

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