prospecting
DESCRIPTION
- PowerPoint PPT PresentationTRANSCRIPT
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IMPORTANT: KEEP SLIDES SPACIOUS AND SIMPLE-Review the information in the Unit 5 module about simplicity of PowerPoint. Convert the words on each slide to short phrases (2 to 4 words for each bullet point), so that you follow the 7x7 rule.
-Slide 3: AVOID displaying entire quotes word-for-word, unless they are quite short. (the quote on slide 5 is OK)
-Slides 7,8 & 9 are too crowded. Reduce the long points to a few words. example: -wide-mouth; -set into river
GRAPHICS-Can you add a diagram of a sluice box?
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PROSPECTING Presented by
Andrew L. Johnson
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Prospecting: different forms that anyone can use!
Panning And
Sluice Boxes
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What is Panning? Definition: looking for gold by hand
Soil is “gently agitated… gold sinks to the bottom...
Materials with low specific gravity spill out
Materials with a high specific gravity sink to the bottom”
http://www.mine.mn/Gold_Pan.htm
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How to Pan for GoldWater-dirt ratio
Panning techniques: vary
Objective: clean rocks from sediment/dirt
Ideal: square of water
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Location State regulated
In streams and rivers
“Where the trout is that’s where the gold is” (Sam from Armadillo Mining Co.)
Black sand
Behind big rocks
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Safety Water :
Never go alone Be aware of rapids … sink holes … flashfloods … quickly moving
water … first aid kit
Mountaineering:
Never go alone Bring food … sunscreen … water … personal protection … first aid kit
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Sluice box What is a sluice box?
Wide mouth set into the river
This concentrates the gold
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Flow of the river
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How does a sluice box work?
Construction:
Miners moss
Riffles: low spots in the flow pressure
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Process/steps 1. classify (sort) soil
2. Place into river
3. Manage water flow
4. Place soil mixture into sluice box
5. Afterwards, place into bucket for panning
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Why and when to use sluice box:
State regulations vary
Use to simplify work
Saves hours of work by hand
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Geodek. (1994). Gold ore. In U.S.A.
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Conclusion Gold panning: fun outdoor activity!
Any age can do it!
Easy to learn!
Great family activity!
Give it a try!
And… you might hit the mother lode!!!
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Happy Panning!
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Works Cited Geodek. (1994). Gold ore. In U.S.A.
Gold panning. (2013, April 04). Retrieved from http://www.mine.mn/Gold_Pan.htm
Gold ore [Web Photo]. Retrieved from http://mamasminerals.com/products/Gold-Ore.html
Hill, M. (2012). Diving and digging for gold. Happy Camp: Naturegraph.
Sam. (2013, April 12). Interview by A. L. Johnson []. Prospecting.