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May 28, 2017, Weekly Geology Guess, Gold

May 28, 2017
Greetings from the Bluff Park Back Porch, way up yonder on Shades Mountain (1,109′) in Alabama:

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For the next several weeks, roughly 5 weeks we will discuss the critical metals mentioned in Nova’s Treasures of the Earth.  These include gold, copper, bronze, iron, and steel.
Largest gold nugget ever found in Alaska at 20.16 pounds.

http://www.geologyin.com/2017/05/the-largest-gold-nugget-ever-found-in.html#f106yB2Zwoz7PS0e.99

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NOVA, Treasures of the Earth

1.    NOVA, Treasures of the Earth, Gems.

2.    NOVA, Treasures of the Earth, Metals.

http://www.pbs.org/video/2365886855/

3.    NOVA, Treasures of the Earth, Power (Fossil Fuels).

http://www.pbs.org/video/2365892300/

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Gold
Gold is a chemical element with symbol Au (from Latin: aurum) and atomic number 79. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal and a group 11 element. It is one of the least reactive chemical elements and is solid under standard conditions. Gold often occurs in free elemental (native) form, as nuggets or grains, in rocks, in veins, and in alluvial deposits. It occurs in a solid solution series with the native element silver (as electrum) and also naturally alloyed with copper and palladium. Less commonly, it occurs in minerals as gold compounds, often with tellurium (gold tellurides).
Golden Images:

https://images.search.yahoo.com/yhs/search;_ylt=A0LEVjJqHSpZq98AnkUPxQt.;_ylu=X3oDMTBsa3ZzMnBvBHNlYwNzYwRjb2xvA2JmMQR2dGlkAw–?_adv_prop=image&fr=yhs-lvs-awc&va=gold&hspart=lvs&hsimp=yhs-awc

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>    Search:  NOVA, Treasures of the Earth, opal.
References include:
–    Wikipedia
–    PBS, NOVA > Treasures of the Earth.
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Editors Note:  It is the intent of this site to keep this discussion as simple as possible, so as to educate the interested general public and not to discuss with the geology crowd the latest geologic theories and nuances.  Thanks, R
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“No copyright infringement intended.
The rights belong to their respective owners”

Copyright Disclaimer: Under Section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.

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Author’s Request:  If you see any pictures that you know the source and photographer, let me know immediately.  Thanks!  R

Images have been searched by TinEye Reverse Image Search.  http://tineye.com/
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Next week I will venture into metals > Copper

 
Enjoy the adventure!
 
Thanks,

 

R
1. Gold nugget, Alaska Centinnial Nugget, Largest found in Alaska is named the Alaska Centennial, 20.15lb. Nugget. .
1. Gold nugget, Alaska Centinnial Nugget, Largest found in Alaska is named the Alaska Centennial, 20.15lb. Nugget. .
2 0Native Gold on Pink Feldspar. Nugget Pond Mine, Newfoundland, 2. Canada
2 0Native Gold on Pink Feldspar. Nugget Pond Mine, Newfoundland, 2. Canada
3. Gold, Native leaf on quartz, 4.5x3.4x3.3cm. Obboda Mineral Collection.
3. Gold, Native leaf on quartz, 4.5×3.4×3.3cm. Obboda Mineral Collection.
4. Gold with Quartz, Easgle's Nest Placer, CA. 6.4x2.9x1.cm
4. Gold with Quartz, Easgle’s Nest Placer, CA. 6.4×2.9×1.cm
5. Gold Crystals, Venezuela. by unknown.
6. Gold Bar, 250kg, 550LB. PHGCOM
6. Gold Bar, 250kg, 550LB. PHGCOM
 7. Gold Coins, Swedish-Danish.. 20kr. Anonimskipng
7. Gold Coins, Swedish-Danish.. 20kr. Anonimskipng
8. Gold Necklace, Moche. 2008. Pattcych
8. Gold Necklace, Moche. 2008. Pattcych
9. Gold, synthetic crystals. 2009. www.pse-mendelejew.de
9. Gold, synthetic crystals. 2009. http://www.pse-mendelejew.de
10. Gold Miner, underground, Pumsaint gold mine, Wales.1938. Percy B. Abery
10. Gold Miner, underground, Pumsaint gold mine, Wales.1938?. Percy B. Abery
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