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Rare Earth Stocks RSS Feed

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14
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36
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Posts (Total)
164
Created
07/30/09
Type
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THE REE STOCKS:

- Matamec Explorations Inc. - OTC:MTCEF/ TSX:MAT - http://investorshub.advfn.com/boards/read_msg.aspx?message_id=40109338

- Sarissa Resources -Pink Sheets SRSR -  http://investorshub.advfn.com/boards/board.aspx?board_id=8822

- Great Western Minerals Group Ltd - http://investorshub.advfn.com/boards/board.aspx?board_id=2997 - http://investorshub.advfn.com/boards/board.aspx?board_id=15770

HUDSON RESOURCES INC - HUD:TSX-V

- Ucore Uranium Inc- UCU:TSX-V

KINGS BAY GOLD CORPORATION - KBG:TSX-V

MAINSTREAM MINERALS CORP - MJO:TSX-V

MOLY MINES LTD - MOL:TSX

AVALON RARE METALS INC - AVL:TSX

QUEST URANIUM CORP - QUC:TSX-V

- Rare Element Resources - RES.V

Rare earth elements became known to the world with the discovery of the black mineral ytterbite (also known as gadolinite) by Lieutenant Carl Axel Arrhenius in the year 1787, in a quarry in the village of Ytterby, Sweden.[2] Many of the rare earths are named for the scientists who discovered or elucidated the elemental properties, or for their geographical discovery, or for Latin or Greek references, or for mythical references:

The following abbreviations are often used:

  • RE = rare earth
  • REM = rare earth metals
  • REE = rare earth elements
  • REO = rare earth oxides
  • LREE = light rare earth elements (La-Sm)
  • HREE = heavy rare earth elements (Eu-Lu)

Until 1948, most of the world's rare earths were sourced from placer sand deposits in India and Brazil.[6] Through the 1950s, South Africa took the status as the world's rare earth source, after large rare earth bearing veins were discovered in Monazite.[6] Today, those Indian and South African deposits still produce some rare earth concentrates, but they are dwarfed by the scale of Chinese production. China now produces over 95% of the world's rare earth supply.[5]

The use of rare earth elements in modern technology has increased dramatically over the past years. For example, dysprosium has gained significant importance for its use in the construction of hybrid car motors.[7] Unfortunately, this new demand has strained supply, and there is growing concern that the world may soon face a shortage of the materials.[8] All of the world's heavy rare earths (such as dysprosium) are sourced from Chinese rare earth sources such as the polymetallic Bayan Obo deposit.[9] Illegal rare earth mines are common in rural China and are often known to release toxic wastes into the general water supply. [10]

The rare-earth elements are defined as a group of chemical elements composed of scandium, yttrium, and the lanthanides. The lanthanides are a group of 15 chemically similar elements with atomic numbers 57 through 71, inclusive. Although not a lanthanide, yttrium, atomic number 39, is included in the rare earths because it often occurs with them in nature, having similar chemical properties. Scandium, atomic number 21, is also included in the group, although it typically occurs in rare- earths ores only in minor amounts because of its smaller atomic and ionic size.

Rare-earths production is derived from the rare-earths ores bastnasite, monazite, xenontime, and ion-adsorption clay. Bastnasite is the world's principal source of rare earths and is produced in China and the United States. Significant quantities of rare earths are also recovered from the mineral monazite. Xenotime and ion-adsorption clays account for a much smaller part of the total production but are important sources of yttrium and other heavy-group rare earths.  MORE: http://investorshub.advfn.com/boards/read_msg.aspx?message_id=40030198



Lanthanum
Cerium
Praseodymium
Neodymium
Samarium
Europium
Gadolinium
Terbium
Dysprosium
Holmium
Erbium
Thulium
Ytterbium
Lutetium
Scandium
Yttrium


http://www.baotou-rareearth.com/index.html
http://www.australianrareearths.com/


CERIUM
http://www.youtube.com/watch?v=nYNA3OZhiJ8

Cerium/ Lanthanum
http://www.youtube.com/watch?v=kPpqet4Xzm8

LANTHANUM
http://www.youtube.com/watch?v=Q21clW0s0B8

NEODYMIUM
http://www.youtube.com/watch?v=9EqLreywjTY

YTTRIUM
http://www.youtube.com/watch?v=tbYF5V-_Y5k
http://www.youtube.com/watch?v=q7jVtQv4m0U

---------------------------------------------------------------------------------------------------

THE REE STOCKS:

Matamec Explorations Inc. - OTC:MTCEF/ TSX:MAT - http://investorshub.advfn.com/boards/read_msg.aspx?message_id=40109338

 

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