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2015-03-31 20:20:28

VANCOUVER, March 31, 2015 /PRNewswire/ - Sierra Metals Inc. (TSX:SMT)(BVL:SMT) ("Sierra Metals" or the "Company") is pleased to announce that Yauricocha's combined Measured and Indicated Mineral

2015-03-30 08:23:56

TORONTO, March 30, 2015 /CNW/ - Alacer Gold Corp. ("Alacer" or the "Corporation") [TSX: ASR and ASX: AQG] is pleased to announce an update to its Mineral

2015-03-24 12:25:05

LORDSBURG, N.M., March 24, 2015 /PRNewswire/ -- Santa Fe Gold Corporation (OTC: SFEG) is pleased to announce that it staked and filed an additional 88 mineral claims immediately adjacent

mining gold
2015-03-24 11:53:20

According to new research just presented at the 249th national meeting of the American Chemical Society in Denver, there are enough gold particles in solid human waste that it would be profitable to mine municipal sewage facilities.

2015-03-19 08:22:34

LONDON, March 19, 2015 /PRNewswire/ -- In August 2014, BHP Billiton (BHPB) announced that it intended to demerge its aluminium, coal, manganese, nickel and silver assets

2015-03-11 08:22:36

TSX: TVI OTCQB: TVIPF CALGARY, March 11, 2015 /CNW/ - TVI Pacific Inc.

2015-03-09 12:24:54

Exploratory drilling intercepts high-grade vein extension near current workings. LAKE CITY, Colo., March 9, 2015 /PRNewswire/ -- LKA Gold Incorporated (OTCQB: LKAI) Golden

2015-03-09 04:26:41

LONDON, March 9, 2015 /PRNewswire/ -- Deposits will provide additional funding for Tungsten Early Payment invoice

2015-03-04 12:22:45

DALLAS, March 4, 2015 /PRNewswire/ -- MarketReportsStore.com offers Precious Metals Mining in Papua New Guinea to 2020 - a Focus on the Gold Industry research report contains

2015-02-26 16:22:48

Trading Symbol: UEX-TSX VANCOUVER, Feb.


Latest Ore Reference Libraries

28_acf3a79763725412768c5ca1b9da5c84
2005-05-26 12:12:27

Aurichalcite is a mineral, usually found as a secondary mineral in copper and zinc deposits. Its chemical formula is (Zn,Cu)5(CO3)2(OH)6. The name probably originates from the Greek oreichalchos meaning "mountain copper".

28_f61a133ae4dae9735d482110e636dcfe
2005-05-26 10:59:49

Galena is a lead ore. This article describes Galena's mineral properties. In its chemically purified form, Galena is known as Lead Sulfide; refer to that article for chemical and industrial uses. Galena is one of the most abundant and widely distributed sulfide minerals, and is the most common ore of lead. Crystals are usually cubic, sometimes octahedral. It is often associated with the minerals sphalerite and fluorite. Galena deposits sometimes contain significant amounts of silver as an...

28_30e4ecba792d2b734beb4d32901c1f58
2005-05-26 10:41:56

Hematite (AE) or haematite (BE) is the mineral form of Iron (III) oxide, (Fe2O3), one of several iron oxides. The ore sometimes contains slight amounts of titanium. When shaped into ornaments, it is often called black diamond. Hematite is a very common mineral, coloured black to steel or silver-gray, brown to reddish brown, or red. It is mined as the main ore of iron. Varieties include Bloodstone, Iron Rose, Kidney Ore, Martite, Paint Ore, Specularite (Specular Hematite), Rainbow Hematite...

0_9636208b7e9cc634b05f1e909433c8e6
2005-05-26 08:33:21

Pentlandite is a iron-nickel sulfide, (Fe,Ni)9S8. Pentlandite usually has a Ni:Fe ratio of close to 1:1. It also contains minor cobalt. Pentlandite forms isometric crystals, but is normally found in massive granular aggregates. It is brittle with a hardness of 3.5 - 4 and specific gravity of 4.6 - 5.0 and is non-magnetic. It has a yellowish bronze color. Pentlandite is the chief ore of nickel. Typically associated with pyrrhotite, niccolite, biotite, millerite, pyrite, and chalcopyrite...

28_c851eed3f89ee31fc2bd0758fe1adb0f
2005-05-25 17:08:21

Smithsonite, or zinc spar, is zinc carbonate ZnCO3, a mineral ore of zinc. Historically, smithsonite was identified with hemimorphite before it was realised that they were two distinct minerals. The two minerals are very similar in appearance and the term calamine has been used for both, leading to some confusion.

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Word of the Day
orbity
  • A bereavement by loss of parents or children; the state of being orbate; orbation.
The word 'orbity' ultimately comes from a Latin word meaning 'bereaved'.