Mining News
Rich River Exploration Ltd.
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Rich River Exploration Ltd.
Mining News
Gold Facts
1 grain = .0648 grams
24 grains = 1.5552 grams = 1 Penny Weight (dwt)
480 grains = 31.10 grams = 20 Penny Weight = 1 troy oz
5760 grains = 373.24 grams = 240 Penny weight = 12 troy oz= 1 troy lb
Color is golden "butter" yellow.
Luster is metallic.
Transparency is opaque.
Crystal System is isometric
Crystal Habits include massive nuggets and disseminated grains.
Also wires, dendritic and arborescent crystal clusters.
Cleavage is absent.
Fracture is jagged.
Streak is golden yellow.
Hardness is 2.5 - 3
Specific Gravity is 19.3+ (extremely heavy even for metallic minerals)
Other Characteristics: malleable, ductile, and sectile, meaning it can be pounded into other shapes, stretched into a wire and cut into slices.
Notable Occurrences include California and South Dakota, USA; Siberia, Russia; South Africa; Canada and many other localities around the world.
Best Field Indicators are color, specific gravity, density, hardness, malleability and ductility.
A cubic centimetre of gold weighs 19.3 grams.
A cubic meter of gold weighs 19.3 tonnes.
A cubic inch of gold weighs 315.2 grams = 10.13 troy
ounces = 11.06 avoirdupois (ordinary) ounces.
A cubic foot of gold weighs 545.225 kilos = 1188.6
pounds (avoirdupois).
Purity
24 Karat = 100% Pure Gold
18 Karat = 75% Pure Gold
14 Karat = 58% Pure Gold
10 Karat = 42% Pure Gold
BC MINING FACTS
The mining industry is a major contributor to the BC and Canadian economy in the form of employment, taxes and exports.
Mining is a 4.5 billion dollar industry in British Columbia.
Across Canada, mining generates more than 50% of rail revenue and accounts for over 60% of total sea port volume.
Mining jobs are the highest paid jobs in the resource sector, averaging $94,700 per year including benefits The industry creates 6,442 direct jobs and more than 12,000 indirect jobs.
BC companies fund, develop and operate mining projects worldwide.
An environmentally and socially responsible industry, committed to the principles of sustainability.
The mineral potential in BC is considered to be among the most promising in the world.
Actual land usage for a mine is extremely small relative to the area explored – less than 28,000 hectares are currently being used by mining which is less than 0.03% of BC's total land base
Mining lands are reclaimed and create new habitat for wildlife.
Prior to 2004, the last new mine to open up in BC was in 1998.
About BC Mineral Exploration
Total mineral exploration investment in 2004 was over $130 million compared to just $29 million in 2001. This is an increase of almost 350% and the highest level since 1991.
Direct provincial revenues from mining increased from $53.9 million in 2001 to an estimated $115.9 million in 2004, an increase of over 115%.
Provincial mineral tax revenues rose from $44.7 million in 2001 to a forecast $107 million in 2004, an increase of over 139%.
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