Scribd.com – Marble Industry of Rajasthan

Worldwide natural stone extraction is estimated at 1150 million ton per year. The total export quantity of marble, granite and other processed solid stones reached 1.53 million ton in the first six months of 2004, compared with 1.45 million ton in the first half of 2003.

Express-News – Sand mines boom along with fracking – San Antonio Express-News

Sand mining is booming in Central Texas, as drilling companies are demanding tons of it. Sand aids in getting the best production from wells drilled in the Eagle Ford shale of South Texas and other tight rock formations.

Energy services companies head to the sand pit – Houston Business Journal

Platinum's current sand production in Wisconsin is 10,000 tons per month. Between 300 and 500 tons of sand are needed to frac a single well SOURCE: Nebraska Oil and Gas Conservation Commission.

ReviewJournal.com – Journey to jewelry takes millions of years and dollars – Business – ReviewJournal.com

An explosive is set off Aug 7 at Barrick Gold Corp.'s Cortez mine, where an average of 400,000 tons of rock daily was moved in 2011. Today, Cortez Hills has an open-pit mine full of ore of one- to two-tenths of an ounce of gold per ton, and an underground operation with ore averaging seven-tenths of an ounce per ton.

Mining Arizona – The Arizona Experience – landscapes, people, culture and events

These six commodities comprise 99% of the state's total production value, worth $7.84 billion in 2008. Over 350 quarries and aggregate plants produce industrial minerals and rock products such as, lime, construction sand and gravel, salt, and pumice and perlite.

Springfield-Greene County Library District – Past and Present of Greene County, Missouri

Per ton loaded on the cars at Billings, and is worth about three dollars per ton at the smelter at Carondelet, where most of the product is sent.

EUROPA – R&D topics – Research – Energy

An example of the storage side is the monitoring of the SACS project, looking at the Sleipner experiment in the North Sea, where 1 million ton of CO2 per year is being sequestrated in an aquifer.

Blue Skyways – First Biennial Report, 1878, Republic County, Kansas

It is obtained by drifting, and is worth at the mines from $2.50 to $3 per ton. Average increase per annum, 17.16+ per cent. Washington 389 White Rock 490. Bottom land, 10 per cent. Upland, 90 per cent.

How to Build A Pyramid

We'll need 20 hoists, custom-designed for pyramid-building, to move 2 1/2-to-3 1/2-ton limestone blocks up the sides of the pyramid at a rate of 700 feet per minute. And the closest place to find 91 million cubic feet of good limestone is near Bedford, Indiana, at a cost of $6 per cubic foot.

TheFabricator.com – Consolidation talk picks up speed – Industry Trends and Analysis Tech Cell – TheFabricator.com

As steel industry founders on the rocks, big players look at pulling together. It's clear that decades of inertia must end and that integrated steel mills — those that produce steel from scratch with iron ore, coke, and limestone-must consolidate or die. Who wants to merge only to pick up that much more liability.

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