File: Cassiterite-68999. jpg | Cassiterite crystals ( 2. 2 x 1. 9 x 1. 8 cm )

During gravitational separation of the ores from placer deposits, not only is Cassiterite ( SnO < sub > 2 </ sub >) found, but a small percentage of tantalite also included.

** 04. DB With medium-sized cations ; chains of edge-sharing octahedra: 05 Tripuhyite, 05 Tugarinovite, 05 Varlamoffite *, 05 Argutite, 05 Cassiterite, 05 Rutile, 05 Pyrolusite, 05 Plattnerite, 05 Squawcreekite?

In the U. S., where it was manufactured by Ciba, Montrose Chemical Company, Pennwalt and Velsicol Chemical Corporation, production peaked in 1963 at 82, 000 tonnes per year.

Spindletop became the focus of frenzied drilling ; oil production from the field peaked in 1902 at, but by 1905 production had declined 90 % from the peak.

In 1988, Brown worked with the production team Full Force on the new jack swing-influenced album I'm Real, which spawned his final two Top 10 R & B hits, " I'm Real " and " Static ", which peaked at # 2 and # 5, respectively, on the R & B charts.

Though The Times judged it a " miserable failure ," the production did much to overturn the tendency to scenic and antiquarian excess that had peaked with Charles Kean.

Oil production rose rapidly to in 2004, but output is believed to have peaked and is expected to decline gradually.

However, there are indications that regional food production has peaked in many world sectors, due to certain strategies associated with intensive agriculture such as groundwater overdrafting and overuse of pesticides and other agricultural chemicals.

In the year 1914 there were only 2 trucks made, type T 14 / 40 HP, however by the 1915 end the production jumped to the total of 105 TL-2 units and the following year 1916 the numbers rose to total of 196 TL-2 and 30 TL-4 truthe time peaked in 1917 with 19 TL-2 and 303 TL-4 models, after that production declined and the similar amount of vehicles of one type manufactured in a year was not achieved or surpassed until 1936 with the T 27 model.

While the field peaked in production in the 1950s, Occidental Petroleum continues to extract oil through its Vintage Production subsidiary and remains a significant local employer.

Hume grew immensely due to the coal mining industry and the population peaked at nearly two thousand or more during at the height of coal production.

Washington's population peaked at 1400 in 1840, after which there was a steady decline, as wool production decreased due to increasing tariffs and other factors.

The Barry Blue production gave her a contemporary sound and a Top 50 single – " Something's Cookin ' in the Kitchen ", which peaked at # 44 in the UK.

Alaska oil production peaked in 1988.

* 2005: World food production ( grains ) peaked

Silver production peaked in 1610.

However, since natural gas production in Alberta peaked in 2001 and has been static ever since, it is likely oil sands requirements will be met by cutting back natural gas exports to the United States.

U. S. Steel's production peaked at more than 35 million tons in 1953.

Federal government measures as early as 1954, and through the 1960s and 1970s, aimed to foster the development of a feature film industry in Canada ; in 1968 the Canadian Film Development Corporation was established ( later to become Telefilm Canada ) and an effort to stimulate domestic production through tax shelters peaked in the late 1970s ( see Meatballs below ).

It was placed on nitrogen injection in 2000, and production peaked at in 2003.

Cantarell's oil production peaked in 2004 and has declined in subsequent years, with further decline expected in the future.

In March 2006 it was reported that Cantarell had already peaked, with a second year of declining production in 2005.

From a production of merely 50 million liters in 1960, Cologne's beer production peaked in 1980, when 370 million liters were produced.

My lovely caller -- Joyce Holland was her name -- had previously done three filmed commercials for zing, and this evening, the fourth, a super production, had been filmed at the home of Louis Thor.

It appears to us that the same reasoning applies to the production of the hearing officer's report and notes at the trial.

The long-range objective of this Department is to provide and maintain a system of forest development roads and trails which will adequately service the National Forest System at the levels needed to meet expected needs and optimum production of products and services.

Service at these levels of production and utilization will eventually require the construction of about 379,900 miles of new roads and 6,000 miles of new trails, along with the reconstruction to higher standards of about 105,000 miles of roads and 10,500 miles of trails.

The cost of developing a major weapon system is now so enormous that the greatest care must be exercised in selecting new systems for development, in determining the most satisfactory rate of development, and in deciding the proper time at which either to place a system into production or to abandon it.

Our research and development program, serving as it does an industry which must compete against low-cost production throughout the world, continues to have primary emphasis at Leesona.

Major activity at Providence in 1961 will involve the scheduled completion of tooling for production of the Uniconer automatic coning machine.

Because the bobbin-to-cone winding process is a relatively high-cost operation for the mill, the almost complete automation provided by the Uniconer can mean important economies in textile production, at the same time upgrading quality.

sales and production of home sets were about equal at 10.4 million units.

I look for TV sales and production to be approximately equal at 5.7 million sets for the year, but I look for some decline in radios from the high rate in 1961 to more nearly the 1959 level of 15.0 - 15.5 million sets.

director of engineering at Philco of Great Britain, Ltd., and vice president in charge of production and assistant to the president at The Brush Development Co., Cleveland, Ohio.

As the material at the command of the potters grew and the volume of their production increased, the local variations within a common style became more evident.

ground meats are usually prepared from scrap meats at the local level, whereas irradiation at economic volumes of production would require central processing and distribution facilities.

World production of coffee broke all previous records in 1959 and 1960 at more than 5 million tons.

Tractor production at Massey-Ferguson, Ltd., of Toronto in July and August rose to 2,418 units from 869 in the like period a year earlier, says John Staiger, vice president.

The Leningrad Kirov Ballet, which opened a series of performances Friday night at the Opera House, is, I think, the finest `` classical '' ballet company I have ever seen, and the production of the Petipa-Tschaikowsky `` Sleeping Beauty '' with which it began the series is incomparably the finest I have ever had the pleasure of witnessing.

On the contrary, the old plays are continually being reinterpreted, and each new production of a classic has only a brief history at the Comedie.

Up-to-date environmental safety technology and adherence to international standards were promised at Nairit when the decision to resume production was announced.

In traditional production, only one car would be assembled at a time.

It is predicted that abalones will become extinct in the wild within 200 years at current rates of carbon dioxide production.

Parsons commented at the time that he felt frustrated in having to accommodate the views of some of the musicians, which he felt interfered with his production.

The magazine's stated criteria for the Hall of Fame encompasses " games that have met or exceeded the highest standards of quality and play value and have been continuously in production for at least 10 years ; i. e., classics.

By 1997, the refinery reached the same rate of production it was at before the war.