taconite pellets造句

• The quarry produced about 850, 000 tons of taconite pellets each year.
• Low-grade ore ( taconite ) shipments continued, boosted by new taconite pellet technology, but ore shipments were lower overall.
• The laboratory is also developing an alternative way to remove fine materials that rub off taconite pellets during shipping.
• Loading " Fitzgerald " with taconite pellets took about four and a half hours while unloading took around 14 hours.
• This research bore fruit in the 1940s, and Pickands Mather formed the Erie Mining Co . process taconite into usable taconite pellets.
• Duluth is a major shipping port for taconite pellets, made from concentrated low-grade iron ore and destined for midwestern and eastern steel mills.
• The Eveleth Taconite Company was formed in 1964 and on April 8, 1966, the took on the first load of Eveleth taconite pellets, about 23, 000 tons.
• The cargo of the SS " Edmund Fitzgerald, " which sank in Lake Superior on November 10, 1975, consisted of approximately 26, 116 long tons of taconite pellets.
• Because the predominant cargo for lakers was iron ore, self-unloaders did not become common until higher grade ores were depleted and taconite pellets were developed in the 1970s.
• The harbor allows transport of iron ore ( taconite pellets ) and limestone to the steel mills from the mines and quarries of the upper Midwest through the Great Lakes.
• Iron will come from low-grade iron-bearing material such as raw rock from anywhere in an iron formation, not much different from the input used to make taconite pellets in North America and elsewhere today.
• All but unreachable at the time it went down in Canadian territory, carrying a load of taconite pellets on the night of Nov . 10, 1975, the remains of the Fitzgerald have since been visited several times by diving teams using high-tech submarines and sophisticated deep-water dive suits.