Sentences with word «ilmenite»

I'll be kind & use the same in - the - ground prices as last year (approx. 10 % of medium / long term average spot prices): A price of $ 18 per tonne for ilmenite looks spot on, the $ 100 price for rutile's mostly irrelevant, and a $ 133 price for zircon's generous considering recent grading & pricing.
Space scientists are keen to map the concentration of the titanium - dioxide - rich mineral ilmenite on the moon's surface, says Jim Garvin of NASA's Goddard Space Flight Center in Greenbelt, Maryland.
That doesn't make sense, Wang said, because olivine usually crystallizes early and the titanium - rich ilmenite crystallizes late.
Mineral sands miner Base Resources has received a force majeure notice from one of its offtake partners, which will affect an $ US11.6 million ilmenite sales agreement.
Mineral Deposits and Eramet are 50 - 50 partners in a business that digs up minerals sands in Senegal and processes most of what it extracts from those granules at a titanium and iron ilmenite processing plant at Tyssedal in Norway.
Now Raúl Baragiola and colleagues at the University of Virginia, Charlottesville, have tried to reproduce this reaction in the lab by firing protons at crystals of ilmenite and anorthite, two of the most common lunar minerals.
The titanium ended up in a mineral called ilmenite (FeTiO3) that typically doesn't crystallize until a very late stage, when perhaps only 5 percent of the original melt remains.
I must say however, your «medium term prices» are unrealistically low and I can not support your reluctance to use current spot prices for ilmenite, rutile and zircon.
The composition of the dark material is unknown, but one idea is that it contains opaque minerals like the iron - titanium mineral ilmenite, which is fairly common on the Moon.
Called TiZir, the joint venture was formed in 2011 with Limb's business contributing the mineral sands mine and initial processing infrastructure that separates the heavy metals extracted from the sand into materials such as zircon, rutile and ilmenite.
«That makes more sense,» Jolliff said, «because iron - enriched olivine and ilmenite are more likely to occur together.
When it finally crystallized, the ilmenite - rich material, which is also dense, sank into the mantle, forming areas of Ti enrichment.
«You still have to explain how you get to an olivine - rich and ilmenite - rich rock.
The scientists infer that late in the magma - ocean crystallization, iron - rich pyroxene and ilmenite, which formed late and at the crust - mantle boundary, might have begun to sink, and early - formed magnesium - rich olivine might have begun to rise.
«Future miners living and working on the Moon could break down ilmenite to liberate these elements.
I've used per tonne prices of $ 18 for ilmenite, $ 100 for rutile, $ 133 for zircon, a 50 % haircut for probable reserves, and 75 % for measured & indicated resources.
Fraser Island is actually abundant in deposits of monazite, zircon, ilmenite and rutile, leading to the approval of sand leases.
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