igneous complex造句

• Gold is also produced from three platinum mines in the Stillwater igneous complex : the Stillwater mine, the Lodestar mine, and the East Boulder Project.
• This igneous complex was emplaced and the volcanic activity, which was presumably associated with it, occurred during the end of the Taconic Orogeny in the late Ordovician period.
• These extruded rocks, containing minerals such as vanadium and platinum, are called the Bushveld igneous complex, leading to the colourful bluff faces along much of the Palala River.
• Between the Beemerville alkaline complex and the Cortlandt igneous complex, this magmatic belt consists of a linear, almost east-west trending, zone of lamprophyre and felsic dikes.
• It also occurs in the layered igneous complex of the Bushveld region of South Africa and the Oktyabr'skoye copper-nickel deposit of the Eastern-Siberian Region, Russia.
• In addition to the discovery locality, it has been reported from the Stillwater igneous complex in Montana and the New Rambler copper nickel mine in the Medicine Bow Mountains of Wyoming.
• In addition to these processes, impact events such as ones that created the Addams crater on Venus and the Sudbury Igneous Complex in Canada are known to have caused melting and volcanism.
• In Finland, melanite bearing nepheline rocks have been found and described as ijolite, but the only other locality for melanite-leucite-syenite is Magnet Cove igneous complex in Arkansas.
• This was an alluvial deposit but its importance was recognised by Hans Merensky whose prospecting work discovered the primary source in the Bushveld Igneous Complex and traced it for several hundred kilometres by 1930.
• It was first described in 1966 for an occurrence in the Merensky Reef of the Western Bushveld Igneous Complex, South Africa, and named for South African geologist Hans Merensky ( 1871 1952 ).
• Sulfides associated with peridotites form nickel ores and platinoid metals; most of the platinum used in the world today is mined from the Bushveld Igneous Complex in South Africa and the Great Dyke of Zimbabwe.
• Stillwaterite was first discovered in the Banded and Upper zones of the Stillwater igneous complex in Montana, US, and has been reported in the Lac-des-Iles area of Ontario, Canada.
• The Stillwater igneous complex of Montana and the Roby zone ore body of the Lac des 蝜es igneous complex of Ontario are the two other sources of palladium in Canada and the United States . and polarite.
• The Stillwater igneous complex of Montana and the Roby zone ore body of the Lac des 蝜es igneous complex of Ontario are the two other sources of palladium in Canada and the United States . and polarite.
• A majority of the company's operations take place in the Bushveld Igneous Complex, a large region that contains a range of mineral commodities including chromium, vanadium, titaniferous magnetite and platinum group metals.
• In 1924 he followed up the discovery of alluvial platinum by A F Lombard on his farm in Lydenburg and discovered its source in the Bushveld Igneous Complex which set him on the road to financial recovery.
• Some copper is also produced by Troy unit silver mine in the northwest corner of the state, and by two platinum mines in the Stillwater igneous complex : the Stillwater mine and the East Boulder project.
• It occurs as magmatic segregations in layered igneous intrusions such as Bushveld, the Stillwater igneous complex, the Lac des 蝜es igneous complex, the Isle of Rum intrusive, the Great Dyke and many others.
• It occurs as magmatic segregations in layered igneous intrusions such as Bushveld, the Stillwater igneous complex, the Lac des 蝜es igneous complex, the Isle of Rum intrusive, the Great Dyke and many others.
• The largest known primary reserves are in the Bushveld igneous complex in South Africa, though the large copper nickel deposits near Norilsk in Russia, and the Sudbury Basin in Canada are also significant sources of osmium.