Sentences with word «kimberlite»

A scientist has found that a thorny, palmlike plant in Liberia seems to grow only on top of kimberlite pipes, which are known to contain diamonds.

A geologist has discovered a thorny, palmlike plant in Liberia that seems to grow only on top of kimberlite pipes — columns of volcanic rock hundreds of meters across that extend deep into Earth, left by ancient eruptions that exhumed diamonds from the mantle.

A grove of Pandanus candelabrum, which appears to grow only in diamond - bearing kimberlite soils.

Our goal is to keep old friends, ex-classmates, neighbours and co This paper reviews key characteristics of kimberlites on the Ekati property, NWT, Canada.

Increasingly, scientists are looking at kimberlites» odd mix of geological characteristics to discern how diamond deposits get

It's been more than two decades since geologists Chuck Fipke and Stewart Blusson discovered diamond - rich kimberlites in the N.W.T., sparking the biggest staking rush in Canadian history.

Temporal, geomagnetic and related attributes of kimberlite magmatism at Ekati, Northwest Territories, Canada

Almost all diamonds come from volcanic deposits called kimberlites.

It was a crucial time for the nascent Canadian diamond industry: Tantalizing deposits of diamond - rich kimberlite had been discovered in the Lac de Gras region, about 300 kilometres north of Yellowknife, and mining companies had rushed in to stake claims, hoping the next big diamond supplier might be Canada.

In 2013, near an area called Camp Alpha, he discovered a new kimberlite pipe 500 meters long and 50 meters wide.

For those countries, which have suffered through wars and the Ebola epidemics, kimberlite mining could offer revenue without great damage to the environment, Shirey says.

But the new plant, identified as Pandanus candelabrum, is the first indicator species for diamond - bearing kimberlite, says Stephen Haggerty, a researcher at Florida International University in Miami and the chief exploration officer of Youssef Diamond Mining Company, which owns mining concessions in Liberia.

To look for diagnostic kimberlite minerals, he used corrugated steel rods to dredge up samples from the swampy soil.

Bevington, though, has long expected the industry would consolidate as mines aged and production shifted to less lucrative kimberlite bodies.

But as Lucara has continued to process kimberlite, the igneous rock that sometimes contains diamonds, the company has been able to show a random distribution of very large stones in the mine's south lobe.

The fact that there are multiple profitable kimberlite pipes on each of the Ekati and Diavik properties — which sit in the same geological formation — suggests to him that the region's prospects won't end at the bottom of the pits currently being mined.

At Ekati, the company expects to start extracting from a high - grade kimberlite pipe called Misery in 2016 and has others in the works.

This includes greenfield kimberlite indicator mineral testing, alluvial diamond mineral resource... →

Haggerty says a rule of sixes applies: Of the more than 6000 known kimberlite pipes in the world, about 600 contain diamonds.

Although many kimberlite eruptions took place relatively recently, the diamonds themselves are ancient: typically about 3 billion years old.

Deep, deep diamonds Scientists investigated six diamonds from the Juina kimberlite field in Brazil.

Optical photomicrograph of a sulfide - inclusion - bearing rough diamond from the Orapa kimberlite, Botswana.

Rubidium is the second most reactive metal and is A minimum age for the premier kimberlite pipe yielded by biotite Rb Sr measurements, with related galena isotopic data ☆

Phlogopite K — Ca dating of Narayanpet kimberlites, south India: Implications to the discordance between their Rb — Sr and Ar / Ar ages According to the travel dating website, the sexiest nation in the world for men is - unsurprisingly - our World Cup hosts Brazil, but women

Being an old Kimberlite with friends in the catering business, Diggies seemed to be a quaint little place to stay while I toured the city with my girlfriend.

Haggerty suspects that the plant has adapted to kimberlite soils, which are rich in magnesium, potassium, and phosphorus.

Those eruptions leave behind tubular deposits, called kimberlites, which are the ultimate source of most of Earth's diamonds.

«The discovery of kimberlites in Antarctica extends the vast Gondwanan Cretaceous province» by Gregory Yaxley et al published in Nature Communications on Tuesday 17 December.

Kimberlite pipes bring the gems to the surface in eruptions that sometimes rise faster than the speed of sound.

It was known that kimberlite, which often contains diamonds, can rise more quickly near the surface, but its speed at great depths was unclear.

He wants to continue analyzing the plant and the kimberlite soil to see exactly how nutrients are exchanged.

Kimberlite mines tend to be narrow and vertical, with much smaller footprints than, say, open - pit copper mines, and their effluent — ground - up kimberlite — is benign.

Haggerty has confirmed the presence of the plant at another kimberlite pipe 50 kilometers to the southeast, but it does not seem to grow elsewhere.

West Africa has many «artisanal» operations in which people sift through river sediments for the occasional diamond eroded from a kimberlite pipe upstream.

To date 150 kimberlites have been discovered on the property

Temporal, geomagnetic and related attributes of kimberlite magmatism at Ekati, Northwest Territories, Canada This paper reviews key characteristics of kimberlites on the Ekati property, NWT, Canada.