Sentences with phrase «orapa kimberlite»

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.

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... →

10-24-2001 Kimberlite Sample Yields Significant Diamond Results 09-07-2001 Kimberlite Discovered On Kikerk Lake Property 08-29-2001 Financing Completed and 2nd Quarter Results 07-18-2001 Caledonia Acquires The Strategic Konkola West Prospecting Licence In Zambia [See Map as well] 07-05-2001 Caledonia Mining Corporation Announces the J.V. with Ashton is to Drill the Kikerk Lake Diamond Property 06-12-2001 Caledonia [CAL - TSE; CALVF - Nasdaq] signs option to aquire an interest in platinum and diamond properties 06-06-2001 Caledonia [CAL - TSE; CALVF - Nasdaq] commissions metallurgical test 06-05-2001 Financial goals achieved by Caledonia [CAL - TSE; CALVF - Nasdaq] 04-19-2001 Caledonia announces financing and the cancellation of the Spring Hills Agreements 03-27-2001 News Release Caledonia Mining Corporation March 27, 2001

Ensured by a tiny laser inscription on each stone and a verifiable record of its movements from kimberlite to consumer, the gems distinguish themselves for a quality apart from their beauty.

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

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.

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

Almost all diamonds come from volcanic deposits called kimberlites.

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

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

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.

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.

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

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

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

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

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.

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

To date 150 kimberlites have been discovered on the property

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

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.

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.