Informations Pierres Précieuses et Pierres Gemmes

Total production last year amounted to 842900 tonnes of heavy mineral concentrate ? including ilmenite and zircon ? down from 956900 tonnes produced in 2010. While production was healthily up towards the end of the year ? seeing a 15% year-on-year ...

Sainte-Gemme - Le Temple : 81-21.- Elles commencent la seconde phase sur les chapeaux de roue face au Temple. Florence Fournier Lamothe, Laurence Cabaset, Sandrine Santos, Caroline Rantz, Stéphanie Brouch, Laetitia et Audrey Saint Marc, Audrey Zanette, ...

QEMSCAN2 results confirm a valuable heavy mineral assemblage comprising 14.9% Zircon, 10.2% Rutile, 4.4% Leucoxene and 51% Ilmenite, based on the average of 5 representative composite samples. The QEMSCAN results also indicate a favorable coarse VHM ...

Discriminating rapid exhumation from syndepositional volcanism using detrital zircon double dating: Implications for the tectonic history of the Eastern Cordillera, Colombia Joel E. Saylor et al., Department of Geological Sciences, Jackson School of ...

By Genalyn Corocoto | January 26, 2012 12:39 AM EST A new study by geologists from Curtin University revealed proof of meteorite collisions on the Moon as evidence by the mineral zircon from lunar rock samples recovered during NASA's Apollo missions.

François Gamache, président du CLD de Marguerite-d'Youville et maire de la municipalité de Saint-Amable, a présenté Guy Gemme et Nancy Dalpé, de la Ferme GD de Saint-Amable, à titre de récipiendaires de la bourse de la relève agricole pour la MRC de ...

Ilmenite and zircon production was up by 13 per cent and 12 per cent respectively from the third to the fourth quarter. The company said demand for all its products was robust during 2011 and prices grew strongly. The market price for ilmenite at the ...

Gunson Resources' (ASX: GUN) progress at its Coburn Zircon Project in Western Australia should generate a lot more investor interest with higher zircon prices and a major East Asian group signing a term sheet. A forecast increase in zircon and titanium ...

The study, headed by microstructural geology experts Nick Timms and Steven Reddy, professor, Western Australian School of Mines (WASM), documents the discovery of impact-related shock features in lunar zircon. Timms said they stumbled upon the ...

Research led by Curtin University geologists has uncovered a wealth of new evidence in the mineral zircon from lunar rock samples recovered during NASA's Apollo missions, revealing indisputable proof of meteorite collisions on the Moon.