Annual Report 2008 - Office National des Hydrocarbures et des Mines
Annual Report 2008 - Office National des Hydrocarbures et des Mines
Annual Report 2008 - Office National des Hydrocarbures et des Mines
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These assays correspond to 11 934 samples<br />
and concentrated on the following :<br />
• Gold analysis by humid and dry m<strong>et</strong>hod ;<br />
• Multi-elementary analysis : Ag, As, Ba, Be,<br />
Bi, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn,<br />
Mo, Na, Nb, Ni, Pb, Sb, Sr, V, Y, Zn ;<br />
• Analysis of rare earth elements : La, Ce, Sm,<br />
Eu, Gd, Tb, Dy, Ho, Er, Yb, Lu, Tm ;<br />
• Precious m<strong>et</strong>als analysis : Pt, Pd, Ir ;<br />
38<br />
DISTRIBUTION OF ACHIEVEMENTS<br />
<strong>Office</strong> <strong>National</strong> <strong>des</strong> <strong>Hydrocarbures</strong> <strong>et</strong> <strong>des</strong> <strong>Mines</strong><br />
• Major elements analysis : SiO 2 , Al 2 O 3 , CaO,<br />
MgO, Na 2 O, K 2 O, Fe 2 O 3 , FeO, MnO, TiO 2 ,<br />
P 2 O 5 and fire loss ;<br />
• Analysis by conventional m<strong>et</strong>hods of high<br />
gra<strong>des</strong> in Cu, Pb, Zn, Fe, CaCO 3 , BaSO 4 ,<br />
SrSO 4 , CaF 2 , MnO 2 , MnO, total Mn, ferric<br />
iron, carbonates, sulfur, sulfates, Chlori<strong>des</strong>,<br />
w<strong>et</strong>ness and salt insolubles, real density of<br />
powder samples ;<br />
• Other analyses : Th, U, La, Ta, Sn, W.<br />
Worksite Number of samples Number of ore grade assays<br />
ONHYM worksite 10 701 194 528<br />
Subsidiaries and third parties 1 233 5 252<br />
Total 11 934 199 780
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