East Malartic Porphyry Swarm zone on 22 level

                                   PORPHYRY SWARM ZONE – 22 LEVEL ( investigated in 1977-78)

22-66 DRILL  INTERSECTIONS                       all values in oz / t

                                  Flat holes

 VG                                   VG,VG                           VG,VG        VG                                                                                                             

.48 – 1.25 -  .11 -  .23 – .20 – .18 – .19 – 16.13 – .31 – .13 – .25 – .11 -   

   VG,VG                                                            VG

  .17 – .08 – .07 – .04 – .10 – .25 – .03 – .17 – .10 –                                                                                                  

.08 - .07 – .02 – 1.11- .08 – .08- .08 – .07 – .07 – .29 –

VG    VG,VG,VG   VG

.49 – 2.10 – 1.74 – .10 – .13 – .12 – .09 – .10

Average uncut = 0.702

                                   Up holes

                                                                 VG                                                                                          

2.48– 2.35 – .07- .08 – .08 – .15 – .12 – .10 – .08 – .11 – .05 – .09  

                        VG                                VG                  VG

– .09 – .38 – .16 – .09 – .07 – .05  – .17 – .10 --.21 – .07 – .09 – .09

Average uncut = 0.297

                                 Down holes

                                                              VG,VG,VG                                        VG                                VG        

.16 – .12 – .05 – .05 – .08 –  .71       - .05 – .04 – .01 – .41 – .03 – .03 – .25 –

          VG,VG

.01 – 4.03 – .01 – .02 – 1.74    – .02 - .10

                               VG                                                      VG                                            VG,VG,VG

– .02 - .10 -1.17 – .50 – .17 – .14 – .28 – 2.58 – .10 – .12 – .09 –  1.50    - .08

Average uncut = 0.472


Average chemical composition of 4 samples (Kerrich, 1983)

                       %
SiO2            65.83
TiO2             0.5
Al2O3         15.16
Fe2O3           3.17
MgO             1.16
CaO              2.91
K2O             1.41
Na2O           7.07
P2O3            0.2


                         ppm
Au                   0.16
Cr                    29
Ni                    15
Sr                 1108
Ba                1372
Zn                    42
Cu                    12
Rb                    29
Y                       8
Zr                   209
Nb                    13