DATA SHEET FOR YOUR FIELD TRIP WRITEUP

                           
  Rosario Head Mt. Erie (Fidalgo ophiolite)
  Pillow Pillow Pillow Gabbro Tonalite Tonalite Tonalite Spilite Tonalite Spilite Keratophyre Diorite Diorite
  BLA94 GDF2 GDF4 F103T F103D 52F2A 52F2C 52F3H 52F7 52F98 52F103D F4 GDF14
SiO2 51.12 50 49.97 50.79 68.58 70.18 65.36 57.05 71.92 59.94 68.58 54.95 54.8
Al2O3 15.03 13.5 13.55 17.73 14.66 13.94 13.68 14.87 14.01 16.35 14.66 15.98 14.5
TiO2 1.32 1.3 1.59 0.58 0.47 0.32 0.33 0.59 0.24 0.62 0.47 0.73 0.51
FeO(total) 9.19 9.10 10.20 8.90 4.61 3.37 5.38 7.11 2.58 7.17 4.61 7.97 7.94
MnO 0.15 0.14 0.18 0.16 0.08 0.05 0.17 0.13 0.02 0.1 0.08 0.14 0.13
CaO 6.66 11.6 9.91 3.48 1.81 4.47 5.55 5.57 2.2 2.6 1.81 7.55 5.4
MgO 6.99 6.7 6.96 8.44 1.77 0.96 4.1 7.52 0.76 4.93 1.77 6.42 8.4
K2O 1.67 0.1 0.99 0.76 0.53 0.49 0.67 1.74 0.13 0.32 0.53 0.41 1.9
Na2O 1.22 3.4 2.62 3.08 4.58 3.39 3.45 2.52 5.09 4.41 4.58 3.12 3.04
P2O5 0.15 0.12 0.14 0.06 0.11 0.084 0.069 0.093 0.045 0.057 0.105 0.066 -
Total 93.50 95.96 96.11 93.98 97.20 97.25 98.76 97.20 97.00 96.50 97.19 97.34 96.62
                           
(elements in ppm):                        
Sr 64   88 172 180 160 220 165 87 138 180 218 172
Y 28   31.5 13 13 9 11 15 9 11 13 18 13
Zr 73   92 45 90 78 67 49 64 41 90 62 54
Ti 7913 7794 9532 3477 2818 1918 1978 3537 1439 3717 2818 4376 3057
                           
Below I've calculated the values appropriate for your charts (but for the triangular plots you'll need to normalize to 100% before you plot!!):
SiO2 51.12 50 49.97 50.79 68.58 70.18 65.36 57.05 71.92 59.94 68.58 54.95 54.8
Na2O+K2O 2.89 3.5 3.61 3.84 5.11 3.88 4.12 4.26 5.22 4.73 5.11 3.53 4.94
                           
FeO 9.19 9.10 10.20 8.90 4.61 3.37 5.38 7.11 2.58 7.17 4.61 7.97 7.94
Na2O+K2O 2.89 3.5 3.61 3.84 5.11 3.88 4.12 4.26 5.22 4.73 5.11 3.53 4.94
MgO 6.99 6.7 6.96 8.44 1.77 0.96 4.1 7.52 0.76 4.93 1.77 6.42 8.4
                           
Ti/100 79 78 95 35 28 19 20 35 14 37 28 44 31
Zr 73 0 92 45 90 78 67 49 64 41 90 62 54
Y*3 84 0 94.5 39 39 27 33 45 27 33 39 54 39
                           
Ti/100 79 78 95 35 28 19 20 35 14 37 28 44 31
Zr 73 0 92 45 90 78 67 49 64 41 90 62 54
Sr/2 32 0 44 86 90 80 110 82.5 43.5 69 90 109 86
                           
  METAMORPHIC MINERALS:             AGES  
Rosario chlorite quartz albite aragonite lawsonite BLUESCHIST FACIES - low T, high P same for both
Mt. Erie chlorite quartz albite calcite prehnite GREENSCHIST FACIES - low to mod. T, low P