Card Sort 1

		SORT
ROCK    	1       2       3       4       5       6       7

1       	1       3       1       1       1       2       1
2       	3       2       2       3       2       2       3
3       	3       2       2       2       2       2       4
4       	3       2       2       3       2       3       2
5       	1       2       1       3       2       2       3
6       	2       1       1       2       2       2       4
7       	1       1       1       1       3       2       5
8       	1       2       1       2       2       2       4
9       	1       3       1       3       1       3       1
10      	1       3       1       3       1       1       1
11      	1       1       1       1       3       2       5
12      	2       3       1       3       1       1       1
13      	1       1       1       1       3       2       5
14      	3       1       2       1       3       2       4
15      	3       3       2       3       1       1       2
16      	1       3       2       3       1       1       1
17      	1       3       1       3       1       2       3
18      	3       3       2       3       2       2       2


Sort 1: grain size      1=coarse, 2=medium, 3=fine

Sort 2: colour          1=melanocratic, 2=mesocratic, 3=leucocratic

Sort 3: emplacement     1=intrusive, 2=extrusive

Sort 4: presence of olivine     1=always, 2=possibly, 3=never

Sort 5: presence of quartz      1=always, 2=possibly, 3=never

Sort 6: percentage of silica    1= >68%, 2= <68%, 3= about 68%

Sort 7: density 1=v.light, 2=light, 3=medium, 4=dense, 5=v.dense


Key to rocks:
1 - adamellite
2 - andesite
3 - basalt
4 - dacite
5 - diorite
6 - dolerite
7 - dunite  
8 - gabbro
9 - granodiorite
10 - granite
11 -  lherzolite
12 - microgranite
13 - peridotite
14 - picrite basalt
15 - rhyodacite
16 - rhyolite
17 - syenite
18 - trachyte