M
F
Bt
to Kfs
Cld
Chl
M
F
F
Bt
St
Cld
Chl
M
F
St
Cld
Chl
M
F
J
+Ms
+Qz
St
Chl
Grt
M
F
Bt
St
Grt
+Ms
+Qz
St
Grt
M
F
Kfs
Sil
A
M
F
Bt
Bt
Grt
M
F
Bt
A
R
Kfs
Sil
to Kfs
A
F
+Kfs
+Qz
Crd
Opx
Bt
Chl
Grt
M
F
Grt
M
F
Kfs
Ky
+Ms
+Qz
St
Cld
Chl
Grt
M
F
Bt
K
A
to Kfs
Kfs
Ky
+Ms
+Qz
St
Chl
Grt
M
F
Bt
L
A
O
A
Kfs
Ky
+Ms
+Qz
St
Chl
Grt
M
F
Bt
to Kfs
Kfs
Sil
+Ms
+Qz
St
Grt
M
F
P
A
Kfs
Sil
+Ms
+Qz
Grt
M
F
Bt
A
S
to Kfs
Sil
+Kfs
+Qz
Crd
Grt
F
Bt
M
Sil
A
T
+Kfs
+Qz
Crd
Grt
F
Bt
M
to Kfs
Sil
Grt
+Ms
+Qz
Crd
Bt
U
Cld
H
A
to Kfs
Ms + Qtz
As + Kfs
Crd
Phl + Ms
MgCrd + Kfs
Q
+Ms
+Qz
+Ms
+Qz
St
to Kfs
Kfs
Sil
A
Kfs
Ky
to Kfs
Bt
to Kfs
M
F
to Kfs
FeSt
Alm + As
N
+Ms
+Qz
Ky
Sil
MgChl + Ms
Phl + As
M
G
A
to Kfs
Kfs
Ky
A
Chl
to Kfs
Ky
A
+Ms
+Qz
Cld
to Kfs
Bt
to Kfs
Phl + Sil
MgCrd + Ms
+Ms
+Qz
A
Kfs
Ky
Bt
to Kfs
Grt + Chl + Ms
St + Bt
+Ms
+Qz
Cld
Grt + St + Chl
FeCld + Ms
Alm + FeSt
Kfs
Ky
Grt
Bt
to Kfs
Bt
Ann
Opx + Kfs
Kfs
Ky
A
to Kfs
I
M
F
to Kfs
Bt
A
Chl
St + Chl + Ms
Ky + Bt
St
Cld
D
St + Ms
Grt + Bt + As
+Ms
+Qz
+Ms
+Qz
Bt + Sil
Grt + Crd + Kfs
E
Kfs
Ky
A
Cld + Ky
St + Chl
FeCld + Ky
FeSt
to Kfs
Kfs
Ky
Tlc + Kfs
Plh
Chl
C
A
Cld + Bt
Grt + Chl
Cld
FeChl + Ms
Ann + FeCld
+Ms
+Qz
FeCld + Ann
Alm + Ms
M
F
B
Kfs
Prl
A
Prl
Ky + Qtz + H2O
Chl
FeChl + Prl
FeCld
A
+Ms
+Qz
FeChl + Kfs
Ann + Ms
A
Kfs
Prl
M
AFM sequence for medium-pressure metapelitic rocks.
Remember always to look for quartz and either
muscovite or K-feldspar!!
modified from Spear, 1993