fo-an-q_54-36-10.v3

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An
QzEnFo
1553
o
1713
o
1890
o
1
8
0
0
1
7
0
0
1700
1
6
0
0
1600
1
5
0
0
150
0
1500
1
4
0
0
1400
Qz
Q
z
A
n
EnFo
A
n
F
o
forsterite
+ enstatite
forsterite
+ liquid
forsterite
+ liquid
a
n
o
rth
ite
+
liq
u
id
fo
rs
te
ri
te
+
liq
u
id
tridymite
+ liquid
tridymite
+ liquid
trid
ym
ite
+
liq
u
id
a
n
o
rt
h
ite
+
liq
u
id
anorthite
+ liquid
enstatite + tridymite
a
n
o
rth
ite
+
trid
ym
itefo
rs
te
ri
te
+
a
n
o
rt
h
ite
T
T
T
e
n
s
ta
ti
te
+
li
q
u
id
1300
Fo-An-Qz
1 atm.
An
QzEnFo
1553
o
1713
o
1543 (binary
eutectic)
o
1557 (binary
peritectic)
o
1890
o
1270
o
1229
o
ternary
eutectic
ternary
peritectic
cotectic
curve
peritectic
curve
1
8
0
0
1
7
0
0
1700
1
6
0
0
1600
1
5
0
0
150
0
1500
1
4
0
0
1400
Qz
Q
z
A
n
EnFo
A
n
F
o
forsterite
+ enstatite
forsterite
+ liquid
a
n
o
rth
ite
+
liq
u
id
fo
rs
te
ri
te
+
liq
u
id
tridymite
+ liquid
trid
ym
ite
+
liq
u
id
a
n
o
rt
h
ite
+
liq
u
id
enstatite + tridymite
a
n
o
rth
ite
+
trid
ym
itefo
rs
te
ri
te
+
a
n
o
rt
h
ite
T
T
T
An
QzEnFo
P E
forsterite
+ liquid
cristobalite
+ liquid
anorthite
+ liquid
e
n
s
ta
ti
te
+
li
q
u
id
ternary eutectic
anorthite, forsterite,
and cristobalite crystallize
together at point E
ternary peritectic
anorthite, forsterite,
and enstatite crystallize
together at point P
anorthite
forsterite
enstatite
(last liquid
at point P)
anorthite
SiO
enstatite
2
(last liquid
at point E)
Fo-An-Qz
crystallization
1340 (binary
eutectic)
o
1553
o
1368 (binary
eutectic)
o
1713
o
1543 (binary
eutectic)
o
1557
o
(binary
peritectic)
1890
o
anorthite
cristobaliteenstatiteforsterite
An
QzFo
1553
o
1713
o
1890
o
A1
liquid A
24% Fo
19% An
57% Qz
57%
24%
19%
melt
compositions
An
QzEnFo
1553
o
1713
o
1890
o
A1
B1
solid B
31% forsterite
36% anorthite
33% enstatite
<1270
o solid A
19% anorthite
47% cristobalite
34% enstatite
<1229
o
47%
34%
19%
36%
31%
33%
anorthite
cristobaliteenstatiteforsterite
mineral
assemblages
An
QzEnFo
1553
o
1713
o
1890
o
1
8
0
0
1
7
0
0
1700
1600
1
5
0
0
150
0
1500
1
4
0
0
1400
P
A1
B1 C1
A2
B2
liquid A (Fo An Qz )24 19 57
A (> )
A )
E (
1
2
1550
(1300
1229 )
o
o
o
liquid B (Fo An Qz )54 36 10
B (>
B ( )
P (1270 )
1
2
1550 )
1300
o
o
o
liquid C (Fo An Qz )40 40 20
C (>
C ( )
P (1270 )
E
1
2
1550 )
1300
(1229 )
o
o
o
o
solid A
19% anorthite
47% cristobalite
34% enstatite
solid B
31% forsterite
36% anorthite
33% enstatite
<1270
o
solid C
47% anorthite
3% cristobalite
57% enstatite
<1270
o
forsterite
cristobalite
anorthite
e
n
s
ta
ti
tec2
E
An
QzEnFo
1
8
0
0
1
7
0
0
1700
1600
1
5
0
0
150
0
1500
1400
E
P
cristobalite
anorthite
e
n
s
ta
ti
te
T = 1600
liquid
Fo An Qz
o
54 36 10
14
00
100% melt
0% forsterite
0% anorthite
0% enstatite
0% cristobalite
1
6
0
0
forsterite
An
QzEnFo
1
8
0
0
1
7
0
0
1
6
0
0
1700
1600
1
5
0
0
150
0
1500
1400
E
P
forsterite
cristobalite
anorthite
e
n
s
ta
ti
te
T = 1550
liquid
Fo An Qz
o
54 36 10
14
00
99% melt
1% forsterite
0% anorthite
0% enstatite
0% cristobalite
An
QzEnFo
1
8
0
0
1
7
0
0
1
6
0
0
1700
1600
1
5
0
0
150
0
1500
1400
E
P
forsterite
cristobalite
anorthite
e
n
s
ta
ti
te
T = 1500
liquid
Fo An Qz
o
49 40 11
14
00
90% melt
10% forsterite
0% anorthite
0% enstatite
0% cristobalite
An
QzEnFo
1
8
0
0
1
7
0
0
1
6
0
0
1700
1600
1
5
0
0
150
0
1500
1400
E
P
forsterite
cristobalite
anorthite
e
n
s
ta
ti
te
T = 1450
liquid
Fo An Qz
o
42 46 12
14
00
79% melt
21% forsterite
0% anorthite
0% enstatite
0% cristobalite
An
QzEnFo
1
8
0
0
1
7
0
0
1
6
0
0
1700
1600
1
5
0
0
150
0
1500
1400
E
P
forsterite
cristobalite
anorthite
e
n
s
ta
ti
te
T = 1400
liquid
Fo An Qz
o
37 49 14
14
00
73% melt
27% forsterite
0% anorthite
0% enstatite
0% cristobalite
An
QzEnFo
1
8
0
0
1
7
0
0
1
6
0
0
1700
1600
1
5
0
0
150
0
1500
1400
E
forsterite
cristobalite
anorthite
e
n
s
ta
ti
te
T = 1350
liquid
Fo An Qz
o
41 54 15
14
00
67% melt
33% forsterite
0% anorthite
0% enstatite
0% cristobalite
An
QzEnFo
1
8
0
0
1
7
0
0
1
6
0
0
1700
1600
1
5
0
0
150
0
1500
1400
E
P
forsterite
cristobalite
anorthite
e
n
s
ta
ti
te
T = 1300
liquid
Fo An Qz
o
28 57 15
14
00
64% melt
36% forsterite
0% anorthite
0% enstatite
0% cristobalite
An
QzEnFo
1
8
0
0
1
7
0
0
1
6
0
0
1700
1600
1
5
0
0
150
0
1500
1400
E
P
forsterite
cristobalite
anorthite
e
n
s
ta
ti
te
T = 1300
liquid
Fo An Qz
o
28 57 15
14
00
60% melt
38% forsterite
2% anorthite
0% enstatite
0% cristobalite
An
QzEnFo
1
8
0
0
1
7
0
0
1
6
0
0
1700
1600
1
5
0
0
150
0
1500
1400
E
P
forsterite
cristobalite
anorthite
e
n
s
ta
ti
te
T = 1280
liquid
Fo An Qz
o
28 57 15
14
00
54% melt
40% forsterite
6% anorthite
0% enstatite
0% cristobalite
An
QzEnFo
1
8
0
0
1
7
0
0
1
6
0
0
1700
1600
1
5
0
0
1500
14
00
1400
E
P
T = 1270
liquid
Fo An Qz
o
25 55 20
forsterite
cristobalite
anorthite
e
n
s
ta
ti
te
49% melt
42% forsterite
9% anorthite
0% enstatite
0% cristobalite
150
0
An
QzEnFo
1
8
0
0
1
7
0
0
1
6
0
0
1700
1600
1
5
0
0
150
0
1500
14
00
1400
E
P
T = 1269
liquid
gone
o
forsterite
cristobalite
anorthite
e
n
s
ta
ti
te
0% melt
31% forsterite
36% anorthite
33% enstatite
0% cristobalite