Dark Domains (elevated Na and Al)
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Plagioclase Ternary Diagram Anorthite 0102030405060708090100 Orthoclase 0 10 20 30 40 50 60 70 80 90 100 Albite 0 10 20 30 40 50 60 70 80 90 100 MAT 8 MAT 3
description
Bright Domains (lower Na and Al). Dark Domains (elevated Na and Al). Eclogites. Granulites & Inclusions in Basalts. Igneous Rocks. Aok and Shiba, 1973, Lithos, 6, p.41-51. SYMPLECTITE. COARSE-GRAINED CPX. RECRYSTALLIZED SYMPLECTITE. Mat 8. - PowerPoint PPT Presentation
Transcript of Dark Domains (elevated Na and Al)
Plagioclase Ternary Diagram
Anorthite0 10 20 30 40 50 60 70 80 90 100
Orthoclase
0
10
20
30
40
50
60
70
80
90
100
Albite
0
10
20
30
40
50
60
70
80
90
100
MAT 8MAT 3
Pyroxene Ternary Diagram
Ferrosilite0 10 20 30 40 50 60 70 80 90 100
Wollastonite
0
10
20
30
40
50
60
70
80
90
100
Enstatite
0
10
20
30
40
50
60
70
80
90
100
MAT 8MAT 3
Dark Domains(elevated Na and Al)
Bright Domains(lower Na and Al)
Relative Proportions of Alvi with Aliv of the Clinopyroxenes
Al iv
0.0 0.1 0.2 0.3 0.4
Al vi
0.0
0.1
0.2
0.3
0.4
0.5
MAT 8MAT 3
Igneous Rocks
Granulites & Inclusions in Basalts
Eclogites
Aok and Shiba, 1973, Lithos, 6, p.41-51
Garnet Ternary Diagram
Spessartine0 10 20 30 40 50 60 70 80 90 100
Grossular
0
10
20
30
40
50
60
70
80
90
100
Almandine
0
10
20
30
40
50
60
70
80
90
100
MAT 8MAT 3
Mat 8SYMPLECTITE
RECRYSTALLIZED SYMPLECTITE
COARSE-GRAINEDCPX
Cpx from each of the three areas were analyzed (symplectite,recrystallized, and coarsegrained). BEI images and analyses spots are below.
symplectite
AMPH + CPX + PLAG
GARNET
ILMENITE
12
AMPHIBOLE3
4
5
6
7
2077
8
9
1011
12
13
2079 (higher mag of a grain from bei2077)
12
3
45
6
1
2
3
4
5
6
7
BEI2081 SPOT 6 FROM PPT SLIDE 1
BEI2083 SPOT 5 FROM PPT SLIDE 1
1
2
3
45
Recrystallized symplectite
2084
1
2
3
4
5
6
Coarse cpx
1
2085
2
3
4
5
6
7
8
9
1011
12
c2
1
2
3
4
Garnet
Clinopyroxene + Plagioclase
Ilmenite
Amphibole
2086
12
Garnet
Amphibole
Clinopyroxene
3
2087
MAT 3
• This is the granoblastic cpx
2088
1
2
3
4
6
7
8
9
10
