petrology of ultramafic and related rocks along iraqi zagros thrust zone

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diopside + hedenbergite ternary diagram. Green solid squares indicate core compositions, yellow solid squares indicate transitional zone compositions, and brown solid square indicates rim compositions. ------------90 Figure 6 – 12: Compositions of amphiboles in Mlakawa albitite ploted on an isopleth of Al 2 O 3 and TiO 2 diagram of clacic amphibole (after Ernst and Liu, 1998). P- pressure; T-temperature. ---------------------------------------------------------91 Figure 6 – 13: Field of the approximate stability ranges of Type II and Type III metamorphic titanite in Mlakawa albitite. Stability fields of Ti-phases after Liu et al. (1996). -----------------------------------------------------------------------------------------------92 Figure 6 – 14: (A) Chondrite-normalized rare earth element (REE) diagram for Mlakawa albitite. (B) Normal-type midocean ridge basalt (N-MORB)-normalized REE diagram after Sun and Mc Donough (1989) for Mlakawa albitite. -------------------------------------------------------------------------93 Figure 6 – 15: Whole rock chemical compositions of Mlakawa albitite plotted on a CNK (CaO-Na 2 O-K 2 O) classification diagram (after Glikson, 1979). ------------------94 Figure 6 – 16: Normative compositions of Mlakawa albitite plotted on Ab-An-Or (albite-anorthite-orthoclase) classification diagram (after Barker, 1979). -----------------------------------------------95 Figure 6 – 17: Whole rock chemical compositions of Mlakawa albitite. A- Plotted on a molar A/CNK [Al 2 O 3 / (CaO + Na 2 O + K 2 O)] vs. A/NK diagram (after Shand, 1943). B- Plotted on a molar A/CNK vs. SiO 2 /Al 2 O 3 diagram (after Sarvothaman, 1993). -----------------------------------------------------96 Figure 6 – 18: Whole rock chemical compositions of Mlakawa albitite plotted on K 2 O wt% vs. SiO 2 wt% binary diagram; field boundary after Coleman and Peterman (1975). -----------------------------------------------------------------------------------------------97 X
Figure 6 – 19: Time-paragenesis, albitization, serpentinization, and rodingitization scenario diagram.P/T- pressuretemperature. ----------------------------------------------------------------------------------98 XI
Page 1 and 2: PETROLOGY OF ULTRAMAFIC AND RELATED
Page 3 and 4: We certify that we read this thesis
Page 5 and 6: ABSTRACT Four main ultramafic rock
Page 7 and 8: CONTENTS Chapter 1: Background, Aim
Page 9 and 10: Chapter 7: Conclusions and Recommen
Page 11 and 12: Figure 3 - 10: Field photograph of
Page 13: albite - tremolite zone, E = albite
Page 17 and 18: Table 6 - 2: Representative microna
Page 19 and 20: 1 BACKGROUND 1-1 Ultramafic rocks U
Page 21 and 22: ocks of the belt. These attributes
Page 23 and 24: 1-1-3 Metamorphism of ultramafics M
Page 25 and 26: Reaction 1: Isochemical serpentiniz
Page 27 and 28: 1-2-2 Jadeitites Jadeitite is compo
Page 29 and 30: In combining the new data on the se
Page 31 and 32: 2-1 Regional geology The Iraq Zagro
Page 33 and 34: 2-1-1 Geology of Penjwin area 2-1-1
Page 35 and 36: of Luta-Rash. Volcanic rocks are ex
Page 37 and 38: and a sandstone unit of the Paleoce
Page 39: Fig. 2-1: Tectonic subdivision of I
Page 42 and 43: Fig. 2-4: Field photograph of Gimo
Page 45 and 46: Chapter 3 Petrology of ultramafic r
Page 47 and 48: 3-1-2 Harzburgite Harzburgite is th
Page 49 and 50: 3-1-6 Serpentinite Two types of ser
Page 51 and 52: small amount of ilmenite. Hornblend
Page 53: In places, it is surrounded by fine
Page 62 and 63: 4 Mineralogy and mineral chemistry
Page 64 and 65:
compositions with Mg-number ranging
Page 66 and 67:
4-3-4 Hydrous phases Hydrous phases
Page 68 and 69:
Fig 4 -3: Compositions of chromian
Page 70 and 71:
Fig 4 -6: Compositions of chromian
Page 72 and 73:
Chapter 5 Discussions 55
Page 74 and 75:
the tectonite region of the graph (
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involves loss and gain of CaO, SiO
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Fig. 5 - 1: Chromian spinel composi
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Fig. 5-3: Cr-number in spinel vs. F
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Chapter 6 Related rock 65
Page 84 and 85:
plagioclase (Figs. 6 - 2 G,H) and z
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Plagioclase and ilmenite are the or
Page 88 and 89:
2 CaAl 2 Si 2 O 8 (anorthite) + Na
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apatite grains, characterized by bl
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the rim. Estimated pressure - tempe
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16 clinozoisite + H 2 O. (16) From
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metamorphism. It was also formed du
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Fig. 6 - 2: Photomicrographs and im
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Fig. 6 - 4: Backscattered electron
Page 102 and 103:
Fig. 6 - 7: Line scan profile acros
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Fig. 6 - 9: Line scan profile of pa
Page 106 and 107:
Fig. 6 - 11: (A) Backscatter electr
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Fig. 6 - 13: Field of the approxima
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Fig. 6 - 15: Whole rock chemical co
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Fig. 6 - 17: Whole rock chemical co
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Fig. 6 - 19: Time-paragenesis, albi
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1 Conclusions 1. The Iraqi Zagros T
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2 Recommendations for further works
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Arai, S., 1987. An estimation of th
Page 122 and 123:
Chakhmouradian, A.R., Reguir, E.P.,
Page 124 and 125:
Evans, B.W., Frost, B.R., 1975. Chr
Page 126 and 127:
Kamenetsky, V., Crawford, A. J., an
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Morand, V.J., 1990. High chromium a
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Watson, E.B., Wark, D. A. and Thoma
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Table 4 - 1: Representative microna
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Table 4 -11: Representative microna
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Table 4 -13: Representative microna
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Research public activity Peer-revie
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petrology of ultramafic and related rocks along iraqi zagros thrust zone

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