The University Museum
The University of Tokyo

Bulletin No.9

PETROLOGICAL STUDY OF THE SAMBAGAWA METAMORPHIC ROCKS

The Kanto Mountains, Central Japan

Mitsuhiro TORIUMI

1975 TOKYO

Abstract (Russian)

Abstract (English)

Acknowledgment

I. Introduction

II. Geology

i) Introduction

ii) Stratigraphy

iii) Stratigraphical relation

iv) Conclusion

v) Geological Structure

vi) Volcanic Rocks

III. Petrography

i) Zonal Classification

ii) Mineral Facies

iii) Chemical Equilibria

IV. Mineralogy

i) Introduction

ii) Albite

iii) Amphiboles

	a) Calciferous Amphiboles
	b) Alkali Amphibole

iv) Epidote

v) Garnet

vi) Chlorite

vii) Alkali Pyroxene

viii) Subsolidus Phase Relation of Ampbiboles at the low Temperature Condition

ix) Solubility of Ts-Content in Amphibole at low Temperature

V. Internal Texture of Rocks

i) Introduction

ii) Albite Porphyroblast

iii) Albite in Calcic Bands

iv) Flow Texture

v) Block Movement in Zones I and IIa Rocks

vi) Discussion

VI. Conclusion

i) Metamorphism

	a) Deformation related to Recrystallization
	b) Thermal History of Metamorphism
	c) Age of Sambagawa Metamorphism

ii) Genesis of the Sambagawa Metamorphic Terrane

VII. Appendix

References

Mitsuhiro TORIUMI: Department of Petrology and Mineral Deopsits, The University Museum, The University of Tokyo

Index page

Bulletin No.9

PETROLOGICAL STUDY OF THE SAMBAGAWA METAMORPHIC ROCKS

The Kanto Mountains, Central Japan

Mitsuhiro TORIUMI

1975 TOKYO

CONTENTS