Author

Ryuji Kitagawa

Observed names: Kitagawa, Ryuji, R. Kitagawa, RYUJI KITAGAWA, Ryuji KITAGAWA

Observed institutions: Hiroshima University, Okayama University, Japan Society of Civil Engineers

OpenAlex ID: A5016830837

Chemical and Morphological Evidence for the Conversion of Smectite to Illite

1987 · Atsuyuki Inoue, Norihiko Kohyama, et al. · Clays and Clay Minerals · 177

Textural and geochemical characteristics of the Ajali Sandstone, Anambra Basin, SE Nigeria: Implication for its provenance

2010 · Moshood Niyi Tijani, Matthew Essien Nton, et al. · Comptes Rendus Géoscience · 64

Morphological characteristics of illitic clay minerals from a hydrothermal system

1994 · Atsuyuki Inoue, Ryuji Kitagawa · American Mineralogist · 61

Genesis of the Tirschenreuth kaolin deposit in Germany compared with the Kohdachi kaolin deposit in Japan

1991 · R. Kitagawa, H. M. Köster · Clay Minerals · 26

Morphological Transformation of Kaolin Minerals From Granite Saprolite in the Western Part of Cameroon

1996 · Wouatong Armand, Ryuji Kitagawa, et al. · Clay science/Clay Science · 17

XRD and HRTEM analyses of stacking structures in sudoite, di-trioctahedral chlorite

2007 · J. Kameda, R. Miyawaki, et al. · American Mineralogist · 16

Clay Veins and Clay Minerals in the Granitic Rocks in Hiroshima and Shimane Prefectures, Southwest Japan : Effect of the hydrothermal activities on the decomposition of the granitic rocks

2014 · Ryuji Kitagawa · Institutional Repositories DataBase (IRDB) · 15

Types of Pyrophyllite Deposits in Foldbelts

2005 · Irina Sinyakovskaya, Victor Zaykov, et al. · Resource Geology · 13

PDF

Hematite in pyrophyllite ore deposits, Shobara district, southwestern Japan

2000 · M. Ohkawa, Y. Yamashita, et al. · Mineralogy and Petrology · 12

Surface microtopography of sudoite

2003 · M. Jige, R. Kitagawa, et al. · Clay Minerals · 11

Microtopography of Regularly-Interstratified Mica and Smectite

1992 · Ryuji Kitagawa, Toshihiko Matsuda · Clays and Clay Minerals · 11

K-Ar Ages of Pyrophyllite ("Roseki") Deposits in the Chugoku District, Southwest Japan

1988 · Ryuji Kitagawa, Hirotsugu Nishido, et al. · Kōzan chishitsu · 9

Surface microtopographies of sericite crystals formed in different environmental conditions.

1983 · Ryuji KITAGAWA, Setsuo TAKENO, et al. · Mineralogical Journal · 9

PDF

Elemental behaviour during the process of corrosion of sekishu glazed roof-tiles affected by Lecidea s.lat. sp. (crustose lichen)

2006 · K. Watanabe, H. Ohfuji, et al. · Clay Minerals · 8

Surface microtopography of rectorite (allevardite) from Allevard, France

1997 · R. Kitagawa · Clay Minerals · 8

Orientation Analysis and Formation Ages of Fractures Filled with Clay Minerals (Clay Veins) in Hiroshima and Shimane Prefectures, Southwest Japan.

1994 · Ryuji KITAGAWA, Hirotsugu NISHIDO · Journal of the Japan Society of Engineering Geology · 7

PDF

K-Ar ages of mica clay minerals in clay veins found in granitic and rhyolitic rocks of Hiroshima prefecture,Japan.

1981 · RYUJI KITAGAWA, SATORU KAKITANI · The Journal of the Japanese Association of Mineralogists Petrologists and Economic Geologists · 7

PDF

Nanoscale pseudobrookite layer in the surface glaze of a Japanese sekishu roof tile

2009 · K. Watanabe, H. Ohfuji, et al. · Clay Minerals · 6

Chlorite in Metabasites from the Mikabu and North Chichibu Belts, Southwest Japan

2005 · Masaaki Miyahara, Ryuji Kitagawa, et al. · Clays and Clay Minerals · 5

Shear Structure of Sliding Surface and Landslide Process of Noda Landslide developed in the Triassic Stratum Area, Okayama Prefecture, Japan.

2001 · Motoi INOUE, Takuya YAMADA, et al. · Journal of the Japan Society of Engineering Geology · 5

PDF

Surface Microtopography of Illite Crystals From Different Modes of Occurrence

1998 · Ryuji Kitagawa · The Canadian Mineralogist · 5

Field Investigation of Weathering in Hiroshima Granite

1998 · Takayuki Hattori, Ryuji Kitagawa, et al. · Doboku Gakkai Ronbunshu · 4

PDF

Surface microtopographies of pyrophyllite from the Shokozan Area, Chugoku Province, Southwest Japan.

1992 · Ryuji Kitagawa · Clay science/Clay Science · 4

Mode of Occurrence and Mineralogy of Clay Veins in Granitic Rocks with Special Reference to the Genesis of Clay Minerals in Them

1978 · Ryuji Kitagawa, Satoru Kakitani · Journal of the Mineralogical Society of Japan · 4

PDF

Kaolinization of Saprolite Developed on Pan African Granite of Batie District, West Province of Cameroon

2005 · Wouatong Armand Sylvain Ludovic, Ryuji Kitagawa, et al. · Clay science/Clay Science · 3

Works count: 102

Citation count: 557

H-index: 11

I10-index: 11