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•£’J‘w ’Óc‚Ɛç’n, 1950

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Kurosedani Formation Tsuda and Chiji, 1950

•Ê–¼ (–³Œø): •£’J—Ý‘w, •š–Ø’J“DŠâ•”‘w (‚Ó‚µ‚«‚¾‚É, ¼•”‚Ì“DŠâ)

------ ®‡, ~~~~~~ •s®‡, ~~~--- •”•ª•s®‡, '''/,, ŽwŒð, :::::: ’f‘w, /--/-- Õã’f‘w, +__+__ ’n•\, ?--?-- •s–¾